WebLogic Server: High CPU Usage at HashMap.put()

(Doc ID 1206714.1)

Last updated on OCTOBER 23, 2017

Applies to:

Oracle Weblogic Server - Version 9.2 to 10.3.3
Information in this document applies to any platform.
***Checked for relevance on 8-Nov-2012***

Symptoms

Issue of high CPU usage was reported in WebLogic Server with requests using java.util.HashMap at HashMap.put().

Below is the trace of the thread which is consuming high CPU at HashMap.put():

Cause

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