[jboss-user] [JBoss Messaging] - java.lang.NoClassDefFoundError: org/jboss/logging/Logger

[chithu21]

chithu21 [https://community.jboss.org/people/chithu21] created the discussion

"java.lang.NoClassDefFoundError: org/jboss/logging/Logger"

To view the discussion, visit: https://community.jboss.org/message/740669#740669

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I have a strange problem.

I have a JMS client application & an `MDB` configured in Jboss jboss-5.1.0.GA.
Earlier i added the jar by "Configure Build Path" --> "Add External jars" and everything was working fine.

Now, I moved all the jars to a lib folder under my project and used "Configure Build Path" --> "Add jars". 

Now I get the following exception while executing the client program.  :( 

    `Exception in thread "main" java.lang.NoClassDefFoundError: org/jboss/logging/Logger
    at org.jnp.interfaces.NamingContext.<clinit>(NamingContext.java:160)
    at org.jnp.interfaces.NamingContextFactory.getInitialContext(NamingContextFactory.java:56)
    at javax.naming.spi.NamingManager.getInitialContext(Unknown Source)
    at javax.naming.InitialContext.getDefaultInitCtx(Unknown Source)
    at javax.naming.InitialContext.init(Unknown Source)
    at javax.naming.InitialContext.<init>(Unknown Source)
    at com.dcat2.messaging.sendreceive.MessageReceiver_test.sendMessage(MessageReceiver_test.java:68)
    at com.dcat2.messaging.sendreceive.MessageReceiver_test.main(MessageReceiver_test.java:57)
Caused by: java.lang.ClassNotFoundException: org.jboss.logging.Logger
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    ... 8 more'


I have jndi.properties in the classpath and the following jars.

`jbossall-client.jar
commons-logging.jar
concurrent.jar
javax.ejb.jar
jms.jar
jnp-client-4.2.2.GA.jar
log4j-1.2.16.jar
sqljdbc4.jar`

Can anyone help please....?
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