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nacos.log

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  1. 2020-09-03 00:02:17,127 INFO [capacityManagement] start correct usage
    2. 

  2. 

  3. 2020-09-03 00:02:17,572 INFO [capacityManagement] end correct usage, cost: 0s
    4. 

  4. 

  5. 2020-09-03 00:02:17,906 WARN clearConfigHistory start
    6. 

  6. 

  7. 2020-09-03 00:12:17,574 INFO [capacityManagement] start correct usage
    8. 

  8. 

  9. 2020-09-03 00:12:17,926 INFO [capacityManagement] end correct usage, cost: 0s
    10. 

  10. 

  11. 2020-09-03 00:12:18,005 WARN clearConfigHistory start
    12. 

  12. 

  13. 2020-09-03 00:22:17,928 INFO [capacityManagement] start correct usage
    14. 

  14. 

  15. 2020-09-03 00:22:18,097 WARN clearConfigHistory start
    16. 

  16. 

  17. 2020-09-03 00:22:18,182 INFO [capacityManagement] end correct usage, cost: 0s
    18. 

  18. 

  19. 2020-09-03 00:32:18,183 INFO [capacityManagement] start correct usage
    20. 

  20. 

  21. 2020-09-03 00:32:18,271 WARN clearConfigHistory start
    22. 

  22. 

  23. 2020-09-03 00:32:18,359 INFO [capacityManagement] end correct usage, cost: 0s
    24. 

  24. 

  25. 2020-09-03 00:42:18,360 INFO [capacityManagement] start correct usage
    26. 

  26. 

  27. 2020-09-03 00:42:18,438 WARN clearConfigHistory start
    28. 

  28. 

  29. 2020-09-03 00:42:18,585 INFO [capacityManagement] end correct usage, cost: 0s
    30. 

  30. 

  31. 2020-09-03 00:52:18,585 INFO [capacityManagement] start correct usage
    32. 

  32. 

  33. 2020-09-03 00:52:18,663 WARN clearConfigHistory start
    34. 

  34. 

  35. 2020-09-03 00:52:18,957 INFO [capacityManagement] end correct usage, cost: 0s
    36. 

  36. 

  37. 2020-09-03 01:02:18,930 WARN clearConfigHistory start
    38. 

  38. 

  39. 2020-09-03 01:02:18,960 INFO [capacityManagement] start correct usage
    40. 

  40. 

  41. 2020-09-03 01:02:19,344 INFO [capacityManagement] end correct usage, cost: 0s
    42. 

  42. 

  43. 2020-09-03 01:12:19,227 WARN clearConfigHistory start
    44. 

  44. 

  45. 2020-09-03 01:12:19,345 INFO [capacityManagement] start correct usage
    46. 

  46. 

  47. 2020-09-03 01:12:19,739 INFO [capacityManagement] end correct usage, cost: 0s
    48. 

  48. 

  49. 2020-09-03 01:22:19,523 WARN clearConfigHistory start
    50. 

  50. 

  51. 2020-09-03 01:22:19,741 INFO [capacityManagement] start correct usage
    52. 

  52. 

  53. 2020-09-03 01:22:20,001 INFO [capacityManagement] end correct usage, cost: 0s
    54. 

  54. 

  55. 2020-09-03 01:32:04,858 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@5054c278 (Communications link failure
    56. 

  56. 

  57. The last packet successfully received from the server was 14,808 milliseconds ago.  The last packet sent successfully to the server was 14,885 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    58. 

  58. 

  59. 2020-09-03 01:32:04,863 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@7ea75f70 (Communications link failure
    60. 

  60. 

  61. The last packet successfully received from the server was 5,630 milliseconds ago.  The last packet sent successfully to the server was 5,726 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    62. 

  62. 

  63. 2020-09-03 01:32:04,870 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@22bb936c (Communications link failure
    64. 

  64. 

  65. The last packet successfully received from the server was 745,741 milliseconds ago.  The last packet sent successfully to the server was 745,810 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    66. 

  66. 

  67. 2020-09-03 01:32:04,875 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@548ad241 (Communications link failure
    68. 

  68. 

  69. The last packet successfully received from the server was 743,629 milliseconds ago.  The last packet sent successfully to the server was 743,684 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    70. 

  70. 

  71. 2020-09-03 01:32:04,881 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1464812e (Communications link failure
    72. 

  72. 

  73. The last packet successfully received from the server was 740,911 milliseconds ago.  The last packet sent successfully to the server was 740,996 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    74. 

  74. 

  75. 2020-09-03 01:32:04,886 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@50fc100d (Communications link failure
    76. 

  76. 

  77. The last packet successfully received from the server was 740,052 milliseconds ago.  The last packet sent successfully to the server was 740,136 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    78. 

  78. 

  79. 2020-09-03 01:32:04,894 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@2e22c98d (Communications link failure
    80. 

  80. 

  81. The last packet successfully received from the server was 716,849 milliseconds ago.  The last packet sent successfully to the server was 716,902 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    82. 

  82. 

  83. 2020-09-03 01:32:04,898 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@2c381ed2 (Communications link failure
    84. 

  84. 

  85. The last packet successfully received from the server was 712,958 milliseconds ago.  The last packet sent successfully to the server was 713,042 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    86. 

  86. 

  87. 2020-09-03 01:32:04,901 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1ce5978a (Communications link failure
    88. 

  88. 

  89. The last packet successfully received from the server was 709,573 milliseconds ago.  The last packet sent successfully to the server was 709,639 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    90. 

  90. 

  91. 2020-09-03 01:32:04,905 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@2c299063 (Communications link failure
    92. 

  92. 

  93. The last packet successfully received from the server was 709,058 milliseconds ago.  The last packet sent successfully to the server was 709,122 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    94. 

  94. 

  95. 2020-09-03 01:32:04,910 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@14ff4aca (Communications link failure
    96. 

  96. 

  97. The last packet successfully received from the server was 702,240 milliseconds ago.  The last packet sent successfully to the server was 702,296 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    98. 

  98. 

  99. 2020-09-03 01:32:04,911 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@785d0809 (Communications link failure
    100. 

  100. 

  101. The last packet successfully received from the server was 701,632 milliseconds ago.  The last packet sent successfully to the server was 701,700 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    102. 

  102. 

  103. 2020-09-03 01:32:04,912 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4834994f (Communications link failure
    104. 

  104. 

  105. The last packet successfully received from the server was 699,365 milliseconds ago.  The last packet sent successfully to the server was 699,450 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    106. 

  106. 

  107. 2020-09-03 01:32:04,913 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@287eb2a2 (Communications link failure
    108. 

  108. 

  109. The last packet successfully received from the server was 686,923 milliseconds ago.  The last packet sent successfully to the server was 686,997 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    110. 

  110. 

  111. 2020-09-03 01:32:04,914 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4639147d (Communications link failure
    112. 

  112. 

  113. The last packet successfully received from the server was 674,619 milliseconds ago.  The last packet sent successfully to the server was 674,676 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    114. 

  114. 

  115. 2020-09-03 01:32:04,916 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@3aa6448b (Communications link failure
    116. 

  116. 

  117. The last packet successfully received from the server was 674,086 milliseconds ago.  The last packet sent successfully to the server was 674,136 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    118. 

  118. 

  119. 2020-09-03 01:32:04,917 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@67100adf (Communications link failure
    120. 

  120. 

  121. The last packet successfully received from the server was 660,036 milliseconds ago.  The last packet sent successfully to the server was 660,087 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    122. 

  122. 

  123. 2020-09-03 01:32:04,919 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@690460bc (Communications link failure
    124. 

  124. 

  125. The last packet successfully received from the server was 655,331 milliseconds ago.  The last packet sent successfully to the server was 655,416 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    126. 

  126. 

  127. 2020-09-03 01:32:04,920 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1dcb1fb6 (Communications link failure
    128. 

  128. 

  129. The last packet successfully received from the server was 650,115 milliseconds ago.  The last packet sent successfully to the server was 650,197 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    130. 

  130. 

  131. 2020-09-03 01:32:04,921 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@15419298 (Communications link failure
    132. 

  132. 

  133. The last packet successfully received from the server was 632,968 milliseconds ago.  The last packet sent successfully to the server was 633,023 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    134. 

  134. 

  135. 2020-09-03 01:32:19,780 WARN clearConfigHistory start
    136. 

  136. 

  137. 2020-09-03 01:32:20,002 INFO [capacityManagement] start correct usage
    138. 

  138. 

  139. 2020-09-03 01:32:20,130 INFO [capacityManagement] end correct usage, cost: 0s
    140. 

  140. 

  141. 2020-09-03 01:42:19,905 WARN clearConfigHistory start
    142. 

  142. 

  143. 2020-09-03 01:42:20,133 INFO [capacityManagement] start correct usage
    144. 

  144. 

  145. 2020-09-03 01:42:20,466 INFO [capacityManagement] end correct usage, cost: 0s
    146. 

  146. 

  147. 2020-09-03 01:52:20,188 WARN clearConfigHistory start
    148. 

  148. 

  149. 2020-09-03 01:52:20,468 INFO [capacityManagement] start correct usage
    150. 

  150. 

  151. 2020-09-03 01:52:20,813 INFO [capacityManagement] end correct usage, cost: 0s
    152. 

  152. 

  153. 2020-09-03 02:02:20,466 WARN clearConfigHistory start
    154. 

