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khandaker
Post subject: java.lang.UnsupportedClassVersionError: Bad version number  PostPosted: Oct 28, 2007 - 01:31 PM
Veteran Member
Veteran Member


Joined: Apr 18, 2006
Posts: 1

Hello,
I hava a sample java program as followings: and when I run it I am getting an error like this


package com.assetabroad.buldemail;

public class Test {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
System.out.println("Testing");
}

}

java.lang.UnsupportedClassVersionError: Bad version number in .class file
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(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)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
Exception in thread "main"
 
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support-nipun
Post subject: RE: java.lang.UnsupportedClassVersionError: Bad version numb  PostPosted: Oct 29, 2007 - 03:15 PM
Registered Member
Registered Member


Joined: Apr 18, 2007
Posts: 8012

Which JDK version are you working with? It looks like you probably compiled your project as using a different JDK version, and running it using a different version. Open your project properties and go to Java Compiler, and make sure your settings are for the correct Java version.

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Nipun
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