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MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » ClassNotFound Exception in runtime

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geethgubi
PostPosted: Fri Aug 21, 2009 7:14 am    Post subject: ClassNotFound Exception in runtime Reply with quote

Apprentice

Joined: 18 Dec 2008
Posts: 44
Hi All,

I have a java (JCN node) implementation in my Broker code which is working fine on my local broker environment.

However, I am facing an issue when I am deploying it to the development environment for which the runtime broker is on UNIX platform.

Below is the exception:

"BIP4395E: Java exception: 'java.lang.ClassNotFoundException'; thrown from class name: 'java.net.URLClassLoader', method name: 'findClass', file: 'URLClassLoader.java', line: '493'


The message contains that data associated with a Java exception.

No user action required."

I somehow feel that this is an issue related to the runtime broker environment and thus should work fine if the broker on the UNIX platform is checked for this possible cause.

One more clue is that the jar file created as part of the build is empty. I doesnot contain any of our java classes (.class files corresponding to java code) but the bar file contains the compile message flows and the jar file (jar file contains the .classpath file and the .project file). did someone face similar issue? What did you do for it.
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WMBDEV1
PostPosted: Sat Aug 22, 2009 1:03 pm    Post subject: Reply with quote

Sentinel

Joined: 05 Mar 2009
Posts: 888
Location: UK
First thing id check is whether the java file being compiled in your toolkit such that you get a .class file. Is the java file in the same project as the flow or in a standalone java project?
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gautamtandon
PostPosted: Mon Aug 24, 2009 11:01 am    Post subject: Reply with quote

Newbie

Joined: 24 Aug 2009
Posts: 1
You might want to make sure you are using the correct jar dependency. I think it's one of the org.osgi.foundation jars.

You can easily search and download it from ellipsissolutions / xray utility. Just look it up in google, you'll find it.

Hope this helps.
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