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java.lang.ClassCastException: org.eclipse.ui.forms.widgets.TableWrapData cannot be cast to org.eclipse.swt.layout.GridData	at org.eclipse.swt.layout.GridLayout.layout(GridLayout.java:205)	at org.eclipse.swt.layout.GridLayout.computeSize(GridLayout.java:163)	at org.eclipse.swt.widgets.Composite.computeSize(Composite.java:236)	at org.eclipse.ui.forms.widgets.LayoutComposite.computeSize(LayoutComposite.java:35)	at org.eclipse.swt.layout.GridData.computeSize(GridData.java:491)	at org.eclipse.swt.layout.GridLayout.layout(GridLayout.java:218)	at org.eclipse.swt.layout.GridLayout.layout(GridLayout.java:194)	at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1194)	at org.eclipse.swt.widgets.Composite.layout(Composite.java:703)	at org.eclipse.swt.widgets.Composite.layout(Composite.java:661)	at org.eclipse.ui.forms.widgets.SizeCache.layoutIfNecessary(SizeCache.java:525)	at org.eclipse.ui.forms.widgets.SizeCache.setBounds(SizeCache.java:511)	at org.eclipse.ui.forms.widgets.Form$FormLayout.layout(Form.java:159)	at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1194)	at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1200)	at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1200)	at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1200)	at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1200)	at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1200)	at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1200)	at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1200)	at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1200)	at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1200)	at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1200)	at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1200)	at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1200)	at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1200)	at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1200)	at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1200)	at org.eclipse.swt.widgets.Composite.updateLayout(Composite.java:1200)	at org.eclipse.swt.widgets.Composite.setLayoutDeferred(Composite.java:1078)	at org.eclipse.swt.widgets.Display.runDeferredLayouts(Display.java:4000)	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3601)	at org.eclipse.jface.window.Window.runEventLoop(Window.java:825)	at org.eclipse.jface.window.Window.open(Window.java:801)	at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:334)	at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:364)	at org.eclipse.jface.dialogs.MessageDialog.openError(MessageDialog.java:431)	at com.springsource.sts.internal.ide.help.AbstractNameUrlPreferenceModel.setDefaults(AbstractNameUrlPreferenceModel.java:89)	at com.springsource.sts.internal.ide.help.AbstractNameUrlPreferenceModel.(AbstractNameUrlPreferenceModel.java:52)	at com.springsource.sts.internal.ide.help.ExampleProjectsPreferenceModel.(ExampleProjectsPreferenceModel.java:29)	at com.springsource.sts.internal.ide.help.ExampleProjectsPreferenceModel.getInstance(ExampleProjectsPreferenceModel.java:21)	at com.springsource.sts.internal.ide.help.ExampleProjectsDashboardPart.getExampleLocations(ExampleProjectsDashboardPart.java:109)	at com.springsource.sts.internal.ide.help.ExampleProjectsDashboardPart.createSampleLinks(ExampleProjectsDashboardPart.java:161)	at com.springsource.sts.internal.ide.help.ExampleProjectsDashboardPart.createPartContent(ExampleProjectsDashboardPart.java:89)	at org.springsource.ide.eclipse.dashboard.ui.AbstractDashboardPart.createControl(AbstractDashboardPart.java:39)	at org.springsource.ide.eclipse.dashboard.ui.AbstractDashboardPage.initializePart(AbstractDashboardPage.java:195)	at org.springsource.ide.eclipse.dashboard.ui.AbstractDashboardPage.access$0(AbstractDashboardPage.java:192)	at org.springsource.ide.eclipse.dashboard.ui.AbstractDashboardPage$1.run(AbstractDashboardPage.java:183)	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)	at org.springsource.ide.eclipse.dashboard.ui.AbstractDashboardPage.createParts(AbstractDashboardPage.java:166)	at org.springsource.ide.eclipse.dashboard.ui.AbstractDashboardPage.contributeParts(AbstractDashboardPage.java:157)	at org.springsource.ide.eclipse.dashboard.internal.ui.editors.DashboardMainPage.createFormContent(DashboardMainPage.java:1387)	at org.eclipse.ui.forms.editor.FormPage$1.run(FormPage.java:152)	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)	at org.eclipse.ui.forms.editor.FormPage.createPartControl(FormPage.java:150)	at org.eclipse.ui.forms.editor.FormEditor.pageChange(FormEditor.java:471)	at org.eclipse.ui.part.MultiPageEditorPart.setActivePage(MultiPageEditorPart.java:1081)	at org.eclipse.ui.forms.editor.FormEditor.setActivePage(FormEditor.java:603)	at org.eclipse.ui.forms.editor.SharedHeaderFormEditor.createPages(SharedHeaderFormEditor.java:103)	at org.eclipse.ui.part.MultiPageEditorPart.createPartControl(MultiPageEditorPart.java:358)	at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.createPartControl(CompatibilityPart.java:129)	at org.eclipse.ui.internal.e4.compatibility.CompatibilityEditor.createPartControl(CompatibilityEditor.java:95)	at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.create(CompatibilityPart.java:300)	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.