There's http://docs.oracle.com/javase/6/docs/api/java/lang/IllegalStateException.html http://docs.oracle.com/javase/6/docs/api/java/lang/IllegalSt... that could

There's http://docs.oracle.com/javase/6/docs/api/java/lang/IllegalStateException.html http://docs.oracle.com/javase/6/docs/api/java/lang/IllegalSt... that could be used in this case.