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I am testing a node.js client which connects to a mysql DB (mariadb). It works fine on its own, but if I launch this client simultaneously on another host, the first instance gets disconnected with the following error. I have read some posts suggesting to change the server-id in my.cnf, but that didn't help. Besides, why would I need to change the id of the server since both clients are pointing to the same server?

{ Error: UNKNOWN_CODE_PLEASE_REPORT: A slave with the same server_uuid/server_id as this slave has connected to the master; the first event 'mysql-b

in.000024' at 334, the last event read from 'mysql-bin.000024' at 256, the last byte read from 'mysql-bin.000024' at 334.

    at Binlog.Sequence._packetToError (/home/myapp/node_modules/mysql/lib/protocol/sequences/Sequence.js:47:14)

    at Binlog.Sequence.ErrorPacket (/home/myapp/node_modules/mysql/lib/protocol/sequences/Sequence.js:96:17)

    at Protocol._parsePacket (/home/myapp/node_modules/mysql/lib/protocol/Protocol.js:278:23)

    at Parser.write (/home/myapp/node_modules/mysql/lib/protocol/Parser.js:76:12)

    at Protocol.write (/home/myapp/node_modules/mysql/lib/protocol/Protocol.js:38:16)

    at Socket.<anonymous> (/home/myappp/node_modules/mysql/lib/Connection.js:91:28)

    at Socket.<anonymous> (/home/myapp/node_modules/mysql/lib/Connection.js:502:10)

    at Socket.emit (events.js:182:13)

    at addChunk (_stream_readable.js:283:12)

    at readableAddChunk (_stream_readable.js:264:11)

    --------------------

    at Protocol._enqueue (/home/myapp/node_modules/mysql/lib/protocol/Protocol.js:144:48)

    at Immediate._start (/home/myapp/node_modules/@rodrigogs/zongji/index.js:234:31)

    at processImmediate (timers.js:632:19)

  code: 'UNKNOWN_CODE_PLEASE_REPORT',

  errno: 4052,

  sqlMessage:

   "A slave with the same server_uuid/server_id as this slave has connected to the master; the first event 'mysql-bin.000024' at 334, the last event

 read from 'mysql-bin.000024' at 256, the last byte read from 'mysql-bin.000024' at 334.",

  sqlState: 'HY000' }

{ Error: Connection lost: The server closed the connection.

    at Protocol.end (/home/myapp/node_modules/mysql/lib/protocol/Protocol.js:112:13)

    at Socket.<anonymous> (/home/myapp/node_modules/mysql/lib/Connection.js:97:28)

    at Socket.<anonymous> (/home/myapp/node_modules/mysql/lib/Connection.js:502:10)

    at Socket.emit (events.js:187:15)

    at endReadableNT (_stream_readable.js:1094:12)

    at process.internalTickCallback (internal/process/next_tick.js:72:19) fatal: true, code: 'PROTOCOL_CONNECTION_LOST' }