java.lang.StringIndexOutOfBoundsException: String index out of range: 9519
   at java.lang.String.substring(String.java:1963)
   at org.netbeans.modules.xml.text.completion.XMLResultItem.isRemovingAvailableLocked(XMLResultItem.java:258)
   at org.netbeans.modules.xml.text.completion.XMLResultItem.lambda$isTextRemovingAllowable$0(XMLResultItem.java:285)
   at org.netbeans.modules.xml.text.api.dom.XMLSyntaxSupport.runWithSequence(XMLSyntaxSupport.java:298)
   at org.netbeans.modules.xml.text.completion.XMLResultItem.isTextRemovingAllowable(XMLResultItem.java:285)
   at org.netbeans.modules.xml.text.completion.XMLResultItem.replaceText(XMLResultItem.java:211)
   at org.netbeans.modules.xml.text.completion.XMLResultItem.substituteText(XMLResultItem.java:320)
   at org.netbeans.modules.xml.text.completion.XMLResultItem.substituteText(XMLResultItem.java:316)
   at org.netbeans.modules.xml.text.completion.XMLResultItem.defaultAction(XMLResultItem.java:555)
   at org.netbeans.modules.editor.completion.CompletionImpl.dispatchKeyEvent(CompletionImpl.java:807)
   at org.netbeans.modules.editor.completion.CompletionImpl.keyPressed(CompletionImpl.java:409)
   at java.awt.AWTEventMulticaster.keyPressed(AWTEventMulticaster.java:250)
   at java.awt.Component.processKeyEvent(Component.java:6491)
   at javax.swing.JComponent.processKeyEvent(JComponent.java:2832)
   at java.awt.Component.processEvent(Component.java:6310)
   at java.awt.Container.processEvent(Container.java:2236)
   at java.awt.Component.dispatchEventImpl(Component.java:4889)
   at java.awt.Container.dispatchEventImpl(Container.java:2294)
   at java.awt.Component.dispatchEvent(Component.java:4711)
   at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1954)
   at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:806)
   at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:1074)
   at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:945)
   at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:771)
   at java.awt.Component.dispatchEventImpl(Component.java:4760)
   at java.awt.Container.dispatchEventImpl(Container.java:2294)
   at java.awt.Window.dispatchEventImpl(Window.java:2746)
   at java.awt.Component.dispatchEvent(Component.java:4711)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
   at java.awt.EventQueue.access$500(EventQueue.java:97)
   at java.awt.EventQueue$3.run(EventQueue.java:709)
   at java.awt.EventQueue$3.run(EventQueue.java:703)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:90)
   at java.awt.EventQueue$4.run(EventQueue.java:731)
   at java.awt.EventQueue$4.run(EventQueue.java:729)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)