WLS Cluster debugging – some tips by Jon Petter Hjulstad

Posted: December 13, 2016 in WebLogic
Tags: , , , , , ,

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Some tips when debugging WLS cluster stability

In one environment we had problems with cluster stability – and there were unnecessary migrations of JMS Servers.

Here are some settings that gave more info in logs. Set the following for the JVM:

-Dweblogic.debug.DebugServerMigration=true -Dweblogic.debug.DebugSingletonServices=true

Change the below setting to DEBUG

Home >Summary of Servers >AdminServer >Logging >General >Advanced >Minimum severity to log:

enable below debugs from the weblogic admin console.

Debug >weblogic >core

cluster Collapse Node

DebugAsyncQueue

DebugCluster

DebugClusterAnnouncements

DebugClusterFragments

DebugClusterHeartbeats

DebugLeaderElection

DebugReplication

DebugReplicationDetails

Change the logging severity to Debug Read the complete article here.

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