register exception listener with camel-jms producer endpoint
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Key: CAMEL-4616
URL: https://issues.apache.org/jira/browse/CAMEL-4616
Project: Camel
Issue Type: Improvement
Components: camel-jms
Affects Versions: 2.8.2
Environment: camel-jms producer sending to ActiveMQ
Reporter: Torsten Mielke
camel-jms should register an exception listener automatically when used as a
producer. That way it can deal with any exception that may occur on async sends.
To be more precise:
If a camel-jms producer sends a msg within a transaction to an ActiveMQ broker,
then this send happens async by default (kind of an optimization done by
ActiveMQ). If anything goes wrong with the send (e.g. broker raises a
javax.jms.ResourceAllocationException because its full or there is a transport
problem) then we currently don't catch this exception as there is no async
exception listener registered. What's worse the TX will be committed thereafter
although the async send has actually failed.
As a result the msg is lost.
For ActiveMQ there is a simple solution to this problem: either
- set jms.useAsyncSend=false on the broker URL, or
- call setAlwaysSyncSend(true) on the ActiveMQConnectionFactory
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