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