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https://issues.apache.org/activemq/browse/CAMEL-1234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=48553#action_48553
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Claus Ibsen commented on CAMEL-1234:
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This needs to be a new feature.
* onException is a failure processor and is invoked instead of doing
redelivery. So you can alter routes in case a given exception is thrown
* intercept() kinda worked, but intercept doesn't sit between each and every
node in the route graph.
Best option is to build in into the DeadLetterChannel as its the orchestrator
of doing redelivery.
> Custom processing of Exchange before redelivery using DeadLetterChannel
> -----------------------------------------------------------------------
>
> Key: CAMEL-1234
> URL: https://issues.apache.org/activemq/browse/CAMEL-1234
> Project: Apache Camel
> Issue Type: New Feature
> Components: camel-core
> Affects Versions: 1.5.0
> Reporter: Claus Ibsen
> Assignee: Claus Ibsen
> Fix For: 2.0.0
>
>
> We should provide a out-of-the-box solution to allow end users to do some
> custom processing before DLC is attempting a redelivery on a given endpoint.
> The custom processing should only be executed once per redelivery.
> Using the interceptor solution on the DLC wiki page will kick in for the
> remainder of the routing for redelivered exchanges, forcing end users to keep
> track that they only modify the exchange once per redelivery.
> The custom processing could be a detour route path
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