java.lang.NullPointerException
	at org.jboss.tools.vpe.editor.VpeController.sourceSelectionChanged(VpeController.java:521)
	at org.jboss.tools.vpe.editor.VpeController.sourceSelectionChanged(VpeController.java:463)
	at org.jboss.tools.vpe.editor.VpeEditorPart.setVisualMode(VpeEditorPart.java:398)
	at org.jboss.tools.jst.jsp.jspeditor.JSPMultiPageEditor.pageChange(JSPMultiPageEditor.java:217)
	at org.jboss.tools.jst.jsp.jspeditor.JSPMultiPageEditorPart$2.widgetSelected(JSPMultiPageEditorPart.java:105)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:227)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:938)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:962)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:947)
	at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:706)
	at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:3227)
	at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:2005)
	at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:316)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:938)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3682)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3293)
	at org.eclipse.jface.window.Window.runEventLoop(Window.java:820)
	at org.eclipse.jface.window.Window.open(Window.java:796)
	at org.eclipse.pde.internal.runtime.logview.EventDetailsDialog.open(EventDetailsDialog.java:184)
	at org.eclipse.pde.internal.runtime.logview.EventDetailsDialogAction.run(EventDetailsDialogAction.java:91)
	at org.eclipse.pde.internal.runtime.logview.LogView$12.doubleClick(LogView.java:394)
	at org.eclipse.jface.viewers.StructuredViewer$1.run(StructuredViewer.java:799)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
	at org.eclipse.core.runtime.Platform.run(Platform.java:857)
	at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:46)
	at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:199)
	at org.eclipse.jface.viewers.StructuredViewer.fireDoubleClick(StructuredViewer.java:797)
	at org.eclipse.jface.viewers.AbstractTreeViewer.handleDoubleSelect(AbstractTreeViewer.java:1387)
	at org.eclipse.jface.viewers.StructuredViewer$4.widgetDefaultSelected(StructuredViewer.java:1173)
	at org.eclipse.jface.util.OpenStrategy.fireDefaultSelectionEvent(OpenStrategy.java:237)
	at org.eclipse.jface.util.OpenStrategy.access$0(OpenStrategy.java:234)
	at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:295)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:938)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3682)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3293)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2389)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2353)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2219)
	at org.eclipse.ui.internal.Workbench$4.run(Workbench.java:466)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:289)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:461)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:106)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:169)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:106)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:76)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:363)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:176)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:508)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:447)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1173)