Members of Unicast Cluster Drop Out in Large Server Environments (Doc ID 1397268.1)

Last updated on AUGUST 03, 2017

Applies to:

Oracle WebLogic Server - Version 10.3 to 12.1.1.0
Information in this document applies to any platform.

Symptoms

In WebLogic Server 10.3.x, customers report seeing cluster instability or cluster member dropout when using Unicast cluster communication. See the following message from the server logs:

Eventually the server is added back to the cluster, but while it is missing, performance on the system as a whole is degraded.

Changes

 

Cause

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