  154. 

  155. 2020-09-03 02:02:20,815 INFO [capacityManagement] start correct usage
    156. 

  156. 

  157. 2020-09-03 02:02:20,944 INFO [capacityManagement] end correct usage, cost: 0s
    158. 

  158. 

  159. 2020-09-03 02:12:20,647 WARN clearConfigHistory start
    160. 

  160. 

  161. 2020-09-03 02:12:20,945 INFO [capacityManagement] start correct usage
    162. 

  162. 

  163. 2020-09-03 02:12:21,230 INFO [capacityManagement] end correct usage, cost: 0s
    164. 

  164. 

  165. 2020-09-03 02:22:21,088 WARN clearConfigHistory start
    166. 

  166. 

  167. 2020-09-03 02:22:21,233 INFO [capacityManagement] start correct usage
    168. 

  168. 

  169. 2020-09-03 02:22:21,551 INFO [capacityManagement] end correct usage, cost: 0s
    170. 

  170. 

  171. 2020-09-03 02:32:21,296 WARN clearConfigHistory start
    172. 

  172. 

  173. 2020-09-03 02:32:21,553 INFO [capacityManagement] start correct usage
    174. 

  174. 

  175. 2020-09-03 02:32:21,677 INFO [capacityManagement] end correct usage, cost: 0s
    176. 

  176. 

  177. 2020-09-03 02:42:21,523 WARN clearConfigHistory start
    178. 

  178. 

  179. 2020-09-03 02:42:21,678 INFO [capacityManagement] start correct usage
    180. 

  180. 

  181. 2020-09-03 02:42:22,137 INFO [capacityManagement] end correct usage, cost: 0s
    182. 

  182. 

  183. 2020-09-03 02:52:21,699 WARN clearConfigHistory start
    184. 

  184. 

  185. 2020-09-03 02:52:22,138 INFO [capacityManagement] start correct usage
    186. 

  186. 

  187. 2020-09-03 02:52:22,614 INFO [capacityManagement] end correct usage, cost: 0s
    188. 

  188. 

  189. 2020-09-03 03:02:21,903 WARN clearConfigHistory start
    190. 

  190. 

  191. 2020-09-03 03:02:22,616 INFO [capacityManagement] start correct usage
    192. 

  192. 

  193. 2020-09-03 03:02:23,068 INFO [capacityManagement] end correct usage, cost: 0s
    194. 

  194. 

  195. 2020-09-03 03:12:22,173 WARN clearConfigHistory start
    196. 

  196. 

  197. 2020-09-03 03:12:23,070 INFO [capacityManagement] start correct usage
    198. 

  198. 

  199. 2020-09-03 03:12:23,511 INFO [capacityManagement] end correct usage, cost: 0s
    200. 

  200. 

  201. 2020-09-03 03:22:22,439 WARN clearConfigHistory start
    202. 

  202. 

  203. 2020-09-03 03:22:23,511 INFO [capacityManagement] start correct usage
    204. 

  204. 

  205. 2020-09-03 03:22:23,973 INFO [capacityManagement] end correct usage, cost: 0s
    206. 

  206. 

  207. 2020-09-03 03:32:22,616 WARN clearConfigHistory start
    208. 

  208. 

  209. 2020-09-03 03:32:23,975 INFO [capacityManagement] start correct usage
    210. 

  210. 

  211. 2020-09-03 03:32:24,272 INFO [capacityManagement] end correct usage, cost: 0s
    212. 

  212. 

  213. 2020-09-03 03:42:22,677 WARN clearConfigHistory start
    214. 

  214. 

  215. 2020-09-03 03:42:24,274 INFO [capacityManagement] start correct usage
    216. 

  216. 

  217. 2020-09-03 03:42:24,669 INFO [capacityManagement] end correct usage, cost: 0s
    218. 

  218. 

  219. 2020-09-03 03:52:22,893 WARN clearConfigHistory start
    220. 

  220. 

  221. 2020-09-03 03:52:24,672 INFO [capacityManagement] start correct usage
    222. 

  222. 

  223. 2020-09-03 03:52:25,037 INFO [capacityManagement] end correct usage, cost: 0s
    224. 

  224. 

  225. 2020-09-03 04:02:23,075 WARN clearConfigHistory start
    226. 

  226. 

  227. 2020-09-03 04:02:25,039 INFO [capacityManagement] start correct usage
    228. 

  228. 

  229. 2020-09-03 04:02:25,282 INFO [capacityManagement] end correct usage, cost: 0s
    230. 

  230. 

  231. 2020-09-03 04:12:23,247 WARN clearConfigHistory start
    232. 

  232. 

  233. 2020-09-03 04:12:25,284 INFO [capacityManagement] start correct usage
    234. 

  234. 

  235. 2020-09-03 04:12:25,655 INFO [capacityManagement] end correct usage, cost: 0s
    236. 

  236. 

  237. 2020-09-03 04:22:23,427 WARN clearConfigHistory start
    238. 

  238. 

  239. 2020-09-03 04:22:25,656 INFO [capacityManagement] start correct usage
    240. 

  240. 

  241. 2020-09-03 04:22:25,944 INFO [capacityManagement] end correct usage, cost: 0s
    242. 

  242. 

  243. 2020-09-03 04:32:23,617 WARN clearConfigHistory start
    244. 

  244. 

  245. 2020-09-03 04:32:25,944 INFO [capacityManagement] start correct usage
    246. 

  246. 

  247. 2020-09-03 04:32:26,290 INFO [capacityManagement] end correct usage, cost: 0s
    248. 

  248. 

  249. 2020-09-03 04:42:23,816 WARN clearConfigHistory start
    250. 

  250. 

  251. 2020-09-03 04:42:26,291 INFO [capacityManagement] start correct usage
    252. 

  252. 

  253. 2020-09-03 04:42:26,628 INFO [capacityManagement] end correct usage, cost: 0s
    254. 

  254. 

  255. 2020-09-03 04:52:24,012 WARN clearConfigHistory start
    256. 

  256. 

  257. 2020-09-03 04:52:26,629 INFO [capacityManagement] start correct usage
    258. 

  258. 

  259. 2020-09-03 04:52:26,881 INFO [capacityManagement] end correct usage, cost: 0s
    260. 

  260. 

  261. 2020-09-03 05:02:24,223 WARN clearConfigHistory start
    262. 

  262. 

  263. 2020-09-03 05:02:26,881 INFO [capacityManagement] start correct usage
    264. 

  264. 

  265. 2020-09-03 05:02:27,278 INFO [capacityManagement] end correct usage, cost: 0s
    266. 

  266. 

  267. 2020-09-03 05:12:24,409 WARN clearConfigHistory start
    268. 

  268. 

  269. 2020-09-03 05:12:27,281 INFO [capacityManagement] start correct usage
    270. 

  270. 

  271. 2020-09-03 05:12:27,580 INFO [capacityManagement] end correct usage, cost: 0s
    272. 

  272. 

  273. 2020-09-03 05:22:24,604 WARN clearConfigHistory start
    274. 

  274. 

  275. 2020-09-03 05:22:27,581 INFO [capacityManagement] start correct usage
    276. 

  276. 

  277. 2020-09-03 05:22:27,899 INFO [capacityManagement] end correct usage, cost: 0s
    278. 

  278. 

  279. 2020-09-03 05:32:24,882 WARN clearConfigHistory start
    280. 

  280. 

  281. 2020-09-03 05:32:27,901 INFO [capacityManagement] start correct usage
    282. 

  282. 

  283. 2020-09-03 05:32:28,362 INFO [capacityManagement] end correct usage, cost: 0s
    284. 

  284. 

  285. 2020-09-03 05:42:25,158 WARN clearConfigHistory start
    286. 

  286. 

  287. 2020-09-03 05:42:28,365 INFO [capacityManagement] start correct usage
    288. 

  288. 

  289. 2020-09-03 05:42:28,621 INFO [capacityManagement] end correct usage, cost: 0s
    290. 

  290. 

  291. 2020-09-03 05:52:25,432 WARN clearConfigHistory start
    292. 

  292. 

  293. 2020-09-03 05:52:28,624 INFO [capacityManagement] start correct usage
    294. 

  294. 

  295. 2020-09-03 05:52:28,940 INFO [capacityManagement] end correct usage, cost: 0s
    296. 

  296. 

  297. 2020-09-03 06:02:25,621 WARN clearConfigHistory start
    298. 

  298. 

  299. 2020-09-03 06:02:28,943 INFO [capacityManagement] start correct usage
    300. 

  300. 

  301. 2020-09-03 06:02:29,311 INFO [capacityManagement] end correct usage, cost: 0s
    302. 

  302. 

  303. 2020-09-03 06:12:25,928 WARN clearConfigHistory start
    304. 

  304. 

  305. 2020-09-03 06:12:29,313 INFO [capacityManagement] start correct usage
    306. 

  306. 

  307. 2020-09-03 06:12:29,653 INFO [capacityManagement] end correct usage, cost: 0s
    308. 

  308. 

  309. 2020-09-03 06:22:26,207 WARN clearConfigHistory start
    310. 

  310. 

  311. 2020-09-03 06:22:29,655 INFO [capacityManagement] start correct usage
    312. 

  312. 

  313. 2020-09-03 06:22:30,103 INFO [capacityManagement] end correct usage, cost: 0s
    314. 