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56)	at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:857)	at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:837)	at org.eclipse.e4.core.internal.di.InjectorImpl.inject(InjectorImpl.java:111)	at org.eclipse.e4.core.internal.di.InjectorImpl.internalMake(InjectorImpl.java:318)	at org.eclipse.e4.core.internal.di.InjectorImpl.make(InjectorImpl.java:240)	at org.eclipse.e4.core.contexts.ContextInjectionFactory.make(ContextInjectionFactory.java:161)	at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.createFromBundle(ReflectionContributionFactory.java:102)	at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.doCreate(ReflectionContributionFactory.java:71)	at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.create(ReflectionContributionFactory.java:53)	at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.createWidget(ContributedPartRenderer.java:141)	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createWidget(PartRenderingEngine.java:888)	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:622)	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:724)	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$2(PartRenderingEngine.java:695)	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.run(PartRenderingEngine.java:689)	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:674)	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl$1.handleEvent(PartServiceImpl.java:90)	at org.eclipse.e4.ui.services.internal.events.UIEventHandler$1.run(UIEventHandler.java:41)	at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:180)	at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:150)	at org.eclipse.swt.widgets.Display.syncExec(Display.java:4597)	at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:187)	at org.eclipse.e4.ui.services.internal.events.UIEventHandler.handleEvent(UIEventHandler.java:38)	at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:197)	at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:197)	at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1)	at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)	at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)	at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:135)	at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:78)	at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:39)	at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:81)	at org.eclipse.e4.ui.internal.workbench.UIEventPublisher.notifyChanged(UIEventPublisher.java:57)	at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:374)	at org.eclipse.e4.ui.model.application.ui.impl.ElementContainerImpl.setSelectedElement(ElementContainerImpl.java:171)	at org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.showElementInWindow(ModelServiceImpl.java:418)	at org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.bringToTop(ModelServiceImpl.java:385)	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.delegateBringToTop(PartServiceImpl.java:578)	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.bringToTop(PartServiceImpl.java:314)	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.showPart(PartServiceImpl.java:962)	at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:3071)	at org.eclipse.ui.internal.WorkbenchPage.access$21(WorkbenchPage.java:2996)	at org.eclipse.ui.internal.WorkbenchPage$8.run(WorkbenchPage.java:2978)	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2974)	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2933)	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2916)	at org.springsource.ide.eclipse.dashboard.ui.actions.ShowDashboardPageAction.run(ShowDashboardPageAction.java:62)	at org.springsource.ide.eclipse.dashboard.internal.ui.IdeUiPlugin$1$1.run(IdeUiPlugin.java:92)	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3940)	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3617)	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1021)	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:915)	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:86)	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:585)	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:540)	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:1438)