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JAVA Exception in main thread java.lang.NoDefFounderror: net/…/AbstractClock

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By User



I have a clock program as AbstractClock.java in C:\Users\Neeraj\Prg folder .





CLASSPATH is specified as C:\Users\Neeraj\Prg





COMPILED javac AbstractClock.java with no errors.





RUN AS java -cp . net.sf.fmj.ejmf.toolkit.media.AbstractClock





Getting errors as





Exception in thread "main" java.lang.NoClassDefFoundError: net/sf/fmj/ejmf/toolkit/media/AbstractClock

Caused by: java.lang.ClassNotFoundException: net/sf/fmj/ejmf/toolkit/media/AbstractClock

    at java.net.URLClassLoader$1.run(URLClassLoader.java:202)

    at java.security.AccessController.doPrivileged(Native Method)

    at java.net.URLClassLoader.findClass(URLClassLoader.java:190)

    at java.lang.ClassLoader.loadClass(ClassLoader.java:307)

    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:315)

    at java.lang.ClassLoader.loadClass(ClassLoader.java:248)

    at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)

Could not find the main class: com.hib.TranslateSQL.  Program will exit.





PROGRAM:-







package net.sf.fmj.ejmf.toolkit.media;



import java.lang.*;

import javax.media.Clock;

import javax.media.Time;



import javax.media.TimeBase;



public class AbstractClock implements Clock {



    private TimeBase systemtimebase = Manager.getSystemTimeBase();



    public AbstractClock() { super(); }



    ///REST ALL METHODS

}







I am running this in commandprompt in Windows. I have seen other posts and changed classpath and run command, but still error occurs.Please provide steps suitable for running in windows in command prompt to rectify this mistake.


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Comments

  1. Tips For AllFebruary 28, 2012 at 7:23 AM

    Is you java file in C:\Users\Neeraj\Prg or is it in C:\Users\Neeraj\Prg\net\sf\fmj\ejmf\toolkit\media\ ?
    Packages in java are related to directories. So your classpath is the top level directory in which packages live. A class with the package name net.sf.fmj.ejmf.toolkit should be in that directory.

    ReplyDelete
  2. AnonymousFebruary 28, 2012 at 7:48 AM

    Since javax.media package was needed, i installed the same. I think Maybe net.sf.fmj.ejmf.toolkit package is present in javax.media.

    Program files has JAVA and JMF directories.So should i include both in the classpath.

    ReplyDelete

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