java.lang.UnsupportedOperationException: Unresolved class does not support requested operation!
	at org.netbeans.modules.javacore.jmiimpl.javamodel.UnresolvedClassImpl.getResource(UnresolvedClassImpl.java:218)
	at org.netbeans.jmi.javamodel.UnresolvedClass$Impl.getResource(Unknown Source)
	at org.netbeans.modules.editor.java.JMIUtils.openElement(JMIUtils.java:550)
	at org.netbeans.modules.editor.java.NbJavaJMISyntaxSupport.openSource(NbJavaJMISyntaxSupport.java:503)
	at org.netbeans.modules.editor.java.JavaKit$JavaJMIGotoDeclarationAction.actionPerformed(JavaKit.java:335)
	at org.netbeans.editor.BaseAction.actionPerformed(BaseAction.java:169)
	at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1571)
	at javax.swing.JComponent.processKeyBinding(JComponent.java:2730)
	at javax.swing.JComponent.processKeyBindings(JComponent.java:2765)
	at javax.swing.JComponent.processKeyEvent(JComponent.java:2693)
	at java.awt.Component.processEvent(Component.java:5265)
	at java.awt.Container.processEvent(Container.java:1966)
	at java.awt.Component.dispatchEventImpl(Component.java:3955)
	at java.awt.Container.dispatchEventImpl(Container.java:2024)
	at java.awt.Component.dispatchEvent(Component.java:3803)
	at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1810)
	at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:668)
	at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:916)
	at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:794)
	at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:632)
	at java.awt.Component.dispatchEventImpl(Component.java:3841)
	at java.awt.Container.dispatchEventImpl(Container.java:2024)
	at java.awt.Window.dispatchEventImpl(Window.java:1766)
	at java.awt.Component.dispatchEvent(Component.java:3803)
[catch] at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
	at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:234)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)