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"flexnet loaddb" command fails with "java.sql.SQLException: Io exception: Connection reset"

"flexnet loaddb" command fails with "java.sql.SQLException: Io exception: Connection reset"

Summary

"flexnet loaddb" command fails with "java.sql.SQLException: I/O exception: Connection reset".

Symptoms

Environment:
  • Application: FlexNet Manager for Engineering Applications
  • Operating System: Linux
  • Database: Oracle (Remote)

"flexnet loaddb" command fails with "java.sql.SQLException: Io exception: Connection reset" like the following.

ERROR: Could not connect to database:
Io exception: Connection reset
Attempting to connect to config service database
14:47:57,319 DEBUG Could not access config service data: java.sql.SQLException: Io exception: Connection reset




Cause

The net.ipv4.tcp_keepalive_time OS level KeepAlive parameter is configured in /etc/sysctl.conf but ACK response for KeepAlive from the Oracle database server was not received, therefore OS closed the connection.


Resolution

Please work with your network administrator to resolve to receive the KeepAlive packets.

Workaround

Please remove net.ipv4.tcp_keepalive_time = xxx in /etc/sysctl.conf.
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Last update:
‎Feb 04, 2019 04:30 PM
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