Bug 33512 NPE in JavaOutlinePage.getMainType
Build: 2.1 RC1 I found the following in my log file today. I don't know how it happened, and it only happened the once: java.lang.NullPointerException at org.eclipse.jdt.internal.ui.javaeditor.JavaOutlinePage.getMainType(JavaOutlinePage.java:795) at org.eclipse.jdt.internal.ui.javaeditor.JavaOutlinePage$1.run(JavaOutlinePage.java:150) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java(Compiled Code)) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java(Compiled Code)) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java(Compiled Code)) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java(Compiled Code)) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java(Compiled Code)) at org.eclipse.ui.internal.Workbench.run(Workbench.java:1254) at org.eclipse.core.internal.boot.InternalBootLoader.run(InternalBootLoader.java:845) at org.eclipse.core.boot.BootLoader.run(BootLoader.java:461) at java.lang.reflect.Method.invoke(Native Method) at org.eclipse.core.launcher.Main.basicRun(Main.java:247) at org.eclipse.core.launcher.Main.run(Main.java:703) at org.eclipse.core.launcher.Main.main(Main.java:539)
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaOutlinePage.java
}
			private void setTopLevelTypeOnly(boolean show) {
				fTopLevelTypeOnly= show;
				setChecked(show);
				fOutlineViewer.refresh(false);
				
				IPreferenceStore preferenceStore= JavaPlugin.getDefault().getPreferenceStore(); 
				preferenceStore.setValue("GoIntoTopLevelTypeAction.isChecked", show); 
			}
		};
	
	private boolean fTopLevelTypeOnly;
			
	private IJavaElement fInput;
	private String fContextMenuID;
	private Menu fMenu;
	private JavaOutlineViewer fOutlineViewer;
	private JavaEditor fEditor;
	
	private MemberFilterActionGroup fMemberFilterActionGroup;
		
	private ListenerList fSelectionChangedListeners= new ListenerList();
	private Hashtable fActions= new Hashtable();
	
	private TogglePresentationAction fTogglePresentation;
	private GotoErrorAction fPreviousError;
	private GotoErrorAction fNextError;
	private TextEditorAction fShowJavadoc;
	private TextOperationAction fUndo;
	private TextOperationAction fRedo;