C.3.11. WARN [KeepAliveTimerTask] - Error while sending a KEEP_ALIVE query to connection.

Last Updated: 2017-02-15

Condition or Error

Connections to MySQL through the connector report KeepAliveTimerTask errors in the connector.log file

Causes

  • Possible causes include local scripts that kill stale connections after some fixed period of time, or the wait_timeout was changed without restarting the connector.

Rectifications

  • Check for local scripts that are killing connections

    Restart the Connector

    shell> connector restart