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This bug was originally marked as duplicate of bug 177914, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 7.0 (Build 201104080000) VM: Java HotSpot(TM) 64-Bit Server VM, 20.0-b11, Java(TM) SE Runtime Environment, 1.6.0_25-b06 OS: Linux User Comments: jocke: editing java file Stacktrace: java.lang.NullPointerException at org.netbeans.modules.editor.hints.AnnotationHolder.insertUpdate(AnnotationHolder.java:329) at org.netbeans.lib.editor.util.swing.PriorityDocumentListenerList.insertUpdate(PriorityDocumentListenerList.java:85) at javax.swing.text.AbstractDocument.fireInsertUpdate(AbstractDocument.java:185) at org.netbeans.editor.BaseDocument.fireInsertUpdate(BaseDocument.java:1670) at org.netbeans.editor.BaseDocumentEvent.undo(BaseDocumentEvent.java:293) at org.netbeans.editor.GuardedDocumentEvent.undo(GuardedDocumentEvent.java:72)
Created attachment 108536 [details] stacktrace
I have prevented this exception in bug #180222 - the fix should be part of NB7.0.1. *** This bug has been marked as a duplicate of bug 180222 ***