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

Last updated on SEPTEMBER 13, 2023

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.

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

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.

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In this Document

Symptoms

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