  314. 

  315. 2020-09-03 06:32:26,567 WARN clearConfigHistory start
    316. 

  316. 

  317. 2020-09-03 06:32:30,105 INFO [capacityManagement] start correct usage
    318. 

  318. 

  319. 2020-09-03 06:32:30,485 INFO [capacityManagement] end correct usage, cost: 0s
    320. 

  320. 

  321. 2020-09-03 06:42:26,858 WARN clearConfigHistory start
    322. 

  322. 

  323. 2020-09-03 06:42:30,486 INFO [capacityManagement] start correct usage
    324. 

  324. 

  325. 2020-09-03 06:42:30,980 INFO [capacityManagement] end correct usage, cost: 0s
    326. 

  326. 

  327. 2020-09-03 06:52:27,144 WARN clearConfigHistory start
    328. 

  328. 

  329. 2020-09-03 06:52:30,981 INFO [capacityManagement] start correct usage
    330. 

  330. 

  331. 2020-09-03 06:52:31,267 INFO [capacityManagement] end correct usage, cost: 0s
    332. 

  332. 

  333. 2020-09-03 07:02:27,430 WARN clearConfigHistory start
    334. 

  334. 

  335. 2020-09-03 07:02:31,269 INFO [capacityManagement] start correct usage
    336. 

  336. 

  337. 2020-09-03 07:02:31,523 INFO [capacityManagement] end correct usage, cost: 0s
    338. 

  338. 

  339. 2020-09-03 07:12:27,614 WARN clearConfigHistory start
    340. 

  340. 

  341. 2020-09-03 07:12:31,525 INFO [capacityManagement] start correct usage
    342. 

  342. 

  343. 2020-09-03 07:12:31,768 INFO [capacityManagement] end correct usage, cost: 0s
    344. 

  344. 

  345. 2020-09-03 07:22:27,804 WARN clearConfigHistory start
    346. 

  346. 

  347. 2020-09-03 07:22:31,769 INFO [capacityManagement] start correct usage
    348. 

  348. 

  349. 2020-09-03 07:22:32,018 INFO [capacityManagement] end correct usage, cost: 0s
    350. 

  350. 

  351. 2020-09-03 07:32:28,113 WARN clearConfigHistory start
    352. 

  352. 

  353. 2020-09-03 07:32:32,019 INFO [capacityManagement] start correct usage
    354. 

  354. 

  355. 2020-09-03 07:32:32,210 INFO [capacityManagement] end correct usage, cost: 0s
    356. 

  356. 

  357. 2020-09-03 07:42:28,396 WARN clearConfigHistory start
    358. 

  358. 

  359. 2020-09-03 07:42:32,211 INFO [capacityManagement] start correct usage
    360. 

  360. 

  361. 2020-09-03 07:42:32,563 INFO [capacityManagement] end correct usage, cost: 0s
    362. 

  362. 

  363. 2020-09-03 07:52:28,666 WARN clearConfigHistory start
    364. 

  364. 

  365. 2020-09-03 07:52:32,564 INFO [capacityManagement] start correct usage
    366. 

  366. 

  367. 2020-09-03 07:52:33,022 INFO [capacityManagement] end correct usage, cost: 0s
    368. 

  368. 

  369. 2020-09-03 08:02:28,935 WARN clearConfigHistory start
    370. 

  370. 

  371. 2020-09-03 08:02:33,024 INFO [capacityManagement] start correct usage
    372. 

  372. 

  373. 2020-09-03 08:02:33,290 INFO [capacityManagement] end correct usage, cost: 0s
    374. 

  374. 

  375. 2020-09-03 08:12:29,141 WARN clearConfigHistory start
    376. 

  376. 

  377. 2020-09-03 08:12:33,291 INFO [capacityManagement] start correct usage
    378. 

  378. 

  379. 2020-09-03 08:12:33,686 INFO [capacityManagement] end correct usage, cost: 0s
    380. 

  380. 

  381. 2020-09-03 08:34:24,406 WARN clearConfigHistory start
    382. 

  382. 

  383. 2020-09-03 08:34:25,977 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@9c9016a (Communications link failure
    384. 

  384. 

  385. The last packet successfully received from the server was 1,213,945 milliseconds ago.  The last packet sent successfully to the server was 1,214,041 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    386. 

  386. 

  387. 2020-09-03 08:34:25,977 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4a3db5d (Communications link failure
    388. 

  388. 

  389. The last packet successfully received from the server was 1,193,284 milliseconds ago.  The last packet sent successfully to the server was 1,193,354 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    390. 

  390. 

  391. 2020-09-03 08:34:26,017 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6f21e30c (Communications link failure
    392. 

  392. 

  393. The last packet successfully received from the server was 1,193,605 milliseconds ago.  The last packet sent successfully to the server was 1,193,670 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    394. 

  394. 

  395. 2020-09-03 08:34:26,017 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@44e8b29b (Communications link failure
    396. 

  396. 

  397. The last packet successfully received from the server was 2,235,888 milliseconds ago.  The last packet sent successfully to the server was 2,235,944 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    398. 

  398. 

  399. 2020-09-03 08:34:26,017 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@49285b57 (Communications link failure
    400. 

  400. 

  401. The last packet successfully received from the server was 2,247,769 milliseconds ago.  The last packet sent successfully to the server was 2,247,841 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    402. 

  402. 

  403. 2020-09-03 08:34:26,017 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@762ca735 (Communications link failure
    404. 

  404. 

  405. The last packet successfully received from the server was 2,228,600 milliseconds ago.  The last packet sent successfully to the server was 2,228,667 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    406. 

  406. 

  407. 2020-09-03 08:34:26,018 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1389c045 (Communications link failure
    408. 

  408. 

  409. The last packet successfully received from the server was 2,215,426 milliseconds ago.  The last packet sent successfully to the server was 2,215,517 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    410. 

  410. 

  411. 2020-09-03 08:34:26,018 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@26386ff9 (Communications link failure
    412. 

  412. 

  413. The last packet successfully received from the server was 2,223,875 milliseconds ago.  The last packet sent successfully to the server was 2,223,931 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    414. 

  414. 

  415. 2020-09-03 08:34:26,018 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@674dacf1 (Communications link failure
    416. 

  416. 

  417. The last packet successfully received from the server was 2,216,376 milliseconds ago.  The last packet sent successfully to the server was 2,216,466 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    418. 

  418. 

  419. 2020-09-03 08:34:26,018 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@27f14831 (Communications link failure
    420. 

  420. 

  421. The last packet successfully received from the server was 2,209,605 milliseconds ago.  The last packet sent successfully to the server was 2,209,664 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    422. 

  422. 

  423. 2020-09-03 08:34:26,019 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@a555bf7 (Communications link failure
    424. 

  424. 

  425. The last packet successfully received from the server was 2,202,255 milliseconds ago.  The last packet sent successfully to the server was 2,202,346 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    426. 

  426. 

  427. 2020-09-03 08:34:26,019 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@77aa86a0 (Communications link failure
    428. 

  428. 

  429. The last packet successfully received from the server was 2,203,189 milliseconds ago.  The last packet sent successfully to the server was 2,203,245 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    430. 

  430. 

  431. 2020-09-03 08:34:26,019 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@26ce3323 (Communications link failure
    432. 

  432. 

  433. The last packet successfully received from the server was 2,185,889 milliseconds ago.  The last packet sent successfully to the server was 2,185,981 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    434. 

  434. 

  435. 2020-09-03 08:34:26,019 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@5e39e3c0 (Communications link failure
    436. 

  436. 

  437. The last packet successfully received from the server was 2,176,288 milliseconds ago.  The last packet sent successfully to the server was 2,176,403 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    438. 

  438. 

  439. 2020-09-03 08:34:26,019 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@10b600d3 (Communications link failure
    440. 

  440. 

  441. The last packet successfully received from the server was 2,174,632 milliseconds ago.  The last packet sent successfully to the server was 2,174,733 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    442. 

  442. 

  443. 2020-09-03 08:34:26,019 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@3a5944cf (Communications link failure
    444. 

  444. 

  445. The last packet successfully received from the server was 2,171,730 milliseconds ago.  The last packet sent successfully to the server was 2,171,820 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    446. 

  446. 

  447. 2020-09-03 08:34:26,019 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@5454a964 (Communications link failure
    448. 

  448. 

  449. The last packet successfully received from the server was 2,166,590 milliseconds ago.  The last packet sent successfully to the server was 2,166,680 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    450. 

  450. 

  451. 2020-09-03 08:34:26,022 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@7469f653 (Communications link failure
    452. 

  452. 

  453. The last packet successfully received from the server was 2,145,563 milliseconds ago.  The last packet sent successfully to the server was 2,145,635 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    454. 

  454. 

  455. 2020-09-03 08:34:26,022 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6c7637a9 (Communications link failure
    456. 

  456. 

  457. The last packet successfully received from the server was 2,127,861 milliseconds ago.  The last packet sent successfully to the server was 2,127,930 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    458. 

  458. 

  459. 2020-09-03 08:34:26,023 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4591f141 (Communications link failure
    460. 

  460. 

  461. The last packet successfully received from the server was 2,154,364 milliseconds ago.  The last packet sent successfully to the server was 2,154,449 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    462. 

  462. 

  463. 2020-09-03 08:34:26,589 WARN HikariPool-1 - Thread starvation or clock leap detected (housekeeper delta=20m12s33ms706µs100ns).
    464. 

