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java.lang.NullPointerException at org.netbeans.modules.javanavigation.actions.OpenAction.selectElementInPane(OpenAction.java:187) at org.netbeans.modules.javanavigation.actions.OpenAction.access$000(OpenAction.java:56)[catch] at org.netbeans.modules.javanavigation.actions.OpenAction$1.run(OpenAction.java:129) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEvent(EventQueue.java:461) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242) 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)