OutOfMemoryError occurs due to memory leak (User Storage) (Doc ID 2104838.1)

Last updated on DECEMBER 18, 2023

Applies to:

Oracle WebCenter Content - Version 11.1.1.8.0 to 12.2.1.0.0 [Release 11g to 12c]
Information in this document applies to any platform.

The UCM JVM heap size is slowly growing. UCM Managed Servers eventually becomes unresponsive after experiencing OutOfMemoryError exceptions.

The Leak Suspect report in Eclipse Memory Analyzer revealed either IdcClassLoader or UserStorageImplementor as a suspect. Examples are shown below:

The classloader/component "intradoc.loader.IdcClassLoader @ 0x529e9650" occupies 412,220,256 (27.61%) bytes. The memory is accumulated in classloader/component "intradoc.loader.IdcClassLoader @ 0x529e9650".
One instance of "intradoc.server.UserStorageImplementor" loaded by "intradoc.loader.IdcClassLoader @ 0x51055c80" occupies 209,087,448 (11.36%) bytes. The memory is accumulated in one instance of "intradoc.util.IdcLinkedHashMap" loaded by "sun.misc.Launcher$AppClassLoader @ 0x42ba38a0".

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In this Document

Symptoms

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