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https://issues.apache.org/activemq/browse/CAMEL-634?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Claus Ibsen updated CAMEL-634:
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Fix Version/s: 1.4.0
(was: 1.5.0)
We should get this in 1.4 before its release. To important to not include as
the transaction client EIP pattern doesn't work otherwise.
Marats patch is surely great. Just need it to be more polished that he is
working on ;)
> DeadLetterChannel default redelivery policy eclipsed expected transactional
> behaviour in a transacted route
> -----------------------------------------------------------------------------------------------------------
>
> Key: CAMEL-634
> URL: https://issues.apache.org/activemq/browse/CAMEL-634
> Project: Apache Camel
> Issue Type: Bug
> Components: camel-core, camel-jms
> Affects Versions: 1.4.0
> Reporter: Marat Bedretdinov
> Assignee: Claus Ibsen
> Fix For: 1.4.0
>
> Attachments: tx.fix.2008-06-24-16-54.patch
>
>
> Camel routes get a DLC processor with a redelivery policy, which defaults to
> redeliverying a message to a destination processor up to 6 times. In case of
> a transacted route it is preferable that DLC's delivery policy be reset to a
> single attempt, so that a fan-out transacted route would not hold tx locks on
> destinations for too long.
> The DLC's default redelivery policy has also made transactional tests not
> really testing tx behavior of Camel Components backed runtimes (jms brokers,
> etc), rather DLC would catch the exception and try to redeliver the message
> to destination processor and not letting the components to rollback native
> transactions initiated by components backed runtimes (jms, db)
> The attached patch installs a property into Camel Exchange that indicates
> weather a route is transacted. This is done in
> org.apache.camel.spring.spi.TransactionInterceptor.java
> DLC then checks if the flow is transacted and sets its redelivery policy to 1
> With this change JMS transactions are actually rolled back and messages are
> put back into the queue and then consumed again, verifying that brokers
> support transactions and can redeliver messages into Camel routes that were
> previously rolled back.
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