OutOfMemoryError occurs due to memory leak (User Storage)
(Doc ID 2104838.1)
Last updated on JANUARY 30, 2019
Applies to:Oracle WebCenter Content - Version 188.8.131.52.0 to 184.108.40.206.0 [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".
To view full details, sign in with your My Oracle Support account.
Don't have a My Oracle Support account? Click to get started!
In this Document