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From Allen Lau <allen....@gmail.com>
Subject Re: error-handling advice with queues
Date Tue, 23 Mar 2010 21:25:52 GMT
How about just setting a header when you are done processing and there is an
error?

Then in your route, just send any message to the error queue when the header
is detected.

On Tue, Mar 23, 2010 at 11:57 AM, jfaath <jfaath@apache.org> wrote:

>
> I'm looking for some advice on how to deal with errors during a large
> processing task.  It seems like it should be simple but I'm having trouble
> figuring out what to do.
>
> I have an HTTP endpoint that receives XML messages then sticks them in a
> processing queue.  From the queue, they get unmarshalled into JAXB objects
> and then processed by a Java class.  Now, the messages consist or a large
> number of readings.  Some may be good, some may be bad.  The good ones get
> processed, but the bad ones are stuffed into a JAXB object.
>
> When the processing is done, I'd like to throw this object on an error
> queue
> (or, marshal then throw on the queue).  But I can't figure out how to do
> this the best way.  The processing class should exit gracefully so I don't
> want to throw a final exception.
>
> What might be the best way to do this?  Can I add the error object to a
> queue programmatically within the processor?  Can the processor return the
> error object so I can throw it on the queue via the route?  Is there a nice
> and easy way to do this?
>
> Thanks,
>
> JF
> --
> View this message in context:
> http://old.nabble.com/error-handling-advice-with-queues-tp28005566p28005566.html
> Sent from the Camel - Users mailing list archive at Nabble.com.
>
>

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