java.lang.NullPointerException
	at org.netbeans.modules.javacore.jmiimpl.javamodel.MetadataElement.testResourceChange(MetadataElement.java:1184)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.MetadataElement.getPosition(MetadataElement.java:519)
	at org.netbeans.modules.javacore.JMManager.getElementPosition(JMManager.java:725)
	at org.netbeans.modules.javacore.JMManager.getElementPosition(JMManager.java:711)
	at org.netbeans.modules.j2ee.common.JMIUtils$1.run(JMIUtils.java:346)
	at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:514)
[catch] at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:947)