Duplicate Messages Redelivered Using WebLogic Server Foreign JMS with MQ V6 Client
Last updated on DECEMBER 11, 2017
Applies to:Oracle WebLogic Server - Version 8.1 to 10.3.2
Information in this document applies to any platform.
The customer has the following JMS achietecture:
- Their WebLogic Server (WLS) talks to an IBM Websphere MQ Server V6 using a Foreign JMS server with the MQ v220.127.116.11 client.
- They have MDBs deployed in WLS and listening to the queue on the MQ through foreign JMS.
If an MDB throws a runtime exception, the message is rolled back to MQ, but after that the message
is redelivered to the MDB twice (which is a wrong behavior). Using the MQ v5.3 client jars, only one
copy of the message is redelivered as expected.
The issue does not occur with a standalone client (running outside WebLogic) listening directly to the MQ, the behavior is fine in case of both MQ v18.104.22.168 and MQ v5.3 jars.
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