Troubleshooting
Problem
Collecting data for Out of Memory errors (OutOfMemoryError) with IBM WebSphere Application Server. Gathering this MustGather information before calling IBM Support will help familiarize you with the troubleshooting process and save you time.
Resolving The Problem
This MustGather details how to collect necessary logs for an OutOfMemory exception on AIX, Linux, or Windows.
Collect the following:
- core.*.dmp
- heapdump*.phd
- javacore*.txt
- Snap*.trc
- server.xml file for the server experiencing the OutOfMemory exception.
- All files located in the following directory:
- AIX or Linux:
profile_root/logs/server_name
** Zip up all files in the directory and send them - Windows:
profile_root\logs\server_name
** Zip up all files in the directory and send them
- AIX or Linux:
Please collect data for a single OOM event on a single server unless otherwise instructed.
** Note: verbosegc data is very helfpul with analyzing OutOfMemory issues. If you do not already have verbosegc enabled, it would be good to enable it and set up rotating logs per:
- Enabling verbose garbage collection (verbosegc) in WebSphere Application Server
https://www.ibm.com/support/pages/node/72239
- Writing Verbose GC to a Specified Log -Xverbosegclog
https://www.ibm.com/support/pages/node/625785
Related information
Exchanging information with IBM Technical Support for problem determination
Steps to getting support for WebSphere Application Server
MustGather: Read first for WebSphere Application Server
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Document Information
Modified date:
01 February 2024
UID
swg21138587