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
fCurrentlyOverlaid= new ArrayList();
					if (fGeneratedAnnotations.size() > 0) {
						temporaryProblemsChanged= true;	
						removeAnnotations(fGeneratedAnnotations, false, true);
						fGeneratedAnnotations.clear();
					}
					
					if (fCollectedProblems != null && fCollectedProblems.size() > 0) {
						
						ICompilationUnit cu= getWorkingCopy(fInput);
						Iterator e= fCollectedProblems.iterator();
						while (e.hasNext()) {
							
							IProblem problem= (IProblem) e.next();
							
							if (fProgressMonitor != null && fProgressMonitor.isCanceled()) {
								isCanceled= true;
								break;
							}
								
							Position position= createPositionFromProblem(problem);
							if (position != null) {
								
								ProblemAnnotation annotation= new ProblemAnnotation(problem, cu);
								overlayMarkers(position, annotation);								
								fGeneratedAnnotations.add(annotation);
								addAnnotation(annotation, position, false);
								
								temporaryProblemsChanged= true;
							}