Annotation: Exception occurred in Request Processor
java.lang.NullPointerException
	at org.netbeans.modules.java.ui.NavigationView.findElement(NavigationView.java:520)
	at org.netbeans.modules.java.ui.NavigationView.findElementNode(NavigationView.java:469)
	at org.netbeans.modules.java.ui.NavigationView.findNode(NavigationView.java:380)
	at org.netbeans.modules.java.ui.NavigationView.selectNodeImpl(NavigationView.java:352)
	at org.netbeans.modules.java.ui.NavigationView.access$100(NavigationView.java:63)
	at org.netbeans.modules.java.ui.NavigationView$2.run(NavigationView.java:309)
	at org.openide.util.Task.run(Task.java:136)
	at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:330)
[catch] at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:686)