I have following stack trace when run my application created in Project Builder :-
[JavaAppLauncher Error] CallStaticVoidMethod() threw an exception
java.lang.NoClassDefFoundError: activation/Application
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java :486)
at java.security.SecureClassLoader.defineClass(Secure ClassLoader.java:111)
at java.net.URLClassLoader.defineClass(URLClassLoader .java:248)
at java.net.URLClassLoader.access$100(URLClassLoader. java:56)
at java.net.URLClassLoader$1.run(URLClassLoader.java: 195)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.j ava:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:2 97)
at sun.misc.Launcher$AppClassLoader.loadClass(Launche r.java:286)
at java.lang.ClassLoader.loadClass(ClassLoader.java:2 53)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:195)
at com.apple.buckyball.app.CarbonLibApp.loadMainMetho d(CarbonLibApp.java)
at com.apple.buckyball.app.CarbonLibApp.main(CarbonLi bApp.java)
Exception in thread "main"
SimVectorInstaller.app has exited with status 0.
pls send me the possible reasons for the error and how to deal with such error.