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From "Christian Schneider (JIRA)" <j...@apache.org>
Subject [jira] Created: (CAMEL-2249) Wrong handling of useMessageIDAsCorrelationID
Date Wed, 02 Dec 2009 22:54:52 GMT
Wrong handling of useMessageIDAsCorrelationID
---------------------------------------------

                 Key: CAMEL-2249
                 URL: https://issues.apache.org/activemq/browse/CAMEL-2249
             Project: Apache Camel
          Issue Type: Bug
    Affects Versions: 2.0.0
            Reporter: Christian Schneider


Camel jms seems to contain two bug in correlation id handling.

The first shows when you have a sender that has UseMessageIDAsCorrelationID="false" and a
server that has UseMessageIDAsCorrelationID="true". If you send a message with correlationId="a"
then the response message will contain correlationId="<request message id>". Even if
this could be a valid behaviour as you wanted UseMessageIDAsCorrelationID="true" I donĀ“t
think it makes sense as the sender will not be able to correlate the message. So for this
case I propose to only set the correlation id to the request message id on the server if the
correlation id of the request was not set.

The second bug seems to hide the first bug. Perhaps someone found a quick (and wrong way to
make the tests work). It shows when you set UseMessageIDAsCorrelationID="true" on both client
and server. If you send a message with correlation id = "a" the client sends it out with this
correlation id. The server then sets the correlation id to the request message id (first bug).
Then on the client the reply is received. After that the correlation id is set back to "a"
on the client. So the tests think all is well. This part of the code should be removed.

I have marked both problems in the code with FIXME markers in my patch. I can also provide
a patch with the solution but first I wanted to only show the problem and provide a failing
test. 

Hope my explanations were not to confused ;-)

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