java.lang.NullPointerException
	at org.openide.text.DocumentLine$Part.limitLength(DocumentLine.java:601)
	at org.openide.text.DocumentLine$Part.<init>(DocumentLine.java:594)
	at org.openide.text.EditorSupportLineSet$SupportLine.createPart(EditorSupportLineSet.java:89)
	at org.netbeans.modules.java.OverrideAnnotation.attachToLineSet(OverrideAnnotation.java:58)
	at org.netbeans.modules.java.OverrideAnnotation.attachToLineSet(OverrideAnnotation.java:52)
	at org.netbeans.modules.java.OverrideAnnotationSupport$1.run(OverrideAnnotationSupport.java:144)
	at org.netbeans.editor.BaseDocument.render(BaseDocument.java:1089)
	at org.netbeans.modules.java.OverrideAnnotationSupport.processOverriddenAnnotation(OverrideAnnotationSupport.java:155)
	at org.netbeans.modules.java.OverrideAnnotationSupport.processOverriddenAnnotationImpl(OverrideAnnotationSupport.java:179)
	at org.netbeans.modules.java.OverrideAnnotationSupport.access$400(OverrideAnnotationSupport.java:44)
	at org.netbeans.modules.java.OverrideAnnotationSupport$Request.computeAnnotations(OverrideAnnotationSupport.java:418)
	at org.netbeans.modules.java.OverrideAnnotationSupport$Request.run(OverrideAnnotationSupport.java:402)
	at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:471)
[catch] at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:904)