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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 AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 to 11.2.0.4 [Release 11.2]
Information in this document applies to any platform.

Symptoms

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.

Changes

 Upgrade from 10.2 to 11.2

Cause

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