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From "Hadrian Zbarcea (JIRA)" <>
Subject [jira] Commented: (CAMEL-960) DeadLetterChannel - option to mark the exchange as failure handled and that its OK
Date Fri, 10 Oct 2008 05:07:52 GMT


Hadrian Zbarcea commented on CAMEL-960:

@Claus, I think we agree on that.

[..] alter the restoreExceptionOnExchange method in DeadLetterChannel, to NOT set the exception,
or removing the  FAILURE_HANDLED_PROPERTY property will lead to the same thing: at the end
of the day we don't what the exception back in the exchange if failureHandled(true) was invoked
during handling, right? 

I am just trying to avoid using extra headers.  Maybe reset the value of FAILURE_HANDLED_PROPERTY
to null, and then check that in restoreExceptionOnExchange(), not sure yet what works best,
but the idea is to not put the exception back in the exchange.  Agree?

> DeadLetterChannel - option to mark the exchange as failure handled and that its OK
> ----------------------------------------------------------------------------------
>                 Key: CAMEL-960
>                 URL:
>             Project: Apache Camel
>          Issue Type: Improvement
>          Components: camel-core
>    Affects Versions: 1.4.0
>            Reporter: Claus Ibsen
>            Assignee: Hadrian Zbarcea
>             Fix For: 1.5.0, 2.0.0
> Currently the DeadLetterChannel sets the orignal caused exception on the exchange *after*
it has been failure handled. We should support somekind of option to enable/disable this feature.
We could support:
> - option on the endpoint to set this for all exchanges
> - support a special header key that end-users can insert per exchange to be more dynamic
> - maybe methods on Exchange to set this more easily
> - maybe some refinements in isFailureHandled() to cater for this
> And we should consider use a better keyname in the DLC where it stores the original exception.

> See nabble:
> We might need to push this for Camel 2.0 but I think it is a feature that end-users would
need sooner.
> Any thoughts, please write here?

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