My Oracle Support Banner

High CPU Usage at HashMap.put() in RegexpPool.add() (Doc ID 1523054.1)

Last updated on FEBRUARY 06, 2019

Applies to:

Oracle WebLogic Server - Version 10.3.4 to 12.1.1.0
Information in this document applies to any platform.

Symptoms

There seems to be a race condition in the HashMap.put() call in the weblogic.socket.utils.RegexpPool.add() method. As a result, high CPU usage is seen

and a java.lang.ArrayIndexOutOfBoundsException at RegexpPool.add(RegexpPool.java:39).

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Cause
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.