OutOfMemoryError occurs due to memory leak (User Storage)
Last updated on OCTOBER 24, 2017
Applies to:Oracle WebCenter Content - Version 184.108.40.206.0 to 220.127.116.11.0 [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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