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Exception while running eclipse in TestNG frame work - java.lang.NoClassDefFoundError

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I has to run Selenium in TestNG Frame work : Steps I had followed are,

1) Added TestNG to my Eclipse, From Help : New installation > http://beust.com/eclipse. (As my version of eclipse is :4.3.2)

2) Let's take some sample program as :

package TestNG;

import org.testng.annotations.Test;

public class Annotations {      
    @Test
    public void action()    {
        System.out.println("Test");     
    }
}
3) added TestNG libraries.

4) And now while executing this, am facing an exception as follows:

Couldn't contact the RemoteTestNG Client. Make sure you don't have an
older version of testing.jar in your class path

Reason:Timeout wile trying to contact remote TestNG.
and in Console :

Exception in thread "main" java.lang.NoClassDefFoundError:
com/beust/jcommander/ParameterException     at
java.lang.Class.getDeclaredMethods0(Native Method)  at
java.lang.Class.privateGetDeclaredMethods(Unknown Source)   at
java.lang.Class.getMethod0(Unknown Source)  at
java.lang.Class.getMethod(Unknown Source)   at
sun.launcher.LauncherHelper.getMainMethod(Unknown Source)   at
sun.launcher.LauncherHelper.checkAndLoadMain(Unknown Source) Caused
by: java.lang.ClassNotFoundException:
com.beust.jcommander.ParameterException     at
java.net.URLClassLoader$1.run(Unknown Source)   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)     ... 6 more
Can anyone have a look on this n provide me some tips to solve this

1 Answer

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Best answer
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Kindly update your classpath with adding JDK.

Also try to update your classpath with proper version of TestNG libraries.
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