IBM Support

Diagnosing Native OutOfMemory in Windows Using Debug Diagnostic Tool (DebugDiag)

Troubleshooting


Problem

Native OutOfMemory problems become easier to diagnose using the Microsoft Debug Diagnostic Tool, (DebugDiag).

Symptom

Some indications that you have a native memory problem are as follows. If you have any uncertainty about these points, you should contact IBM Support:

  • failure to create/fork new operating system threads (messages in SystemOut.log)
  • JVMDBG001 (malloc) errors in native_stderr.log
[{"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":"Out of Memory","Platform":[{"code":"PF033","label":"Windows"}],"Version":"9.0;8.5;8.0;7.0","Edition":"","Line of Business":{"code":"LOB77","label":"Automation Platform"}}]

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Document Information

More support for:
WebSphere Application Server

Software version:
9.0, 8.5, 8.0, 7.0

Operating system(s):
Windows

Document number:
433723

Modified date:
03 March 2025

UID

swg21514752

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