  464. 

  465. 2020-09-03 08:34:27,410 ERROR clearConfigHistory error : org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 3002ms.
    466. 

  466. 

  467. 2020-09-03 08:34:51,259 ERROR CONSOLE
    468. 

  468. 

  469. org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 3000ms.
    470. 

  470. 	at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:305)
    471. 

  471. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:378)
    472. 

  472. 	at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:137)
    473. 

  473. 	at com.alibaba.nacos.config.server.service.repository.extrnal.ExternalStoragePersistServiceImpl.addConfigInfo(ExternalStoragePersistServiceImpl.java:182)
    474. 

  474. 	at com.alibaba.nacos.config.server.service.repository.extrnal.ExternalStoragePersistServiceImpl.insertOrUpdate(ExternalStoragePersistServiceImpl.java:343)
    475. 

  475. 	at com.alibaba.nacos.config.server.controller.ConfigController.publishConfig(ConfigController.java:162)
    476. 

  476. 	at com.alibaba.nacos.config.server.controller.ConfigController$$FastClassBySpringCGLIB$$dbb89c38.invoke(<generated>)
    477. 

  477. 	at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218)
    478. 

  478. 	at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:749)
    479. 

  479. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)
    480. 

  480. 	at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:88)
    481. 

  481. 	at com.alibaba.nacos.config.server.aspect.RequestLogAspect.logClientRequest(RequestLogAspect.java:105)
    482. 

  482. 	at com.alibaba.nacos.config.server.aspect.RequestLogAspect.interfacePublishSingle(RequestLogAspect.java:73)
    483. 

  483. 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    484. 

  484. 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    485. 

  485. 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    486. 

  486. 	at java.lang.reflect.Method.invoke(Method.java:498)
    487. 

  487. 	at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:644)
    488. 

  488. 	at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:633)
    489. 

  489. 	at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:70)
    490. 

  490. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:175)
    491. 

  491. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:93)
    492. 

  492. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
    493. 

  493. 	at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:688)
    494. 

  494. 	at com.alibaba.nacos.config.server.controller.ConfigController$$EnhancerBySpringCGLIB$$b55a3463.publishConfig(<generated>)
    495. 

  495. 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    496. 

  496. 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    497. 

  497. 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    498. 

  498. 	at java.lang.reflect.Method.invoke(Method.java:498)
    499. 

  499. 	at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:189)
    500. 

  500. 	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
    501. 

  501. 	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)
    502. 

  502. 	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895)
    503. 

  503. 	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:800)
    504. 

  504. 	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
    505. 

  505. 	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)
    506. 

  506. 	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
    507. 

  507. 	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
    508. 

  508. 	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:908)
    509. 

  509. 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:660)
    510. 

  510. 	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
    511. 

  511. 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
    512. 

  512. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
    513. 

  513. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    514. 

  514. 	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
    515. 

  515. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    516. 

  516. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    517. 

  517. 	at org.springframework.web.filter.CorsFilter.doFilterInternal(CorsFilter.java:96)
    518. 

  518. 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    519. 

  519. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    520. 

  520. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    521. 

  521. 	at org.springframework.boot.actuate.web.trace.servlet.HttpTraceFilter.doFilterInternal(HttpTraceFilter.java:90)
    522. 

  522. 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    523. 

  523. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    524. 

  524. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    525. 

  525. 	at com.alibaba.nacos.core.auth.AuthFilter.doFilter(AuthFilter.java:60)
    526. 

  526. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    527. 

  527. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    528. 

  528. 	at com.alibaba.nacos.config.server.filter.NacosWebFilter.doFilter(NacosWebFilter.java:67)
    529. 

  529. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    530. 

  530. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    531. 

  531. 	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:209)
    532. 

  532. 	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:178)
    533. 

  533. 	at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:357)
    534. 

  534. 	at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:270)
    535. 

  535. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    536. 

  536. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    537. 

  537. 	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
    538. 

  538. 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    539. 

  539. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    540. 

  540. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    541. 

  541. 	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92)
    542. 

  542. 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    543. 

  543. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    544. 

  544. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    545. 

  545. 	at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
    546. 

  546. 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    547. 

  547. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    548. 

  548. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    549. 

  549. 	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.filterAndRecordMetrics(WebMvcMetricsFilter.java:117)
    550. 

  550. 	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:106)
    551. 

  551. 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    552. 

  552. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    553. 

  553. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    554. 

  554. 	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
    555. 

  555. 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    556. 

  556. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    557. 

  557. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    558. 

  558. 	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
    559. 

  559. 	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
    560. 

  560. 	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
    561. 

  561. 	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
    562. 

  562. 	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
    563. 

  563. 	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
    564. 

  564. 	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:668)
    565. 

  565. 	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
    566. 

  566. 	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
    567. 

  567. 	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
    568. 

  568. 	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:791)
    569. 

  569. 	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1417)
    570. 

  570. 	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
    571. 

  571. 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    572. 

  572. 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    573. 

  573. 	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    574. 

  574. 	at java.lang.Thread.run(Thread.java:748)
    575. 

  575. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 3000ms.
    576. 

  576. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:689)
    577. 

  577. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:196)
    578. 

  578. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:161)
    579. 

  579. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:128)
    580. 

  580. 	at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:262)
    581. 

  581. 	... 104 common frames omitted
    582. 

  582. Caused by: java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
    583. 

  583. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:110)
    584. 

  584. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97)
    585. 

  585. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:89)
    586. 

  586. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:63)
    587. 

  587. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:73)
    588. 

  588. 	at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:905)
    589. 

  589. 	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:830)
    590. 

  590. 	at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:455)
    591. 

  591. 	at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:240)
    592. 

  592. 	at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:199)
    593. 

  593. 	at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:138)
    594. 

  594. 	at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:354)
    595. 

  595. 	at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:202)
    596. 

  596. 	at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:473)
    597. 

  597. 	at com.zaxxer.hikari.pool.HikariPool.access$100(HikariPool.java:71)
    598. 

  598. 	at com.zaxxer.hikari.pool.HikariPool$PoolEntryCreator.call(HikariPool.java:719)
    599. 

  599. 	at com.zaxxer.hikari.pool.HikariPool$PoolEntryCreator.call(HikariPool.java:705)
    600. 

  600. 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    601. 

  601. 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    602. 

  602. 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    603. 

  603. 	... 1 common frames omitted
    604. 

  604. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    605. 

  605. 

  606. The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
    607. 

  607. 	at sun.reflect.GeneratedConstructorAccessor90.newInstance(Unknown Source)
    608. 

  608. 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    609. 

  609. 	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
    610. 

  610. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    611. 

  611. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
    612. 

  612. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)
    613. 

  613. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167)
    614. 

  614. 	at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:91)
    615. 

  615. 	at com.mysql.cj.NativeSession.connect(NativeSession.java:152)
    616. 

  616. 	at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:849)
    617. 

  617. 	... 15 common frames omitted
    618. 

  618. Caused by: java.net.NoRouteToHostException: No route to host: connect
    619. 

  619. 	at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)
    620. 

  620. 	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85)
    621. 

  621. 	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
    622. 

  622. 	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
    623. 

  623. 	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
    624. 

  624. 	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
    625. 

  625. 	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
    626. 

  626. 	at java.net.Socket.connect(Socket.java:606)
    627. 

  627. 	at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:155)
    628. 

  628. 	at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:65)
    629. 

  629. 	... 17 common frames omitted
    630. 

  630. 2020-09-03 08:34:54,690 ERROR remove beta data error
    631. 

  631. 

  632. org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 3001ms.
    633. 

  633. 	at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:81)
    634. 

  634. 	at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:612)
    635. 

  635. 	at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:669)
    636. 

  636. 	at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:700)
    637. 

  637. 	at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:712)
    638. 

  638. 	at org.springframework.jdbc.core.JdbcTemplate.queryForObject(JdbcTemplate.java:783)
    639. 

  639. 	at com.alibaba.nacos.config.server.service.repository.extrnal.ExternalStoragePersistServiceImpl.findConfigInfo4Beta(ExternalStoragePersistServiceImpl.java:643)
    640. 

  640. 	at com.alibaba.nacos.config.server.controller.ConfigController.queryBeta(ConfigController.java:439)
    641. 

  641. 	at com.alibaba.nacos.config.server.controller.ConfigController$$FastClassBySpringCGLIB$$dbb89c38.invoke(<generated>)
    642. 

  642. 	at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218)
    643. 

  643. 	at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:749)
    644. 

  644. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)
    645. 

  645. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:93)
    646. 

  646. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
    647. 

  647. 	at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:688)
    648. 

  648. 	at com.alibaba.nacos.config.server.controller.ConfigController$$EnhancerBySpringCGLIB$$b55a3463.queryBeta(<generated>)
    649. 

  649. 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    650. 

  650. 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    651. 

  651. 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    652. 

  652. 	at java.lang.reflect.Method.invoke(Method.java:498)
    653. 

  653. 	at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:189)
    654. 

  654. 	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
    655. 

  655. 	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)
    656. 

  656. 	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895)
    657. 

  657. 	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:800)
    658. 

  658. 	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
    659. 

  659. 	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)
    660. 

  660. 	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
    661. 

  661. 	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
    662. 

  662. 	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:897)
    663. 

  663. 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
    664. 

