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From "Charith Dhanushka Wickramarachchi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (QPID-3307) ClassNotfound Exception when using Qpid java client in Complex classloading Environments.
Date Wed, 22 Jun 2011 04:06:47 GMT

    [ https://issues.apache.org/jira/browse/QPID-3307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13053031#comment-13053031
] 

Charith Dhanushka Wickramarachchi commented on QPID-3307:
---------------------------------------------------------

Hi Keith ,

Thanks for the feedback. Yes you are correct i was looking at Test cases in systests/src/main/java.
As you mentioned the scenario covered by the test case i have provided is already covered
in org.apache.qpid.test.unit.client.message.ObjectMessageTest.

I see there is no unit test for Object messages in package org.apache.qpid.test.unit.client.message
to I'll add an unit test for it and provide a patch. 

thanks,
Charith

> ClassNotfound Exception when using Qpid java client in Complex classloading Environments.
 
> -------------------------------------------------------------------------------------------
>
>                 Key: QPID-3307
>                 URL: https://issues.apache.org/jira/browse/QPID-3307
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Client
>            Reporter: Charith Dhanushka Wickramarachchi
>            Priority: Critical
>         Attachments: QPID-3307_patch.txt, QPID-3307_patch.txt, QPID-3307_patch.txt, QPID-3307_patch_unit_test.txt
>
>
> Hi ,
> When we are using qpid client to receive JMSObject in complex class loading environments
like web application containers/Osgi environments .There is a scenario where this issues comes.

> Scenario. 
> In a web application container normally they use a class loader per web app. and if we
have qpid client libs at the root classloader level this error can come. The reason for this
is Serializable  Object types that are used inside the web app are not visible to the class
loader that loads the JMSObject message and unmarshall it.    
> thanks,
> Charith

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