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Messaging Gateway Agent sends Duplicate Messages To Websphere MQ in 11.2 when the source queue uses retention (Doc ID 1537641.1)

Last updated on FEBRUARY 26, 2019

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 11.2]
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.


When propagating a large number of messages to Websphere MQ via the Messaging Gateway Agent (MGW) a certain percentage of the messages are duplicated.

This problem occurred after upgrade from 10.2 to 11.2.

The source queue is a multi-consumer queue table and the queue within it is using retention.


 Upgrade from 10.2 to 11.2


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