java.lang.IllegalStateException: Current state = FLUSHED, new state = CODING_END
   at java.nio.charset.CharsetEncoder.throwIllegalStateException(CharsetEncoder.java:968)
   at java.nio.charset.CharsetEncoder.encode(CharsetEncoder.java:554)
   at org.netbeans.api.queries.FileEncodingQuery$ProxyCharset$ProxyEncoder.implFlush(FileEncodingQuery.java:432)
   at java.nio.charset.CharsetEncoder.flush(CharsetEncoder.java:650)
   at java.nio.charset.CharsetEncoder.encode(CharsetEncoder.java:786)
   at java.nio.charset.CharsetEncoder.canEncode(CharsetEncoder.java:892)
   at java.nio.charset.CharsetEncoder.canEncode(CharsetEncoder.java:961)
   at org.netbeans.modules.xml.text.TextEditorSupport.saveDocument(TextEditorSupport.java:398)
   at org.netbeans.core.spi.multiview.text.MultiViewCloneableEditor$1.actionPerformed(MultiViewCloneableEditor.java:238)
   at org.netbeans.core.spi.multiview.MultiViewFactory$DefaultCloseHandler.resolveCloseOperation(MultiViewFactory.java:301)
   at org.netbeans.core.multiview.MultiViewPeer.canClose(MultiViewPeer.java:680)
   at org.netbeans.core.multiview.MultiViewCloneableTopComponent.closeLast(MultiViewCloneableTopComponent.java:317)
   at org.openide.windows.CloneableTopComponent$Ref.unregister(CloneableTopComponent.java:412)
   at org.openide.windows.CloneableTopComponent$Ref.access$300(CloneableTopComponent.java:276)
   at org.openide.windows.CloneableTopComponent.canClose(CloneableTopComponent.java:215)
   at org.netbeans.core.windows.Central.removeModeTopComponent(Central.java:978)
   at org.netbeans.core.windows.ModeImpl.removeTopComponent(ModeImpl.java:478)
   at org.netbeans.core.windows.ModeImpl.close(ModeImpl.java:286)
   at org.netbeans.core.windows.WindowManagerImpl.topComponentClose(WindowManagerImpl.java:1310)
   at org.openide.windows.TopComponent.close(TopComponent.java:561)
   at org.openide.windows.TopComponent.close(TopComponent.java:548)
   at org.netbeans.core.windows.actions.ActionUtils.closeWindow(ActionUtils.java:554)
   at org.netbeans.core.windows.actions.CloseWindowAction$2.run(CloseWindowAction.java:112)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:721)
   at java.awt.EventQueue.access$200(EventQueue.java:103)
   at java.awt.EventQueue$3.run(EventQueue.java:682)
   at java.awt.EventQueue$3.run(EventQueue.java:680)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:691)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:158)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:244)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:163)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:147)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:139)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:97)