java.util.ConcurrentModificationException: concurrent access to HashMap on WebLogic Server 10.0 MP1 (Doc ID 1395086.1)

Last updated on NOVEMBER 05, 2016

Applies to:

Oracle Weblogic Server - Version 8.1 to 10.0
Information in this document applies to any platform.

Symptoms

Every time that a WebLogic server instance is recycled the following error occurs.

Due to this issue, 404 errors appear on the client side. The workaround is to bounce the server until the issue disappears.

Cause

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