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
if (unit != null && unit.getJavaProject().isOnClasspath(unit))
					fCollectedProblems= new ArrayList();
				else
					fCollectedProblems= null;
			}
			
			/*
			 * @see IProblemRequestor#acceptProblem(IProblem)
			 */
			public void acceptProblem(IProblem problem) {
				if (isActive())
					fCollectedProblems.add(problem);
			}
			/*
			 * @see IProblemRequestor#endReporting()
			 */
			public void endReporting() {
				if (!isActive())
					return;
					
				if (fProgressMonitor != null && fProgressMonitor.isCanceled())
					return;
					
				
				boolean isCanceled= false;
				boolean temporaryProblemsChanged= false;
				
				synchronized (fAnnotations) {
					
					fPreviouslyOverlaid= fCurrentlyOverlaid;