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
viewer.doOperation(ISourceViewer.FORMAT);
					}
				} catch (BadLocationException exception) {
					
				} finally {
					viewer.setRedraw(true);
					viewer.restoreSelection();
				}
			}
		}
	}
	
	/**
	 * Internal activation listener.
	 * @since 3.0
	 */
	private class ActivationListener extends ShellAdapter {
		/*
		 * @see org.eclipse.swt.events.ShellAdapter#shellActivated(org.eclipse.swt.events.ShellEvent)
		 */
		public void shellActivated(ShellEvent e) {
			if (fMarkOccurrenceAnnotations && isActivePart()) {
				fForcedMarkOccurrencesSelection= getSelectionProvider().getSelection();
				SelectionListenerWithASTManager.getDefault().forceSelectionChange(JavaEditor.this, (ITextSelection)fForcedMarkOccurrencesSelection);
			}
		}
		
		/*
		 * @see org.eclipse.swt.events.ShellAdapter#shellDeactivated(org.eclipse.swt.events.ShellEvent)
		 */