java.lang.NullPointerException
	at java.util.Hashtable.put(Hashtable.java:542)
	at org.jboss.tools.jst.jsp.contentassist.computers.XmlTagCompletionProposalComputer$NameSpaceInserter.run(XmlTagCompletionProposalComputer.java:720)
	at org.jboss.tools.jst.jsp.contentassist.AutoContentAssistantProposal.apply(AutoContentAssistantProposal.java:79)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup.insertProposal(CompletionProposalPopup.java:940)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup.insertSelectedProposalWithMask(CompletionProposalPopup.java:891)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup.verifyKey(CompletionProposalPopup.java:1323)
	at org.eclipse.jface.text.contentassist.ContentAssistant$InternalListener.verifyKey(ContentAssistant.java:808)
	at org.eclipse.jface.text.TextViewer$VerifyKeyListenersManager.verifyKey(TextViewer.java:491)
	at org.eclipse.swt.custom.StyledTextListener.handleEvent(StyledTextListener.java:65)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1392)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1416)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1401)
	at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1187)
	at org.eclipse.swt.custom.StyledText.handleKeyDown(StyledText.java:5942)
	at org.eclipse.swt.custom.StyledText$7.handleEvent(StyledText.java:5639)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1392)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1416)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1401)
	at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1428)
	at org.eclipse.swt.widgets.Widget.gtk_key_press_event(Widget.java:829)
	at org.eclipse.swt.widgets.Control.gtk_key_press_event(Control.java:3180)
	at org.eclipse.swt.widgets.Composite.gtk_key_press_event(Composite.java:758)
	at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2092)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:5334)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4532)
	at org.eclipse.swt.internal.gtk.OS._gtk_main_do_event(Native Method)
	at org.eclipse.swt.internal.gtk.OS.gtk_main_do_event(OS.java:8549)
	at org.eclipse.swt.widgets.Display.eventProc(Display.java:1241)
	at org.eclipse.swt.internal.gtk.OS._g_main_context_iteration(Native Method)
	at org.eclipse.swt.internal.gtk.OS.g_main_context_iteration(OS.java:2281)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3324)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1049)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:939)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:79)
	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:587)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:542)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:353)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:629)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1443)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1419)