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From Claus Ibsen <>
Subject Re: Camel Aggregation : All Messages Lost from the Queue.
Date Tue, 05 Oct 2010 03:27:20 GMT
On Tue, Oct 5, 2010 at 1:16 AM, bxkrish <> wrote:
> Thanks for the reply Claus. Camel 2.0 is part of our product version and we
> will not be able to change it without releasing a different version of our
> product. I am sure 2.4 is a more stable version but Aggregation should be
> working with Camel 2.0.
> I debugged and found that the "oldExchange" is null "always" and not only
> for the first time. After handling the NullPointerException the messages
> reach the Q2 individually. However I want them to be concatenated as 1
> message. Can you please tell me what am I doing wrong?

See the wiki page

You may need to set a higher batchTimeout than the default of 1 sec.
This allows Camel more time to aggregate more messages.

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Claus Ibsen
Apache Camel Committer

Author of Camel in Action:
Open Source Integration:

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