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This bug was originally marked as duplicate of bug 252441, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE Dev (Build 201508280002) VM: Java HotSpot(TM) 64-Bit Server VM, 25.51-b03, Java(TM) SE Runtime Environment, 1.8.0_51-b16 OS: Windows 7 User Comments: GUEST: Switched from browser back to Netbeans and got this error. Stacktrace: java.lang.NullPointerException at org.netbeans.modules.xml.text.navigator.NavigatorContent.selectCurrentNode(NavigatorContent.java:190) at org.netbeans.modules.xml.text.navigator.NavigatorContent.caretUpdate(NavigatorContent.java:173) at javax.swing.text.JTextComponent.fireCaretUpdate(JTextComponent.java:397) at javax.swing.text.JTextComponent$MutableCaretEvent.fire(JTextComponent.java:4394) at javax.swing.text.JTextComponent$MutableCaretEvent.stateChanged(JTextComponent.java:4416) at org.netbeans.editor.BaseCaret$5.run(BaseCaret.java:961)
Created attachment 156158 [details] stacktrace
*** This bug has been marked as a duplicate of bug 252717 ***