Heap Usage Observed High In The Managed Server, ConnectionManagerServer Object Count Keeps Increasing (Doc ID 2235274.1)

Last updated on AUGUST 10, 2017

Applies to:

Oracle WebLogic Server - Version 12.2.1.0.0 and later
Information in this document applies to any platform.

Symptoms

Heap usage goes up over time. A heap dump reveals there is a memory leak in the ConnectionManagerServer object.


Heap Dump Leak Suspect:
314,054 instances of "weblogic.rjvm.ConnectionManagerServer", loaded by "com.oracle.classloader.weblogic.LaunchClassLoader @ 0x6c0004278" occupy
2,772,392,160 (83.62%) bytes. These instances are referenced from one instance of "weblogic.utils.collections.ConcurrentWeakHashMap$Segment[]",
loaded by "com.oracle.classloader.weblogic.LaunchClassLoader @ 0x6c0004278"

Keywords
weblogic.rjvm.ConnectionManagerServer
com.oracle.classloader.weblogic.LaunchClassLoader @ 0x6c0004278
weblogic.utils.collections.ConcurrentWeakHashMap$Segment[]



Changes

 

Cause

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