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 11, 2020
Applies to:Oracle WebLogic Server - Version 220.127.116.11.0 to 18.104.22.168.0 [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 22.214.171.124 from WLS 126.96.36.199. In WLS 188.8.131.52 it works fine.
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