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From "Claus Ibsen (JIRA)" <>
Subject [jira] Commented: (CAMEL-2059) Creating a transacted pipeline with custom error handling is difficult
Date Tue, 05 Jan 2010 15:53:16 GMT


Claus Ibsen commented on CAMEL-2059:

The problem with onException not kicking in is because of using Spring XML. The Java DSL works.

Unfortunately JAXB is a bit pain in the ass so we need to rework it a bit afterwards before
Camel can use it to generate the runtime routes.
In that light there was a bug in camel-spring which causes onException to be vanished.

> Creating a transacted pipeline with custom error handling is difficult
> ----------------------------------------------------------------------
>                 Key: CAMEL-2059
>                 URL:
>             Project: Apache Camel
>          Issue Type: Bug
>          Components: camel-core
>    Affects Versions: 2.0.0
>            Reporter: Chris Purcell
>            Assignee: Claus Ibsen
>             Fix For: Future
>         Attachments: CamelTransactionsAndErrorHandling.tgz
> When trying to add error logging to a transacted pipeline, I discovered the following
> (1) onException/onCompletion do not work in a transacted route
> (2) if the transacted tag is not the first element in the route, all the endpoints above
it will be silently ignored
> (3) custom error handlers interact very awkwardly with transacted routes (specifically,
a non-transacted error handler will not work at all on a transacted route)
> I was able to solve my problem using doTry/doCatch; this may be a good candidate for
adding to the docs.
> I suggest that, if the above issues are not corrected (especially 2+3, which may not
be route designs that it is desired to support), they should trigger errors in the corresponding
> I have attached a tgz of examples showing problems (1) and (2) above, as well as my successful

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