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Weblogic 9.2, JMS and standalone producers and consumers

Aoife Kavanagh
Greenhorn

Joined: Feb 28, 2005
Posts: 16
Hi,

I'm just wondering if anybody has come across. I have an application that works fine with Weblogic 8.1.2 but doesn't even start up when run against 9.2. Basically I have created all my JMS resources on Weblogic (queues, distributed queues, QCF etc). I then have a standalone Java application that starts up and uses the JMS resources offered by Weblogic to receive/send messages. This is fine with 8.1.2 but with 9.2 my application, when attempting to retreive the InitialContext gets the exception:
java.lang.VerifyError: class weblogic.utils.classloaders.GenericClassLoader overrides final method ☺.☺
at java.lang.ClassLoader.defineClass0(Native Method)
...

My JMS module is in a clustered environment containing a single admin server and a single managed server. My standalone application is built and runs with JDK 1.4.2_06 while my Weblogic cluster uses Sun JDK 1.5_04.

Just wondering if anybody has come across this or has an idea as to what might be going on. Thanks. {full stack trace below}
Aoife

java.lang.VerifyError: class weblogic.utils.classloaders.GenericClassLoader overrides final method ☺
.☺
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:539)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:251)
at java.net.URLClassLoader.access$100(URLClassLoader.java:55)
at java.net.URLClassLoader$1.run(URLClassLoader.java:194)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:187)
at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:274)
at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
at weblogic.jndi.WLInitialContextFactoryDelegate.<clinit>(WLInitialContextFactoryDelegate.java:204)
at weblogic.jndi.spi.EnvironmentManager$DefaultFactoryMaker.<clinit>(EnvironmentManager.java:26)
at weblogic.jndi.spi.EnvironmentManager.getInstance(EnvironmentManager.java:48)
at weblogic.jndi.Environment.getContext(Environment.java:307)
at weblogic.jndi.Environment.getContext(Environment.java:277)
at weblogic.jndi.WLInitialContextFactory.getInitialContext(WLInitialContextFactory.java:117)

at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:662)
at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:243)
at javax.naming.InitialContext.init(InitialContext.java:219)
at javax.naming.InitialContext.<init>(InitialContext.java:195)
at com.fineos.ta.services.mom.soap.transport.WeblogicTransport.initInitialContext(WeblogicTransport.java:200)
Carol Enderlin
drifter
Ranch Hand

Joined: Oct 10, 2000
Posts: 1364
Have you looked at the 9.2 Upgrade Guide?
Ram Mmurthy
Greenhorn

Joined: Jul 12, 2004
Posts: 26
Hi

I ran into the same issue, and had to update the CLASSPATH to include the wlclient.jar file instead of the weblogic.jar file

http://forums.bea.com/bea/message.jspa?messageID=600047106&tstart=0

The problem was resolved after making the above change.
 
It is sorta covered in the JavaRanch Style Guide.
 
subject: Weblogic 9.2, JMS and standalone producers and consumers
 
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