  664. 	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
    665. 

  665. 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
    666. 

  666. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
    667. 

  667. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    668. 

  668. 	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
    669. 

  669. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    670. 

  670. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    671. 

  671. 	at org.springframework.web.filter.CorsFilter.doFilterInternal(CorsFilter.java:96)
    672. 

  672. 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    673. 

  673. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    674. 

  674. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    675. 

  675. 	at org.springframework.boot.actuate.web.trace.servlet.HttpTraceFilter.doFilterInternal(HttpTraceFilter.java:90)
    676. 

  676. 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    677. 

  677. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    678. 

  678. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    679. 

  679. 	at com.alibaba.nacos.core.auth.AuthFilter.doFilter(AuthFilter.java:60)
    680. 

  680. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    681. 

  681. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    682. 

  682. 	at com.alibaba.nacos.config.server.filter.NacosWebFilter.doFilter(NacosWebFilter.java:67)
    683. 

  683. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    684. 

  684. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    685. 

  685. 	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:209)
    686. 

  686. 	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:178)
    687. 

  687. 	at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:357)
    688. 

  688. 	at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:270)
    689. 

  689. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    690. 

  690. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    691. 

  691. 	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
    692. 

  692. 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    693. 

  693. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    694. 

  694. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    695. 

  695. 	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92)
    696. 

  696. 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    697. 

  697. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    698. 

  698. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    699. 

  699. 	at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
    700. 

  700. 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    701. 

  701. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    702. 

  702. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    703. 

  703. 	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.filterAndRecordMetrics(WebMvcMetricsFilter.java:117)
    704. 

  704. 	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:106)
    705. 

  705. 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    706. 

  706. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    707. 

  707. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    708. 

  708. 	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
    709. 

  709. 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    710. 

  710. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    711. 

  711. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    712. 

  712. 	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
    713. 

  713. 	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
    714. 

  714. 	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
    715. 

  715. 	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
    716. 

  716. 	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
    717. 

  717. 	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
    718. 

  718. 	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:668)
    719. 

  719. 	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
    720. 

  720. 	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
    721. 

  721. 	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
    722. 

  722. 	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:791)
    723. 

  723. 	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1417)
    724. 

  724. 	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
    725. 

  725. 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    726. 

  726. 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    727. 

  727. 	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    728. 

  728. 	at java.lang.Thread.run(Thread.java:748)
    729. 

  729. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 3001ms.
    730. 

  730. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:689)
    731. 

  731. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:196)
    732. 

  732. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:161)
    733. 

  733. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:128)
    734. 

  734. 	at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:151)
    735. 

  735. 	at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:115)
    736. 

  736. 	at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:78)
    737. 

  737. 	... 95 common frames omitted
    738. 

  738. Caused by: java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
    739. 

  739. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:110)
    740. 

  740. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97)
    741. 

  741. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:89)
    742. 

  742. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:63)
    743. 

  743. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:73)
    744. 

  744. 	at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:905)
    745. 

  745. 	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:830)
    746. 

  746. 	at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:455)
    747. 

  747. 	at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:240)
    748. 

  748. 	at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:199)
    749. 

  749. 	at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:138)
    750. 

  750. 	at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:354)
    751. 

  751. 	at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:202)
    752. 

  752. 	at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:473)
    753. 

  753. 	at com.zaxxer.hikari.pool.HikariPool.access$100(HikariPool.java:71)
    754. 

  754. 	at com.zaxxer.hikari.pool.HikariPool$PoolEntryCreator.call(HikariPool.java:719)
    755. 

  755. 	at com.zaxxer.hikari.pool.HikariPool$PoolEntryCreator.call(HikariPool.java:705)
    756. 

  756. 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    757. 

  757. 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    758. 

  758. 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    759. 

  759. 	... 1 common frames omitted
    760. 

  760. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    761. 

  761. 

  762. The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
    763. 

  763. 	at sun.reflect.GeneratedConstructorAccessor90.newInstance(Unknown Source)
    764. 

  764. 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    765. 

  765. 	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
    766. 

  766. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    767. 

  767. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
    768. 

  768. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)
    769. 

  769. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167)
    770. 

  770. 	at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:91)
    771. 

  771. 	at com.mysql.cj.NativeSession.connect(NativeSession.java:152)
    772. 

  772. 	at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:849)
    773. 

  773. 	... 15 common frames omitted
    774. 

  774. Caused by: java.net.NoRouteToHostException: No route to host: connect
    775. 

  775. 	at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)
    776. 

  776. 	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85)
    777. 

  777. 	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
    778. 

  778. 	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
    779. 

  779. 	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
    780. 

  780. 	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
    781. 

  781. 	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
    782. 

  782. 	at java.net.Socket.connect(Socket.java:606)
    783. 

  783. 	at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:155)
    784. 

  784. 	at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:65)
    785. 

  785. 	... 17 common frames omitted
    786. 

  786. 2020-09-03 08:34:57,699 ERROR CONSOLE
    787. 

  787. 

  788. org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 3000ms.
    789. 

  789. 	at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:81)
    790. 

  790. 	at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:612)
    791. 

  791. 	at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:669)
    792. 

  792. 	at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:700)
    793. 

  793. 	at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:712)
    794. 

  794. 	at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:763)
    795. 

  795. 	at org.springframework.jdbc.core.JdbcTemplate.queryForList(JdbcTemplate.java:829)
    796. 

  796. 	at com.alibaba.nacos.config.server.service.repository.extrnal.ExternalStoragePersistServiceImpl.selectTagByConfig(ExternalStoragePersistServiceImpl.java:2047)
    797. 

  797. 	at com.alibaba.nacos.config.server.service.repository.extrnal.ExternalStoragePersistServiceImpl.findConfigAllInfo(ExternalStoragePersistServiceImpl.java:2193)
    798. 

  798. 	at com.alibaba.nacos.config.server.controller.ConfigController.detailConfigInfo(ConfigController.java:222)
    799. 

  799. 	at com.alibaba.nacos.config.server.controller.ConfigController$$FastClassBySpringCGLIB$$dbb89c38.invoke(<generated>)
    800. 

  800. 	at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218)
    801. 

  801. 	at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:749)
    802. 

  802. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)
    803. 

  803. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:93)
    804. 

  804. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
    805. 

  805. 	at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:688)
    806. 

  806. 	at com.alibaba.nacos.config.server.controller.ConfigController$$EnhancerBySpringCGLIB$$b55a3463.detailConfigInfo(<generated>)
    807. 

  807. 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    808. 

  808. 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    809. 

  809. 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    810. 

  810. 	at java.lang.reflect.Method.invoke(Method.java:498)
    811. 

  811. 	at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:189)
    812. 

  812. 	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
    813. 

  813. 	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)
    814. 

  814. 	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895)
    815. 

  815. 	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:800)
    816. 

  816. 	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
    817. 

  817. 	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)
    818. 

  818. 	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
    819. 

  819. 	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
    820. 

  820. 	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:897)
    821. 

  821. 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
    822. 

  822. 	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
    823. 

  823. 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
    824. 

  824. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
    825. 

  825. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    826. 

  826. 	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
    827. 

  827. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    828. 

  828. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    829. 

  829. 	at org.springframework.web.filter.CorsFilter.doFilterInternal(CorsFilter.java:96)
    830. 

  830. 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    831. 

  831. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    832. 

  832. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    833. 

  833. 	at org.springframework.boot.actuate.web.trace.servlet.HttpTraceFilter.doFilterInternal(HttpTraceFilter.java:90)
    834. 

  834. 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    835. 

  835. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    836. 

  836. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    837. 

  837. 	at com.alibaba.nacos.core.auth.AuthFilter.doFilter(AuthFilter.java:60)
    838. 

  838. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    839. 

  839. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    840. 

  840. 	at com.alibaba.nacos.config.server.filter.NacosWebFilter.doFilter(NacosWebFilter.java:67)
    841. 

  841. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    842. 

  842. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    843. 

  843. 	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:209)
    844. 

  844. 	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:178)
    845. 

  845. 	at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:357)
    846. 

  846. 	at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:270)
    847. 

  847. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    848. 

  848. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    849. 

  849. 	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
    850. 

  850. 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    851. 

  851. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    852. 

  852. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    853. 

  853. 	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:92)
    854. 

  854. 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    855. 

  855. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    856. 

  856. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    857. 

  857. 	at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)
    858. 

  858. 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    859. 

  859. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    860. 

  860. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    861. 

  861. 	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.filterAndRecordMetrics(WebMvcMetricsFilter.java:117)
    862. 

  862. 	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:106)
    863. 

  863. 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    864. 

  864. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    865. 

  865. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    866. 

  866. 	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
    867. 

  867. 	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    868. 

  868. 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    869. 

  869. 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    870. 

  870. 	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
    871. 

  871. 	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
    872. 

  872. 	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
    873. 

  873. 	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
    874. 

  874. 	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
    875. 

  875. 	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
    876. 

  876. 	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:668)
    877. 

  877. 	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
    878. 

  878. 	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
    879. 

  879. 	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
    880. 

  880. 	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:791)
    881. 

  881. 	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1417)
    882. 

  882. 	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
    883. 

  883. 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    884. 

  884. 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    885. 

  885. 	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    886. 

  886. 	at java.lang.Thread.run(Thread.java:748)
    887. 

  887. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 3000ms.
    888. 

