Troubleshooting Memory leak OutOfMemoryErrors in UCM 11g Using JRockit Flight Recorder
(Doc ID 1337135.1)
Last updated on MARCH 01, 2021
Applies to:Oracle WebCenter Content - Version 18.104.22.168.0 and later
Information in this document applies to any platform.
***Checked for relevance on 18-December-2013***
If OutOfMemory errors in UCM 11g appear in the log files or system output, a memory leak may be occurring. These errors can cause UCM performance to come to a halt. This note contains steps for troubleshooting memory leak issues using JRockit Flight Recorder. If using the Sun JVM, VisualVM can be used, as described in the following note.
<Note.950621.1> - Use VisualVM Tools to Troubleshoot UCM and Observe Performance Problems Occurring in Java Virtual Machine
<Note.960595.1> - Example of How To Troubleshoot a Memory Leak in UCM Custom Component Using VisualVM
OOM errors in 11g appear in the log file or server output:
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In this Document
|Determine the Process ID of UCM 11g Content Server|
|Start JRockit Mission Control|
|Start Flight Recording|
|Matching the OutOfMemory error to the Spike in the Flight Recording|
Inspecting the Custom Component for causes of the Memory Leak
|Still have questions?|