Bug 62612 NPE in EclipsePreferences.internalGet(...)
I200405171219 + ZRH smoke plugin-export 20040518_1115 After start and shutdown of the Buildmeister runtime I found the following exception. It looks like getTextPreferenceKey() in AbstractAnnotationHover#getHoverInfo() at line 83 returned null. java.lang.NullPointerException at org.eclipse.core.internal.preferences.EclipsePreferences.internalGet(EclipsePreferences.java:479) at org.eclipse.core.internal.preferences.EclipsePreferences.get(EclipsePreferences.java:349) at org.eclipse.core.internal.preferences.PreferenceForwarder.contains(PreferenceForwarder.java:181) at org.eclipse.ui.plugin.AbstractUIPlugin$CompatibilityPreferenceStore.contains(AbstractUIPlugin.java:277) at org.eclipse.ui.texteditor.ChainedPreferenceStore.getVisibleStore(ChainedPreferenceStore.java:525) at org.eclipse.ui.texteditor.ChainedPreferenceStore.getBoolean(ChainedPreferenceStore.java:166) at org.eclipse.jdt.internal.ui.text.java.hover.AbstractAnnotationHover.getHoverInfo(AbstractAnnotationHover.java:83) at org.eclipse.jdt.internal.ui.text.java.hover.BestMatchHover.getHoverInfo(BestMatchHover.java:102) at org.eclipse.jdt.internal.ui.text.java.hover.JavaEditorTextHoverProxy.getHoverInfo(JavaEditorTextHoverProxy.java:69) at org.eclipse.jface.text.TextViewerHoverManager$4.run(TextViewerHoverManager.java:161)
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
if (fOccurrencesFinderJob != null) {
			fOccurrencesFinderJob.cancel();
			fOccurrencesFinderJob= null;
		}
		
		if (fPostSelectionListenerWithAST != null) {
			SelectionListenerWithASTManager.getDefault().removeListener(this, fPostSelectionListenerWithAST);
			fPostSelectionListenerWithAST= null;
		}
		
		removeOccurrenceAnnotations();
	}
	
	protected boolean isMarkingOccurrences() {
		return fMarkOccurrenceAnnotations;
	}
	
	boolean markOccurrencesOfType(IBinding binding) {
		
		if (binding == null)
			return false;
		
		int kind= binding.getKind();
		if (fMarkTypeOccurrences && kind == IBinding.TYPE)
			return true;
		if (fMarkMethodOccurrences && kind == IBinding.METHOD)
			return true;
		if (kind == IBinding.VARIABLE) {
			IVariableBinding variableBinding= (IVariableBinding)binding;
			if (variableBinding.isField()) {