  888. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:689)
    889. 

  889. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:196)
    890. 

  890. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:161)
    891. 

  891. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:128)
    892. 

  892. 	at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:151)
    893. 

  893. 	at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:115)
    894. 

  894. 	at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:78)
    895. 

  895. 	... 97 common frames omitted
    896. 

  896. Caused by: java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
    897. 

  897. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:110)
    898. 

  898. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97)
    899. 

  899. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:89)
    900. 

  900. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:63)
    901. 

  901. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:73)
    902. 

  902. 	at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:905)
    903. 

  903. 	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:830)
    904. 

  904. 	at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:455)
    905. 

  905. 	at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:240)
    906. 

  906. 	at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:199)
    907. 

  907. 	at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:138)
    908. 

  908. 	at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:354)
    909. 

  909. 	at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:202)
    910. 

  910. 	at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:473)
    911. 

  911. 	at com.zaxxer.hikari.pool.HikariPool.access$100(HikariPool.java:71)
    912. 

  912. 	at com.zaxxer.hikari.pool.HikariPool$PoolEntryCreator.call(HikariPool.java:719)
    913. 

  913. 	at com.zaxxer.hikari.pool.HikariPool$PoolEntryCreator.call(HikariPool.java:705)
    914. 

  914. 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    915. 

  915. 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    916. 

  916. 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    917. 

  917. 	... 1 common frames omitted
    918. 

  918. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    919. 

  919. 

  920. The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
    921. 

  921. 	at sun.reflect.GeneratedConstructorAccessor90.newInstance(Unknown Source)
    922. 

  922. 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    923. 

  923. 	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
    924. 

  924. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    925. 

  925. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
    926. 

  926. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)
    927. 

  927. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167)
    928. 

  928. 	at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:91)
    929. 

  929. 	at com.mysql.cj.NativeSession.connect(NativeSession.java:152)
    930. 

  930. 	at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:849)
    931. 

  931. 	... 15 common frames omitted
    932. 

  932. Caused by: java.net.NoRouteToHostException: No route to host: connect
    933. 

  933. 	at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)
    934. 

  934. 	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85)
    935. 

  935. 	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
    936. 

  936. 	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
    937. 

  937. 	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
    938. 

  938. 	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
    939. 

  939. 	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
    940. 

  940. 	at java.net.Socket.connect(Socket.java:606)
    941. 

  941. 	at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:155)
    942. 

  942. 	at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:65)
    943. 

  943. 	... 17 common frames omitted
    944. 

  944. 2020-09-03 08:42:15,707 INFO [capacityManagement] start correct usage
    945. 

  945. 

  946. 2020-09-03 08:42:15,950 INFO [capacityManagement] end correct usage, cost: 0s
    947. 

  947. 

  948. 2020-09-03 08:44:27,413 WARN clearConfigHistory start
    949. 

  949. 

  950. 2020-09-03 08:52:15,951 INFO [capacityManagement] start correct usage
    951. 

  951. 

  952. 2020-09-03 08:52:16,196 INFO [capacityManagement] end correct usage, cost: 0s
    953. 

  953. 

  954. 2020-09-03 08:54:27,661 WARN clearConfigHistory start
    955. 

  955. 

  956. 2020-09-03 09:02:16,198 INFO [capacityManagement] start correct usage
    957. 

  957. 

  958. 2020-09-03 09:02:16,437 INFO [capacityManagement] end correct usage, cost: 0s
    959. 

  959. 

  960. 2020-09-03 09:04:27,850 WARN clearConfigHistory start
    961. 

  961. 

  962. 2020-09-03 09:12:16,438 INFO [capacityManagement] start correct usage
    963. 

  963. 

  964. 2020-09-03 09:12:16,751 INFO [capacityManagement] end correct usage, cost: 0s
    965. 

  965. 

  966. 2020-09-03 09:14:27,986 WARN clearConfigHistory start
    967. 

  967. 

  968. 2020-09-03 09:22:16,753 INFO [capacityManagement] start correct usage
    969. 

  969. 

  970. 2020-09-03 09:22:17,005 INFO [capacityManagement] end correct usage, cost: 0s
    971. 

  971. 

  972. 2020-09-03 09:24:28,248 WARN clearConfigHistory start
    973. 

  973. 

  974. 2020-09-03 09:32:17,006 INFO [capacityManagement] start correct usage
    975. 

  975. 

  976. 2020-09-03 09:32:17,279 INFO [capacityManagement] end correct usage, cost: 0s
    977. 

  977. 

  978. 2020-09-03 09:34:28,443 WARN clearConfigHistory start
    979. 

  979. 

  980. 2020-09-03 09:42:17,279 INFO [capacityManagement] start correct usage
    981. 

  981. 

  982. 2020-09-03 09:42:17,633 INFO [capacityManagement] end correct usage, cost: 0s
    983. 

  983. 

  984. 2020-09-03 09:44:28,716 WARN clearConfigHistory start
    985. 

  985. 

  986. 2020-09-03 09:52:17,635 INFO [capacityManagement] start correct usage
    987. 

  987. 

  988. 2020-09-03 09:52:18,336 INFO [capacityManagement] end correct usage, cost: 0s
    989. 

  989. 

  990. 2020-09-03 09:54:29,840 WARN clearConfigHistory start
    991. 

  991. 

  992. 2020-09-03 10:02:18,339 INFO [capacityManagement] start correct usage
    993. 

  993. 

  994. 2020-09-03 10:02:18,568 INFO [capacityManagement] end correct usage, cost: 0s
    995. 

  995. 

  996. 2020-09-03 10:04:30,090 WARN clearConfigHistory start
    997. 

  997. 

  998. 2020-09-03 10:12:18,569 INFO [capacityManagement] start correct usage
    999. 

  999. 

  1000. 2020-09-03 10:12:18,877 INFO [capacityManagement] end correct usage, cost: 0s
    1001. 

  1001. 

  1002. 2020-09-03 10:14:30,289 WARN clearConfigHistory start
    1003. 

  1003. 

  1004. 2020-09-03 10:22:18,879 INFO [capacityManagement] start correct usage
    1005. 

  1005. 

  1006. 2020-09-03 10:22:19,129 INFO [capacityManagement] end correct usage, cost: 0s
    1007. 

  1007. 

  1008. 2020-09-03 10:24:30,468 WARN clearConfigHistory start
    1009. 

  1009. 

  1010. 2020-09-03 10:32:19,130 INFO [capacityManagement] start correct usage
    1011. 

  1011. 

  1012. 2020-09-03 10:32:19,260 INFO [capacityManagement] end correct usage, cost: 0s
    1013. 

  1013. 

  1014. 2020-09-03 10:34:30,657 WARN clearConfigHistory start
    1015. 

  1015. 

  1016. 2020-09-03 10:42:19,262 INFO [capacityManagement] start correct usage
    1017. 

  1017. 

  1018. 2020-09-03 10:42:19,483 INFO [capacityManagement] end correct usage, cost: 0s
    1019. 

  1019. 

  1020. 2020-09-03 10:44:30,849 WARN clearConfigHistory start
    1021. 

  1021. 

  1022. 2020-09-03 10:52:19,484 INFO [capacityManagement] start correct usage
    1023. 

  1023. 

  1024. 2020-09-03 10:52:19,704 INFO [capacityManagement] end correct usage, cost: 0s
    1025. 

  1025. 

  1026. 2020-09-03 10:54:31,032 WARN clearConfigHistory start
    1027. 

  1027. 

  1028. 2020-09-03 10:54:42,858 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@44e7492f (Communications link failure
    1029. 

  1029. 

  1030. The last packet successfully received from the server was 1,272,341 milliseconds ago.  The last packet sent successfully to the server was 1,272,403 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    1031. 

  1031. 

  1032. 2020-09-03 10:54:42,858 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@3ede91d3 (Communications link failure
    1033. 

  1033. 

  1034. The last packet successfully received from the server was 1,267,842 milliseconds ago.  The last packet sent successfully to the server was 1,267,901 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    1035. 

  1035. 

  1036. 2020-09-03 10:54:42,858 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@5fa0fc7a (Communications link failure
    1037. 

  1037. 

  1038. The last packet successfully received from the server was 27,510 milliseconds ago.  The last packet sent successfully to the server was 27,568 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    1039. 

  1039. 

  1040. 2020-09-03 10:54:42,859 ERROR clearConfigHistory error : org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 11825ms.
    1041. 

  1041. 

  1042. 2020-09-03 10:54:43,073 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@63c450ca (Communications link failure
    1043. 

  1043. 

  1044. The last packet successfully received from the server was 38,679 milliseconds ago.  The last packet sent successfully to the server was 38,743 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    1045. 

  1045. 

  1046. 2020-09-03 10:54:43,078 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@5487706b (Communications link failure
    1047. 

  1047. 

  1048. The last packet successfully received from the server was 1,265,473 milliseconds ago.  The last packet sent successfully to the server was 1,265,564 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    1049. 

  1049. 

  1050. 2020-09-03 10:54:43,080 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1f547a14 (Communications link failure
    1051. 

  1051. 

  1052. The last packet successfully received from the server was 1,262,797 milliseconds ago.  The last packet sent successfully to the server was 1,262,862 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    1053. 

  1053. 

  1054. 2020-09-03 10:54:43,084 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@34ca9f0b (Communications link failure
    1055. 

