[2022-02-23T10:30:32.921] [ERROR] errorLogger - 
*************** error log start ***************
request method: GET
request originalUrl:  /dataservice/Bdata?bid=get_rru_info&_=1645583422026
request client ip:  ::1
request query:  {"bid":"get_rru_info","_":"1645583422026"}
response time: 10010
err name: Error
err message: connect ETIMEDOUT
err stack: Error: connect ETIMEDOUT
    at PoolConnection.Connection._handleConnectTimeout (D:\github\API\server\node_modules\mysql\lib\Connection.js:411:13)
    at Object.onceWrapper (events.js:421:28)
    at Socket.emit (events.js:315:20)
    at Socket._onTimeout (net.js:483:8)
    at listOnTimeout (internal/timers.js:554:17)
    at processTimers (internal/timers.js:497:7)
    --------------------
    at Protocol._enqueue (D:\github\API\server\node_modules\mysql\lib\protocol\Protocol.js:144:48)
    at Protocol.handshake (D:\github\API\server\node_modules\mysql\lib\protocol\Protocol.js:51:23)
    at PoolConnection.connect (D:\github\API\server\node_modules\mysql\lib\Connection.js:118:18)
    at Pool.getConnection (D:\github\API\server\node_modules\mysql\lib\Pool.js:48:16)
    at D:\github\API\server\utils\mysql_db.js:11:10
    at new Promise (<anonymous>)
    at Object.query (D:\github\API\server\utils\mysql_db.js:10:10)
    at Object.bdata (D:\github\API\server\models\dataapi.js:61:26)
    at D:\github\API\server\routes\dataapi.js:16:25
    at dispatch (D:\github\API\server\node_modules\koa-router\node_modules\koa-compose\index.js:44:32)
    at next (D:\github\API\server\node_modules\koa-router\node_modules\koa-compose\index.js:45:18)
    at D:\github\API\server\node_modules\koa-router\lib\router.js:346:16
    at dispatch (D:\github\API\server\node_modules\koa-router\node_modules\koa-compose\index.js:44:32)
    at D:\github\API\server\node_modules\koa-router\node_modules\koa-compose\index.js:36:12
    at dispatch (D:\github\API\server\node_modules\koa-router\lib\router.js:351:31)
    at dispatch (D:\github\API\server\node_modules\koa-compose\index.js:42:32)
    at dispatch (D:\github\API\server\node_modules\koa-router\lib\router.js:332:32)
    at dispatch (D:\github\API\server\node_modules\koa-compose\index.js:42:32)
    at dispatch (D:\github\API\server\node_modules\koa-router\lib\router.js:332:32)
    at dispatch (D:\github\API\server\node_modules\koa-compose\index.js:42:32)
    at dispatch (D:\github\API\server\node_modules\koa-router\lib\router.js:332:32)
    at dispatch (D:\github\API\server\node_modules\koa-compose\index.js:42:32)
*************** error log end ***************