CPU Spikes To 100% Due To Multithreaded Usage Of java.util.HashMap

(Doc ID 2105792.1)

Last updated on JULY 06, 2017

Applies to:

Oracle WebCenter Sites - Version 11.1.1.8.0 and later
Information in this document applies to any platform.

Symptoms

The CPU spikes to 100% on two of production servers.

The provided theaddumps in a span of 1 hour taken during the CPU usage at 100% showed multiple threads stuck with the following trace:

 

Cause

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