Unhandled event loop exception

org.eclipse.swt.SWTException: Widget is disposed
	at org.eclipse.swt.SWT.error(SWT.java:3777)
	at org.eclipse.swt.SWT.error(SWT.java:3695)
	at org.eclipse.swt.SWT.error(SWT.java:3666)
	at org.eclipse.swt.widgets.Widget.error(Widget.java:463)
	at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:336)
	at org.eclipse.swt.widgets.Table.getSelection(Table.java:2452)
	at org.eclipse.jdt.internal.ui.dialogs.TypeInfoViewer.getSelection(TypeInfoViewer.java:1019)
	at org.eclipse.jdt.internal.ui.dialogs.TypeSelectionComponent.getSelection(TypeSelectionComponent.java:177)
	at org.jboss.tools.common.model.ui.attribute.editor.JavaEclipseChoicerFieldEditor.doStore(JavaEclipseChoicerFieldEditor.java:72)
	at org.jboss.tools.common.model.ui.attribute.editor.TabbedJavaChoicerFieldEditor.store(TabbedJavaChoicerFieldEditor.java:149)
	at org.jboss.tools.common.model.ui.attribute.editor.DialogCellEditorEx.openDialogBox(DialogCellEditorEx.java:141)
	at org.eclipse.jface.viewers.DialogCellEditor$2.widgetSelected(DialogCellEditor.java:244)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:228)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3823)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3422)
	at org.eclipse.jface.window.Window.runEventLoop(Window.java:825)
	at org.eclipse.jface.window.Window.open(Window.java:801)
	at org.jboss.tools.common.model.ui.wizards.query.AbstractQueryWizard.execute(AbstractQueryWizard.java:105)
	at org.jboss.tools.common.meta.action.impl.handlers.PropertiesHandler.executeHandler(PropertiesHandler.java:35)
	at org.jboss.tools.common.meta.action.impl.XActionImpl.executeHandler(XActionImpl.java:65)
	at org.jboss.tools.common.meta.action.impl.handlers.DefaultRedirectHandler.executeHandler(DefaultRedirectHandler.java:80)
	at org.jboss.tools.common.meta.action.impl.XActionImpl.executeHandler(XActionImpl.java:65)
	at org.jboss.tools.common.model.ui.action.XModelObjectAction.actionPerformed(XModelObjectAction.java:95)
	at org.jboss.tools.common.model.ui.action.XModelObjectAction$AL.widgetSelected(XModelObjectAction.java:130)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:228)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3823)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3422)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2384)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2348)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2200)
	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:495)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:288)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:490)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:193)
	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:386)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
	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:549)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:504)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1236)