My Oracle Support Banner

WLS 12.1.3: MDB Faces java.lang.NullPointerException on java.util.concurrent.ConcurrentHashMap.hash and Hangs (Doc ID 2104365.1)

Last updated on MARCH 04, 2018

Applies to:

Oracle WebLogic Server - Version 12.1.3.0.0 to 12.1.3.0.0 [Release 12c]
Information in this document applies to any platform.

Symptoms

MDB faces NullPointerException when trying to consume a message from a queue. Sending further messages to the Queue will cause message pending:

java.lang.NullPointerException
at java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:333)
at java.util.concurrent.ConcurrentHashMap.remove(ConcurrentHashMap.java:1175)
at weblogic.ejb.container.injection.InjectionBasedEjbComponentCreator.destroyBean(InjectionBasedEjbComponentCreator.java:128)
at weblogic.ejb.container.manager.MessageDrivenManager.destroyInstance(MessageDrivenManager.java:227)

The issue happens after migrating to WLS 12.1.3.0 from WLS 12.1.2.0. In WLS 12.1.2.0 it works fine.

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!


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