Hi
Yes I think you can using the ExceptionPolicyStrategy (se overriding default
behaviour)
http://activemq.apache.org/camel/error-handler.html
You can either implement the logic in your own class (for really advanced
stuff, or you need to be 100% in control what to do), or use the default
behavior, that will look for the best matching exception route or fallback to
the default error endpoint configured on the DeadLetterChannel.
The matching will look for: exception(TheExceptionClass.class) where you can
customize the behaviour, e.g. setting a different retry and where to route it
in case of redelivery failures.
exception(MyPolicyException.class)
.maximumRedeliveries(1)
.setHeader(MESSAGE_INFO, constant("Damm my policy exception"))
.to(ERROR_QUEUE);
Notice that we will change exception to onException in Camel 1.5 as this is a
better name for the DSL. It is in fact named onException in the Spring DSL.
So in your case you can do like this:
exception(MySpecialException.class)
.maximumRedeliveries(0)
.to("the endpoint URL that started it");
So when a MySpecialException is thrown its caught by the above configuration
and routed to the ""the endpoint URL that started it". All other exceptions is
handled by the default DeadLetterChannel.
We might need to clean up the wiki and add some better samples for this.
Could you try it and report back if it worked. Then we could use your use-case
as a sample to add to the wiki
Med venlig hilsen
Claus Ibsen
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-----Original Message-----
From: Markus Wolf [mailto:[EMAIL PROTECTED]
Sent: 2. oktober 2008 11:23
To: camel-user@activemq.apache.org
Subject: ErrorHandler + DeadLetter
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Hi,
is it possible to create a route where some exceptions are handled by
the deadletter queue and some other just returned to the starting endpoint?
I've only found examples where all errors are handed over to the
deadletter endpoint.
Thanks for any help
Markus Wolf
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