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From "Roman Kalukiewicz" <>
Subject Re: Explanation of MEPs within Camel
Date Fri, 18 Apr 2008 11:01:54 GMT
2008/4/18, James Strachan <>:
> On 17/04/2008, David Siefert <> wrote:
>  > Some updates from more investigation:
>  >
>  >  1. If I do not set the body in the output message, I get my input message
>  >  back (regardless of the header properties that were set).
> Ah - I think that currently the code assumes if no body is set then
>  the OUT is empty, so reuse the IN. I wonder if we should fix that?

In fact currently we reuse IN if there is no OUT message at all - not
when OUT [body] is empty. This way if you set a header and leave the
body empty, then this header will be propagated. If you only call
getOut() it will lazy create an empty OUT message, and it will be


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