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Limitations on WebSphere MQ work done in the routing exit
When writing routing exit programs, be aware of the following restrictions on MQI calls:
- Do not issue MQDISC.
- Do not issue MQCMIT or MQBACK within the exit:
- If you are using SyncPointIfPersistent=yes (described in Broker configuration stanza), do not take recoverable action within the exit when processing nonpersistent messages.
- If you are using SyncPointIfPersistent=no, or persistent messages, the exit is invoked within the scope of the publication unit of work.
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