Websphere crashed due to out of memory after it disconnected from the Enterprise Manager

Document ID : KB000045928
Last Modified Date : 14/02/2018
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PROBLEM:

Websphere crashed due to out-of-memory after it disconnected from the Enterprise Manager

IBM Heapdump analyzer > leak suspect report list com.wily.util.adt.IntHashMap$Entry as the root cause

leaksuspect.jpg

ENVIRONMENT : Introscope Agent 9.5.5 , WebSphere 8.5.5 , Java 1.7 , AIX 7.1

RESOLUTION :

The issue is caused due to an incomplete cleanup of failed Agent-MOM connections which caused a thread/socket leak on the agent side. This problem is addressed in APM 9.7 and higher versions.