  1055. 

  1056. The last packet successfully received from the server was 1,257,834 milliseconds ago.  The last packet sent successfully to the server was 1,257,900 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    1057. 

  1057. 

  1058. 2020-09-03 10:54:43,086 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@75c9db58 (Communications link failure
    1059. 

  1059. 

  1060. The last packet successfully received from the server was 1,253,798 milliseconds ago.  The last packet sent successfully to the server was 1,253,862 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    1061. 

  1061. 

  1062. 2020-09-03 10:54:43,088 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1a22f9a2 (Communications link failure
    1063. 

  1063. 

  1064. The last packet successfully received from the server was 1,246,945 milliseconds ago.  The last packet sent successfully to the server was 1,247,007 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    1065. 

  1065. 

  1066. 2020-09-03 10:54:43,090 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@269ab428 (Communications link failure
    1067. 

  1067. 

  1068. The last packet successfully received from the server was 1,240,286 milliseconds ago.  The last packet sent successfully to the server was 1,240,361 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    1069. 

  1069. 

  1070. 2020-09-03 10:54:43,093 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@46c85537 (Communications link failure
    1071. 

  1071. 

  1072. The last packet successfully received from the server was 1,235,154 milliseconds ago.  The last packet sent successfully to the server was 1,235,214 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    1073. 

  1073. 

  1074. 2020-09-03 10:54:43,096 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@7de045ad (Communications link failure
    1075. 

  1075. 

  1076. The last packet successfully received from the server was 1,231,549 milliseconds ago.  The last packet sent successfully to the server was 1,231,609 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    1077. 

  1077. 

  1078. 2020-09-03 10:54:43,098 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@70825c5a (Communications link failure
    1079. 

  1079. 

  1080. The last packet successfully received from the server was 1,229,040 milliseconds ago.  The last packet sent successfully to the server was 1,229,116 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    1081. 

  1081. 

  1082. 2020-09-03 10:54:43,101 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@3ca9d96 (Communications link failure
    1083. 

  1083. 

  1084. The last packet successfully received from the server was 1,228,457 milliseconds ago.  The last packet sent successfully to the server was 1,228,516 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    1085. 

  1085. 

  1086. 2020-09-03 10:54:43,102 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@72f1135 (Communications link failure
    1087. 

  1087. 

  1088. The last packet successfully received from the server was 1,225,870 milliseconds ago.  The last packet sent successfully to the server was 1,225,935 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    1089. 

  1089. 

  1090. 2020-09-03 10:54:43,102 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@781de150 (Communications link failure
    1091. 

  1091. 

  1092. The last packet successfully received from the server was 1,224,207 milliseconds ago.  The last packet sent successfully to the server was 1,224,263 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    1093. 

  1093. 

  1094. 2020-09-03 10:54:43,104 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4d6e0a7d (Communications link failure
    1095. 

  1095. 

  1096. The last packet successfully received from the server was 1,220,542 milliseconds ago.  The last packet sent successfully to the server was 1,220,609 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    1097. 

  1097. 

  1098. 2020-09-03 10:54:43,104 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@32371c5c (Communications link failure
    1099. 

  1099. 

  1100. The last packet successfully received from the server was 1,217,503 milliseconds ago.  The last packet sent successfully to the server was 1,217,565 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    1101. 

  1101. 

  1102. 2020-09-03 10:54:43,105 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@25b77c2b (Communications link failure
    1103. 

  1103. 

  1104. The last packet successfully received from the server was 1,203,581 milliseconds ago.  The last packet sent successfully to the server was 1,203,636 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    1105. 

  1105. 

  1106. 2020-09-03 10:54:43,105 WARN HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@475e5932 (Communications link failure
    1107. 

  1107. 

  1108. The last packet successfully received from the server was 1,189,947 milliseconds ago.  The last packet sent successfully to the server was 1,190,013 milliseconds ago.). Possibly consider using a shorter maxLifetime value.
    1109. 

  1109. 

  1110. 2020-09-03 11:02:19,707 INFO [capacityManagement] start correct usage
    1111. 

  1111. 

  1112. 2020-09-03 11:02:20,768 INFO [capacityManagement] end correct usage, cost: 1s
    1113. 

  1113. 

  1114. 2020-09-03 11:04:42,861 WARN clearConfigHistory start
    1115. 

  1115. 

  1116. 2020-09-03 11:12:20,770 INFO [capacityManagement] start correct usage
    1117. 

  1117. 

  1118. 2020-09-03 11:12:21,033 INFO [capacityManagement] end correct usage, cost: 0s
    1119. 

  1119. 

  1120. 2020-09-03 11:14:43,020 WARN clearConfigHistory start
    1121. 

  1121. 

  1122. 2020-09-03 11:22:21,034 INFO [capacityManagement] start correct usage
    1123. 

  1123. 

  1124. 2020-09-03 11:22:21,257 INFO [capacityManagement] end correct usage, cost: 0s
    1125. 

  1125. 

  1126. 2020-09-03 11:24:43,175 WARN clearConfigHistory start
    1127. 

  1127. 

  1128. 2020-09-03 11:32:21,258 INFO [capacityManagement] start correct usage
    1129. 

  1129. 

  1130. 2020-09-03 11:32:21,491 INFO [capacityManagement] end correct usage, cost: 0s
    1131. 

  1131. 

  1132. 2020-09-03 11:34:43,725 WARN clearConfigHistory start
    1133. 

  1133. 

  1134. 2020-09-03 11:42:21,492 INFO [capacityManagement] start correct usage
    1135. 

  1135. 

  1136. 2020-09-03 11:42:21,712 INFO [capacityManagement] end correct usage, cost: 0s
    1137. 

  1137. 

  1138. 2020-09-03 11:44:43,948 WARN clearConfigHistory start
    1139. 

  1139. 

  1140. 2020-09-03 11:52:21,713 INFO [capacityManagement] start correct usage
    1141. 

  1141. 

  1142. 2020-09-03 11:52:22,023 INFO [capacityManagement] end correct usage, cost: 0s
    1143. 

  1143. 

  1144. 2020-09-03 11:54:44,173 WARN clearConfigHistory start
    1145. 

  1145. 

  1146. 2020-09-03 12:02:22,024 INFO [capacityManagement] start correct usage
    1147. 

  1147. 

  1148. 2020-09-03 12:02:22,244 INFO [capacityManagement] end correct usage, cost: 0s
    1149. 

  1149. 

  1150. 2020-09-03 12:04:44,335 WARN clearConfigHistory start
    1151. 

  1151. 

  1152. 2020-09-03 12:12:22,247 INFO [capacityManagement] start correct usage
    1153. 

  1153. 

  1154. 2020-09-03 12:12:22,400 INFO [capacityManagement] end correct usage, cost: 0s
    1155. 

  1155. 

  1156. 2020-09-03 12:14:44,504 WARN clearConfigHistory start
    1157. 

  1157. 

  1158. 2020-09-03 12:22:22,402 INFO [capacityManagement] start correct usage
    1159. 

  1159. 

  1160. 2020-09-03 12:22:22,617 INFO [capacityManagement] end correct usage, cost: 0s
    1161. 

  1161. 

  1162. 2020-09-03 12:24:44,616 WARN clearConfigHistory start
    1163. 

  1163. 

  1164. 2020-09-03 12:32:22,619 INFO [capacityManagement] start correct usage
    1165. 

  1165. 

  1166. 2020-09-03 12:32:22,830 INFO [capacityManagement] end correct usage, cost: 0s
    1167. 

  1167. 

  1168. 2020-09-03 12:34:44,810 WARN clearConfigHistory start
    1169. 

  1169. 

  1170. 2020-09-03 12:42:22,831 INFO [capacityManagement] start correct usage
    1171. 

  1171. 

  1172. 2020-09-03 12:42:23,042 INFO [capacityManagement] end correct usage, cost: 0s
    1173. 

  1173. 

  1174. 2020-09-03 12:43:26,970 WARN HikariPool-1 - Connection com.mysql.cj.jdbc.ConnectionImpl@1de060ff marked as broken because of SQLSTATE(08S01), ErrorCode(0)
    1175. 

  1175. 

  1176. com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure
    1177. 

  1177. 

  1178. The last packet successfully received from the server was 3,001 milliseconds ago.  The last packet sent successfully to the server was 3,001 milliseconds ago.
    1179. 

  1179. 	at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174)
    1180. 

  1180. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64)
    1181. 

  1181. 	at com.mysql.cj.jdbc.ConnectionImpl.setSessionMaxRows(ConnectionImpl.java:2448)
    1182. 

  1182. 	at com.mysql.cj.jdbc.ClientPreparedStatement.executeQuery(ClientPreparedStatement.java:1003)
    1183. 

  1183. 	at com.zaxxer.hikari.pool.ProxyPreparedStatement.executeQuery(ProxyPreparedStatement.java:52)
    1184. 

  1184. 	at com.zaxxer.hikari.pool.HikariProxyPreparedStatement.executeQuery(HikariProxyPreparedStatement.java)
    1185. 

  1185. 	at org.springframework.jdbc.core.JdbcTemplate$1.doInPreparedStatement(JdbcTemplate.java:678)
    1186. 

  1186. 	at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:617)
    1187. 

  1187. 	at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:669)
    1188. 

  1188. 	at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:700)
    1189. 

  1189. 	at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:712)
    1190. 

