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From Bilgin Ibryam <>
Subject Re: Custom error handler for logging + dlq + riemann
Date Wed, 10 Jul 2013 16:13:07 GMT
Hi Frazer,

you can get access the exception from the exchange property:


On 10 July 2013 11:53, Frazer Irving <> wrote:

> Hi,
> I'm trying to create an error handler that sends messages to a DLQ, sends
> events to riemann and logs the error with a stack trace. I have done
> something like the following.
> public RiemannSendProcessor extends SendProcessor {
>   public void process (Exchange exchange, AsyncCallback callback) {
>     // send events to riemann
>     ...
>     super.process(exchange, callback)
>   }
> }
> class RiemannErrorHandlerBuilder extends DeadLetterChannelBuilder {
>   public Processor getFailureProcessor () {
>     new RiemannSendProcessor();
>   }
> }
> (I am translating the above from clojure, so forgive me if this is not
> quite valid java code).
> My problem is that I would like to get a reference to the exception that
> caused the error handler to fire, and to log that out. I see there is a
> LoggingErrorHandler but if I subclass that I think I will lose the DLQ
> functionality. Can anyone advise me on how to approach this problem.
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