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Generating Javacores and Userdumps Manually For Performance, Hang or High CPU Issues on Windows

Troubleshooting


Problem

If you are experiencing one of the symptoms listed below on an instances of WebSphere Application Server, this MustGather describes all possible ways of producing javacores and userdumps (core dumps) on Windows.

Symptom

Performance degradation, hang, no response, hung threads, CPU starvation, high CPU utilization, network delays, or deadlocks.

[{"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":"Hangs\/Performance Degradation","Platform":[{"code":"PF033","label":"Windows"}],"Version":"9.0;8.5;8.0;7.0;6.1;6.0","Edition":"Base;Express;Network Deployment","Line of Business":{"code":"LOB77","label":"Automation Platform"}},{"Product":{"code":"SS7JFU","label":"WebSphere Application Server - Express"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":"Hangs\/performance degradation","Platform":[{"code":"PF033","label":"Windows"}],"Version":"7.0;6.1;6.0;5.1","Edition":"","Line of Business":{"code":"LOB77","label":"Automation Platform"}},{"Product":{"code":"SSNVBF","label":"Runtimes for Java Technology"},"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Component":"Java SDK","Platform":[{"code":"","label":""}],"Version":"","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}}]

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Document Information

Modified date:
03 March 2025

UID

swg21138203