  1190. 	at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:763)
    1191. 

  1191. 	at com.alibaba.nacos.config.server.service.repository.extrnal.ExternalStoragePaginationHelperImpl.fetchPage(ExternalStoragePaginationHelperImpl.java:97)
    1192. 

  1192. 	at com.alibaba.nacos.config.server.service.repository.extrnal.ExternalStoragePaginationHelperImpl.fetchPage(ExternalStoragePaginationHelperImpl.java:56)
    1193. 

  1193. 	at com.alibaba.nacos.config.server.auth.ExternalRolePersistServiceImpl.getRolesByUserName(ExternalRolePersistServiceImpl.java:98)
    1194. 

  1194. 	at com.alibaba.nacos.console.security.nacos.roles.NacosRoleServiceImpl.reload(NacosRoleServiceImpl.java:77)
    1195. 

  1195. 	at sun.reflect.GeneratedMethodAccessor132.invoke(Unknown Source)
    1196. 

  1196. 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    1197. 

  1197. 	at java.lang.reflect.Method.invoke(Method.java:498)
    1198. 

  1198. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:84)
    1199. 

  1199. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    1200. 

  1200. 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    1201. 

  1201. 	at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
    1202. 

  1202. 	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
    1203. 

  1203. 	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
    1204. 

  1204. 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    1205. 

  1205. 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    1206. 

  1206. 	at java.lang.Thread.run(Thread.java:748)
    1207. 

  1207. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    1208. 

  1208. 

  1209. The last packet successfully received from the server was 3,001 milliseconds ago.  The last packet sent successfully to the server was 3,001 milliseconds ago.
    1210. 

  1210. 	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    1211. 

  1211. 	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    1212. 

  1212. 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    1213. 

  1213. 	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
    1214. 

  1214. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    1215. 

  1215. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
    1216. 

  1216. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)
    1217. 

  1217. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167)
    1218. 

  1218. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:562)
    1219. 

  1219. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:732)
    1220. 

  1220. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:671)
    1221. 

  1221. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:986)
    1222. 

  1222. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:921)
    1223. 

  1223. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:1165)
    1224. 

  1224. 	at com.mysql.cj.jdbc.ConnectionImpl.setSessionMaxRows(ConnectionImpl.java:2444)
    1225. 

  1225. 	... 25 common frames omitted
    1226. 

  1226. Caused by: java.net.SocketTimeoutException: Read timed out
    1227. 

  1227. 	at java.net.SocketInputStream.socketRead0(Native Method)
    1228. 

  1228. 	at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
    1229. 

  1229. 	at java.net.SocketInputStream.read(SocketInputStream.java:171)
    1230. 

  1230. 	at java.net.SocketInputStream.read(SocketInputStream.java:141)
    1231. 

  1231. 	at com.mysql.cj.protocol.ReadAheadInputStream.fill(ReadAheadInputStream.java:107)
    1232. 

  1232. 	at com.mysql.cj.protocol.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:150)
    1233. 

  1233. 	at com.mysql.cj.protocol.ReadAheadInputStream.read(ReadAheadInputStream.java:180)
    1234. 

  1234. 	at java.io.FilterInputStream.read(FilterInputStream.java:133)
    1235. 

  1235. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    1236. 

  1236. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    1237. 

  1237. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    1238. 

  1238. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    1239. 

  1239. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    1240. 

  1240. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    1241. 

  1241. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    1242. 

  1242. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:556)
    1243. 

  1243. 	... 31 common frames omitted
    1244. 

  1244. 2020-09-03 12:44:31,120 WARN HikariPool-1 - Connection com.mysql.cj.jdbc.ConnectionImpl@3a8412c6 marked as broken because of SQLSTATE(08S01), ErrorCode(0)
    1245. 

  1245. 

  1246. com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure
    1247. 

  1247. 

  1248. The last packet successfully received from the server was 3,000 milliseconds ago.  The last packet sent successfully to the server was 3,000 milliseconds ago.
    1249. 

  1249. 	at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174)
    1250. 

  1250. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64)
    1251. 

  1251. 	at com.mysql.cj.jdbc.ConnectionImpl.setSessionMaxRows(ConnectionImpl.java:2448)
    1252. 

  1252. 	at com.mysql.cj.jdbc.ClientPreparedStatement.executeQuery(ClientPreparedStatement.java:1003)
    1253. 

  1253. 	at com.zaxxer.hikari.pool.ProxyPreparedStatement.executeQuery(ProxyPreparedStatement.java:52)
    1254. 

  1254. 	at com.zaxxer.hikari.pool.HikariProxyPreparedStatement.executeQuery(HikariProxyPreparedStatement.java)
    1255. 

  1255. 	at org.springframework.jdbc.core.JdbcTemplate$1.doInPreparedStatement(JdbcTemplate.java:678)
    1256. 

  1256. 	at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:617)
    1257. 

  1257. 	at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:669)
    1258. 

  1258. 	at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:700)
    1259. 

  1259. 	at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:712)
    1260. 

  1260. 	at org.springframework.jdbc.core.JdbcTemplate.queryForObject(JdbcTemplate.java:783)
    1261. 

  1261. 	at org.springframework.jdbc.core.JdbcTemplate.queryForObject(JdbcTemplate.java:804)
    1262. 

  1262. 	at com.alibaba.nacos.config.server.service.repository.extrnal.ExternalStoragePaginationHelperImpl.fetchPage(ExternalStoragePaginationHelperImpl.java:66)
    1263. 

  1263. 	at com.alibaba.nacos.config.server.service.repository.extrnal.ExternalStoragePaginationHelperImpl.fetchPage(ExternalStoragePaginationHelperImpl.java:56)
    1264. 

  1264. 	at com.alibaba.nacos.config.server.auth.ExternalPermissionPersistServiceImpl.getPermissions(ExternalPermissionPersistServiceImpl.java:69)
    1265. 

  1265. 	at com.alibaba.nacos.console.security.nacos.roles.NacosRoleServiceImpl.reload(NacosRoleServiceImpl.java:94)
    1266. 

  1266. 	at sun.reflect.GeneratedMethodAccessor132.invoke(Unknown Source)
    1267. 

  1267. 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    1268. 

  1268. 	at java.lang.reflect.Method.invoke(Method.java:498)
    1269. 

  1269. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:84)
    1270. 

  1270. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    1271. 

  1271. 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    1272. 

  1272. 	at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
    1273. 

  1273. 	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
    1274. 

  1274. 	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
    1275. 

  1275. 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    1276. 

  1276. 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    1277. 

  1277. 	at java.lang.Thread.run(Thread.java:748)
    1278. 

  1278. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    1279. 

  1279. 

  1280. The last packet successfully received from the server was 3,000 milliseconds ago.  The last packet sent successfully to the server was 3,000 milliseconds ago.
    1281. 

  1281. 	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    1282. 

  1282. 	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    1283. 

  1283. 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    1284. 

  1284. 	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
    1285. 

  1285. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    1286. 

  1286. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
    1287. 

  1287. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)
    1288. 

  1288. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167)
    1289. 

  1289. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:562)
    1290. 

  1290. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:732)
    1291. 

  1291. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:671)
    1292. 

  1292. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:986)
    1293. 

  1293. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:921)
    1294. 

  1294. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:1165)
    1295. 

  1295. 	at com.mysql.cj.jdbc.ConnectionImpl.setSessionMaxRows(ConnectionImpl.java:2444)
    1296. 

  1296. 	... 26 common frames omitted
    1297. 

  1297. Caused by: java.net.SocketTimeoutException: Read timed out
    1298. 

  1298. 	at java.net.SocketInputStream.socketRead0(Native Method)
    1299. 

  1299. 	at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
    1300. 

  1300. 	at java.net.SocketInputStream.read(SocketInputStream.java:171)
    1301. 

  1301. 	at java.net.SocketInputStream.read(SocketInputStream.java:141)
    1302. 

  1302. 	at com.mysql.cj.protocol.ReadAheadInputStream.fill(ReadAheadInputStream.java:107)
    1303. 

  1303. 	at com.mysql.cj.protocol.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:150)
    1304. 

  1304. 	at com.mysql.cj.protocol.ReadAheadInputStream.read(ReadAheadInputStream.java:180)
    1305. 

  1305. 	at java.io.FilterInputStream.read(FilterInputStream.java:133)
    1306. 

  1306. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    1307. 

  1307. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    1308. 

  1308. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    1309. 

  1309. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    1310. 

  1310. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    1311. 

  1311. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    1312. 

  1312. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    1313. 

  1313. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:556)
    1314. 

  1314. 	... 32 common frames omitted
    1315. 

  1315. 2020-09-03 12:44:44,971 WARN clearConfigHistory start
    1316. 

  1316. 

  1317. 2020-09-03 12:52:23,043 INFO [capacityManagement] start correct usage
    1318. 

  1318. 

  1319. 2020-09-03 12:52:23,255 INFO [capacityManagement] end correct usage, cost: 0s
    1320. 

  1320. 

  1321. 2020-09-03 12:54:48,417 WARN clearConfigHistory start
    1322. 

  1322. 

  1323. 2020-09-03 13:02:23,257 INFO [capacityManagement] start correct usage
    1324. 

  1324. 

  1325. 2020-09-03 13:02:23,474 INFO [capacityManagement] end correct usage, cost: 0s
    1326. 

  1326.