我有一个使我发疯的问题。我正在尝试使用jboss从数据库表生成实体。我已经正确配置了hibernate配置文件，并在hibernate透视图下创建了一个新配置。到目前为止，一切正常，但是当我尝试生成实体时（右键单击项目-> JPA TOOLS->从表生成实体），出现标题中描述的错误。为完整起见，列出完整的错误：
org.eclipse.core.commands.ExecutionException: Error executing 'org.eclipse.jpt.jpa.ui.generateEntities': java.lang.IllegalArgumentException: Argument cannot be null
at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:170)
at org.eclipse.core.commands.Command.executeWithChecks(Command.java:498)
at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:488)
at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:213)
at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.executeItem(HandledContributionItem.java:438)
at org.eclipse.e4.ui.workbench.renderers.swt.AbstractContributionItem.handleWidgetSelection(AbstractContributionItem.java:449)
at org.eclipse.e4.ui.workbench.renderers.swt.AbstractContributionItem.lambda$2(AbstractContributionItem.java:475)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5874)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1400)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:5138)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4663)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1173)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1062)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155)
at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:635)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:559)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:155)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:137)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:660)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:597)
at org.eclipse.equinox.launcher.Main.run(Main.java:1468)
at org.eclipse.equinox.launcher.Main.main(Main.java:1441) Caused by: org.eclipse.e4.core.di.InjectionException: java.lang.IllegalArgumentException: Argument cannot be null
at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:68)
at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:320)
at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:254)
at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:173)
at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:156)
... 33 more
Caused by: java.lang.IllegalArgumentException: Argument cannot be null
at org.eclipse.swt.SWT.error(SWT.java:4680)
at org.eclipse.swt.SWT.error(SWT.java:4614)
at org.eclipse.swt.SWT.error(SWT.java:4585)
at org.eclipse.swt.widgets.Widget.error(Widget.java:532)
at org.eclipse.swt.widgets.Combo.setText(Combo.java:2537)
at org.eclipse.jdt.internal.ui.wizards.dialogfields.ComboDialogField.getComboControl(ComboDialogField.java:126)
at org.eclipse.jdt.internal.ui.wizards.dialogfields.ComboDialogField.doFillIntoGrid(ComboDialogField.java:59)
at org.jboss.tools.hibernate.jpt.ui.wizard.GenerateInitWizardPage.createControl(GenerateInitWizardPage.java:163)
at org.jboss.tools.hibernate.jpt.ui.wizard.GenerateEntitiesWizardPage.createControl(GenerateEntitiesWizardPage.java:51)
at org.eclipse.jface.wizard.Wizard.createPageControls(Wizard.java:179)
at org.eclipse.jface.wizard.WizardDialog.createPageControls(WizardDialog.java:743)
at org.eclipse.jface.wizard.WizardDialog.createContents(WizardDialog.java:635)
at org.eclipse.jface.window.Window.create(Window.java:431)
at org.eclipse.jface.dialogs.Dialog.create(Dialog.java:1099)
at org.eclipse.jface.window.Window.open(Window.java:788)
at org.jboss.tools.hibernate.jpt.ui.internal.platform.HibernateJpaPlatformUi.generateEntities(HibernateJpaPlatformUi.java:56)
at org.eclipse.jpt.jpa.ui.internal.handlers.GenerateEntitiesHandler.generateEntities(GenerateEntitiesHandler.java:45)
at org.eclipse.jpt.jpa.ui.internal.handlers.GenerateEntitiesHandler.execute(GenerateEntitiesHandler.java:37)
at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:283)
at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:95)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:58)
... 37 more
有人可以告诉我一些事情吗？谢谢