[jboss-user] [Management, JMX/JBoss] - Can Not run "twiddle". Bug of 4.0.5?

vola do-not-reply at jboss.com
Wed Aug 22 19:25:47 EDT 2007

Hello everyone,

I am trying to learn how to use JBoss's JMX funtionalities to monitor my application. In the "JBoss Application Server Guide", it says to call "bin\twiddle" to get access to the JMX. However, once I run "twiddle", there will be an exception:

Exception in thread "main" java.lang.NoClassDefFoundError: org/jboss/util/Nested
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:620)

My JBoss version is: 4.0.5.GA
JDK is:

In http://jira.jboss.com/jira/browse/JBAS-3382?page=all, it talks about this problem with version 5.0.0. It says add "client/jboss-common.jar" to classpath. 

First of all, in 4.0.5, "jboss-common.jar" is in "lib" not "client". So I tried to add "lib/jboss-common.jar" to classpath. But still can not solve the problem.

Does expert know how this problem can be solved? Thank you very much

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