[jbosstools-issues] [JBoss JIRA] (JBIDE-14755) Closing Selection Tag Bar in VPE throws NullPointerException

[Denis Golovin (JIRA)]

Denis Golovin created JBIDE-14755:
-------------------------------------

             Summary: Closing Selection Tag Bar in VPE throws NullPointerException
                 Key: JBIDE-14755
                 URL: https://issues.jboss.org/browse/JBIDE-14755
             Project: Tools (JBoss Tools)
          Issue Type: Bug
          Components: Visual Page Editor core
    Affects Versions: 4.1.0.Beta2
         Environment: Linux, x86_64
            Reporter: Denis Golovin


{code}java.lang.NullPointerException
	at org.jboss.tools.vpe.editor.mozilla.MozillaEditor$12.propertyChange(MozillaEditor.java:510)
	at org.eclipse.ui.preferences.ScopedPreferenceStore$3.run(ScopedPreferenceStore.java:375)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.ui.preferences.ScopedPreferenceStore.firePropertyChangeEvent(ScopedPreferenceStore.java:372)
	at org.eclipse.ui.preferences.ScopedPreferenceStore.setValue(ScopedPreferenceStore.java:813)
	at org.eclipse.jface.preference.BooleanFieldEditor.doStore(BooleanFieldEditor.java:178)
	at org.eclipse.jface.preference.FieldEditor.store(FieldEditor.java:680)
	at org.eclipse.jface.preference.FieldEditorPreferencePage.performOk(FieldEditorPreferencePage.java:343)
	at org.jboss.tools.vpe.editor.preferences.VpePreferencesPage.performOk(VpePreferencesPage.java:171)
	at org.eclipse.jface.preference.PreferencePage.performApply(PreferencePage.java:432)
	at org.eclipse.jface.preference.PreferencePage$2.widgetSelected(PreferencePage.java:281)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:248)
	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.Display.runDeferredEvents(Display.java:3742)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3363)
	at org.eclipse.jface.window.Window.runEventLoop(Window.java:826)
	at org.eclipse.jface.window.Window.open(Window.java:802)
	at org.eclipse.ui.internal.dialogs.WorkbenchPreferenceDialog.open(WorkbenchPreferenceDialog.java:215)
	at org.eclipse.ui.internal.OpenPreferencesAction.run(OpenPreferencesAction.java:65)
	at org.eclipse.jface.action.Action.runWithEvent(Action.java:499)
	at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584)
	at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501)
	at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411)
	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.Display.runDeferredEvents(Display.java:3742)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3363)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1113)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:997)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:138)
	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:610)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:567)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
	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:354)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181)
	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:636)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1450)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1426){code}

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