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WebLogic Server (WLS) Application - High CPU with STUCK Threads at HashMap Methods (Doc ID 1315750.1)

Last updated on JANUARY 01, 2019

Applies to:

Oracle WebLogic Server - Version 10.3 and later
Information in this document applies to any platform.
***Checked for relevance on 10-Feb-2015***


An application deployed to a WebLogic managed server becomes unresponsive with high CPU utilization.

The thread dump shows STUCK threads at the methods HashMap.put and HashMap.removeEntryForKey. Snippets of the thread dump show:


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