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From "Charith Dhanushka Wickramarachchi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (QPID-3307) ClassNotfound Exception when using Qpid java client in Complex classloading Environments.
Date Mon, 20 Jun 2011 09:44:48 GMT

     [ https://issues.apache.org/jira/browse/QPID-3307?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Charith Dhanushka Wickramarachchi updated QPID-3307:
----------------------------------------------------

    Attachment: QPID-3307_patch_unit_test.txt

Hi , 

I'm attaching an unit test case which will send receive an Object Message which have a custom
Serializable Type inside.In that case the ObjectInputStream i have provided will be used.
To re-create the exact class loading scenario I'll have to find a way to simulate that kind
of class loading environment within the Unit test. I'll have to think through it on how to
implement that.

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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