[2021-12-29T17:07:59.846] [ERROR] errorLogger - 
*************** error log start ***************
request method: GET
request originalUrl:  /dataservice/Bdata?bid=get_mr_combined
request client ip:  ::ffff:127.0.0.1
request query:  {"bid":"get_mr_combined"}
response time: 23155
err name: Error
err message: Handshake inactivity timeout
err stack: Error: Handshake inactivity timeout
    at Handshake.<anonymous> (D:\github\API\server\node_modules\mysql\lib\protocol\Protocol.js:163:17)
    at Handshake.emit (events.js:315:20)
    at Handshake._onTimeout (D:\github\API\server\node_modules\mysql\lib\protocol\sequences\Sequence.js:124:8)
    at Timer._onTimeout (D:\github\API\server\node_modules\mysql\lib\protocol\Timer.js:32:23)
    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 Pool.releaseConnection (D:\github\API\server\node_modules\mysql\lib\Pool.js:157:10)
    at Pool._removeConnection (D:\github\API\server\node_modules\mysql\lib\Pool.js:277:8)
    at Pool._purgeConnection (D:\github\API\server\node_modules\mysql\lib\Pool.js:258:8)
    at Ping.onOperationComplete (D:\github\API\server\node_modules\mysql\lib\Pool.js:101:12)
    at Ping.<anonymous> (D:\github\API\server\node_modules\mysql\lib\Connection.js:502:10)
    at Ping._callback (D:\github\API\server\node_modules\mysql\lib\Connection.js:468:16)
    at Ping.Sequence.end (D:\github\API\server\node_modules\mysql\lib\protocol\sequences\Sequence.js:83:24)
    at D:\github\API\server\node_modules\mysql\lib\protocol\Protocol.js:396:18
    at Array.forEach (<anonymous>)
    at D:\github\API\server\node_modules\mysql\lib\protocol\Protocol.js:395:13
    at processTicksAndRejections (internal/process/task_queues.js:75:11)
*************** error log end ***************