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 int getId() {
				return isProblem() ? fProblem.getID() : -1;
			}
			/*
			 * @see IJavaAnnotation#isProblem()
			 */
			public boolean isProblem() {
				return  fType == AnnotationType.WARNING || fType == AnnotationType.ERROR;
			}
			
			/*
			 * @see IJavaAnnotation#isRelevant()
			 */
			public boolean isRelevant() {
				return true;
			}
			
			/*
			 * @see IJavaAnnotation#hasOverlay()
			 */
			public boolean hasOverlay() {
				return false;
			}
			
			/*
			 * @see IJavaAnnotation#addOverlaid(IJavaAnnotation)
			 */
			public void addOverlaid(IJavaAnnotation annotation) {
				if (fOverlaids == null)