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a java.Lang.NoClassDefFoundError exception has occured java.lang.NoClassDefFoundError at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:494) at org.openide.util.SharedClassObject.createInstancePrivileged(SharedClassObject.java:641) at org.openide.util.SharedClassObject$SetAccessibleAction.run(SharedClassObject.java:1001) at org.openide.util.SharedClassObject$SetAccessibleAction.run(SharedClassObject.java:993) at java.security.AccessController.doPrivileged(Native Method) at org.openide.util.SharedClassObject.findObject(SharedClassObject.java:515) at org.netbeans.modules.uihandler.EarlyHandler.publish(EarlyHandler.java:68) at org.netbeans.core.startup.TopLogging$LookupDel.publish(TopLogging.java:798) at java.util.logging.Logger.log(Logger.java:452) at org.netbeans.modules.project.ui.OpenProjectList.log(OpenProjectList.java:1713) at org.netbeans.modules.project.ui.OpenProjectList.access$1000(OpenProjectList.java:124) at org.netbeans.modules.project.ui.OpenProjectList$LoadOpenProjects.loadOnBackground(OpenProjectList.java:374) at org.netbeans.modules.project.ui.OpenProjectList$LoadOpenProjects.run(OpenProjectList.java:274) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:572) [catch] at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:997)
Created attachment 84264 [details] In the error messeage i said to attach this file and send the issue
Delete C:\Documents and Settings\Administrator.ANIL-VIDYA\.netbeans\6.5\config\Preferences\org\netbeans\modules\uihandler.properties and it should be OK. *** This issue has been marked as a duplicate of 164580 ***