Bug 40347 [misc] Renaming a project with an open editor fills log
I20030716+plugin-export 1) have a Java file open in the Java editor 2) rename the enclosing project -> exception in log but no stacktrace
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/CompilationUnitDocumentProvider.java
public void setProgressMonitor(IProgressMonitor monitor) {
				fProgressMonitor= monitor;
			}
			
			/*
			 * @see IProblemRequestorExtension#setIsActive(boolean)
			 */
			public void setIsActive(boolean isActive) {
				if (fIsActive != isActive) {
					fIsActive= isActive;
					if (fIsActive)
						startCollectingProblems();
					else
						stopCollectingProblems();
				}
			}
			
			private Object getAnnotations(Position position) {
				return fReverseMap.get(position);
			}
						
			/*
			 * @see AnnotationModel#addAnnotation(Annotation, Position, boolean)
			 */
			protected void addAnnotation(Annotation annotation, Position position, boolean fireModelChanged) {
				fCurrentEvent.annotationAdded(annotation);
				super.addAnnotation(annotation, position, fireModelChanged);
				
				Object cached= fReverseMap.get(position);
				if (cached == null)