student.hbm.xml 自动创建后无法打开

java.lang.NullPointerException

at org.jboss.tools.common.model.ui.action.ModelContributionManager.getSelectedModelObjects(ModelContributionManager.java:68)

at org.jboss.tools.common.model.ui.action.ModelContributionManager.update(ModelContributionManager.java:49)

at org.eclipse.jface.action.MenuManager.update(MenuManager.java:665)

at org.eclipse.e4.ui.workbench.renderers.swt.MenuManagerRenderer.scheduleManagerUpdate(MenuManagerRenderer.java:1164)

at org.eclipse.e4.ui.workbench.renderers.swt.MenuManagerRenderer.processContents(MenuManagerRenderer.java:636)

at org.eclipse.e4.ui.internal.workbench.swt.MenuService.registerMenu(MenuService.java:73)

at org.eclipse.ui.internal.PopupMenuExtender.registerE4Support(PopupMenuExtender.java:191)

at org.eclipse.ui.internal.PopupMenuExtender.createModelFor(PopupMenuExtender.java:185)

at org.eclipse.ui.internal.PopupMenuExtender.<init>(PopupMenuExtender.java:156)

at org.eclipse.ui.internal.PartSite.registerContextMenu(PartSite.java:131)

at org.eclipse.ui.internal.PartSite.registerContextMenu(PartSite.java:503)

at org.eclipse.ui.internal.PartSite.registerContextMenu(PartSite.java:512)

at org.eclipse.ui.part.MultiPageEditorSite.registerContextMenu(MultiPageEditorSite.java:530)

at org.jboss.tools.common.editor.XModelObjectTreeViewComponent.initContextMenu(XModelObjectTreeViewComponent.java:134)

at org.jboss.tools.common.editor.XModelObjectTreeViewComponent.createControl(XModelObjectTreeViewComponent.java:92)

at org.jboss.tools.common.editor.form.SampleTreeForm.createClientArea(SampleTreeForm.java:81)

at org.jboss.tools.common.model.ui.forms.ExpandableForm.createControl(ExpandableForm.java:108)

at org.jboss.tools.common.model.ui.forms.SplitFormContainer.createFirstForm(SplitFormContainer.java:79)

at org.jboss.tools.common.model.ui.forms.SplitFormContainer.createControl(SplitFormContainer.java:103)

at org.jboss.tools.common.model.ui.forms.DefaultFormContainer.createControl(DefaultFormContainer.java:47)

at org.jboss.tools.common.model.ui.forms.DefaultFormPage.createFormControl(DefaultFormPage.java:94)

at org.jboss.tools.common.editor.TreeFormPage.createFormControl(TreeFormPage.java:151)

at org.jboss.tools.common.model.ui.forms.DefaultFormPage.createControl(DefaultFormPage.java:108)

at org.jboss.tools.common.editor.TreeFormPage.createPartControl(TreeFormPage.java:405)

at org.eclipse.ui.part.MultiPageEditorPart.addPage(MultiPageEditorPart.java:244)

at org.eclipse.ui.part.MultiPageEditorPart.addPage(MultiPageEditorPart.java:214)

at org.jboss.tools.common.editor.ObjectMultiPageEditor.addFormPage(ObjectMultiPageEditor.java:933)

at org.jboss.tools.hibernate.ui.xml.editor.Hibernate3CompoundEditor.doCreatePages(Hibernate3CompoundEditor.java:33)

at org.jboss.tools.common.editor.ObjectMultiPageEditor.createPages(ObjectMultiPageEditor.java:239)

at org.eclipse.ui.part.MultiPageEditorPart.createPartControl(MultiPageEditorPart.java:363)

at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.createPartControl(CompatibilityPart.java:151)

at org.eclipse.ui.internal.e4.compatibility.CompatibilityEditor.createPartControl(CompatibilityEditor.java:99)

at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.create(CompatibilityPart.java:341)

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.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56)

at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:898)

at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:879)

at org.eclipse.e4.core.internal.di.InjectorImpl.inject(InjectorImpl.java:121)

at org.eclipse.e4.core.internal.di.InjectorImpl.internalMake(InjectorImpl.java:345)

at org.eclipse.e4.core.internal.di.InjectorImpl.make(InjectorImpl.java:264)

at org.eclipse.e4.core.contexts.ContextInjectionFactory.make(ContextInjectionFactory.java:162)

at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.createFromBundle(ReflectionContributionFactory.java:104)

at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.doCreate(ReflectionContributionFactory.java:73)

at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.create(ReflectionContributionFactory.java:55)

at org.eclipse.e4.ui.workbench.renderers.swt.ContributedPartRenderer.createWidget(ContributedPartRenderer.java:129)

at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createWidget(PartRenderingEngine.java:971)

at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:640)

at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:746)

at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$0(PartRenderingEngine.java:717)

at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:711)

at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)

at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:695)

at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.showTab(StackRenderer.java:1306)

at org.eclipse.e4.ui.workbench.renderers.swt.LazyStackRenderer$1.handleEvent(LazyStackRenderer.java:72)

at org.eclipse.e4.ui.services.internal.events.UIEventHandler$1.run(UIEventHandler.java:40)

at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:186)

at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:145)

at org.eclipse.swt.widgets.Display.syncExec(Display.java:4761)

at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:211)

at org.eclipse.e4.ui.services.internal.events.UIEventHandler.handleEvent(UIEventHandler.java:36)

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:85)

at org.eclipse.e4.ui.internal.workbench.UIEventPublisher.notifyChanged(UIEventPublisher.java:59)

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:572)

at org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.bringToTop(ModelServiceImpl.java:536)

at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.delegateBringToTop(PartServiceImpl.java:724)

at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.bringToTop(PartServiceImpl.java:396)

at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.showPart(PartServiceImpl.java:1166)

at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:3252)

at org.eclipse.ui.internal.WorkbenchPage.access$25(WorkbenchPage.java:3167)

at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:3149)

at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)

at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3144)

at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3108)

at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3098)

at org.eclipse.ui.ide.IDE.openEditor(IDE.java:541)

at org.eclipse.ui.ide.IDE.openEditor(IDE.java:500)

at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:365)

at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:168)

at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:229)

at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:208)

at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:274)

at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:250)

at org.eclipse.jdt.internal.ui.packageview.PackageExplorerActionGroup.handleOpen(PackageExplorerActionGroup.java:373)

at org.eclipse.jdt.internal.ui.packageview.PackageExplorerPart$4.open(PackageExplorerPart.java:526)

at org.eclipse.ui.OpenAndLinkWithEditorHelper$InternalListener.open(OpenAndLinkWithEditorHelper.java:48)

at org.eclipse.jface.viewers.StructuredViewer$2.run(StructuredViewer.java:854)

at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)

at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50)

at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:173)

at org.eclipse.jface.viewers.StructuredViewer.fireOpen(StructuredViewer.java:851)

at org.eclipse.jface.viewers.StructuredViewer.handleOpen(StructuredViewer.java:1168)

at org.eclipse.jface.viewers.StructuredViewer$6.handleOpen(StructuredViewer.java:1275)

at org.eclipse.jface.util.OpenStrategy.fireOpenEvent(OpenStrategy.java:278)

at org.eclipse.jface.util.OpenStrategy.access$2(OpenStrategy.java:272)

at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:313)

at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)

at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4362)

at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1113)

at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4180)

at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3769)

at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1127)

at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)

at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1018)

at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:156)

at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:694)

at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)

at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:606)

at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)

at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:139)

at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)

at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)

at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)

at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380)

at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)

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:669)

at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608)

at org.eclipse.equinox.launcher.Main.run(Main.java:1515)