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SWTBot test fails when creating xtext resource [message #1809856]

Wed, 24 July 2019 23:06

Louis Detweiler

Messages: 96
Registered: August 2017

Member

I am using SWTBot to test a custom Eclipse application. The SWTBot test run configuration is set to launch this application. When creating an xtext file within the SWTBot test, the following exception is thrown. The root of the problem seems to be a class not found error. This does not happen when the application is normally run, it only happens within an SWTBot test. Any help would be appreciated.

org.eclipse.emf.common.util.WrappedException: org.eclipse.core.runtime.CoreException: org/eclipse/xtext/ui/shared/SharedStateModule (occurred in gov.nasa.arc.advocate.argument.dsl.ui.ArgumentExecutableExtensionFactory)
at org.eclipse.emf.ecore.plugin.RegistryReader$PluginClassDescriptor.createInstance(RegistryReader.java:171)
at org.eclipse.emf.ecore.plugin.RegistryReader$ResourceFactoryDescriptor.createFactory(RegistryReader.java:189)
at org.eclipse.emf.ecore.resource.impl.ResourceFactoryRegistryImpl.convert(ResourceFactoryRegistryImpl.java:92)
at org.eclipse.emf.ecore.resource.impl.ResourceSetImpl$2.delegatedGetFactory(ResourceSetImpl.java:458)
at org.eclipse.emf.ecore.resource.impl.ResourceFactoryRegistryImpl.getFactory(ResourceFactoryRegistryImpl.java:144)
at org.eclipse.emf.ecore.resource.impl.ResourceFactoryRegistryImpl.getFactory(ResourceFactoryRegistryImpl.java:85)
at org.eclipse.emf.ecore.resource.impl.ResourceSetImpl.createResource(ResourceSetImpl.java:431)
at org.eclipse.emf.ecore.resource.impl.ResourceSetImpl.createResource(ResourceSetImpl.java:423)
at gov.nasa.arc.advocate.common.ui.wizards.AbstractAdvocateFileWizard.initSemanticModel(AbstractAdvocateFileWizard.java:174)
at gov.nasa.arc.advocate.common.ui.wizards.AbstractAdvocateFileWizard.performFinish(AbstractAdvocateFileWizard.java:221)
at org.eclipse.jface.wizard.WizardDialog.finishPressed(WizardDialog.java:778)
at org.eclipse.jface.wizard.WizardDialog.buttonPressed(WizardDialog.java:417)
at org.eclipse.jface.dialogs.Dialog.lambda$0(Dialog.java:619)
at org.eclipse.swt.events.SelectionListener$1.widgetSelected(SelectionListener.java:81)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:249)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:86)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4428)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1079)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4238)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3817)
at org.eclipse.jface.window.Window.runEventLoop(Window.java:818)
at org.eclipse.jface.window.Window.open(Window.java:794)
at org.eclipse.ui.internal.handlers.WizardHandler$New.executeHandler(WizardHandler.java:269)
at org.eclipse.ui.internal.handlers.WizardHandler.execute(WizardHandler.java:290)
at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:291)
at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:92)
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:55)
at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:305)
at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:239)
at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:132)
at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:152)
at org.eclipse.core.commands.Command.executeWithChecks(Command.java:494)
at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:487)
at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:210)
at org.eclipse.ui.internal.handlers.LegacyHandlerService.executeCommand(LegacyHandlerService.java:390)
at org.eclipse.ui.internal.actions.CommandAction.runWithEvent(CommandAction.java:151)
at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:565)
at org.eclipse.jface.action.ActionContributionItem.lambda$4(ActionContributionItem.java:397)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:86)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4428)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1079)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4238)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3817)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1150)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1039)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153)
at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:680)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:594)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148)
at gov.nasa.arc.advocate.branding.application.AdvocateApplication.start(AdvocateApplication.java:529)
at org.eclipse.swtbot.eclipse.core.UITestApplication.start(UITestApplication.java:57)
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:388)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243)
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:653)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590)
at org.eclipse.equinox.launcher.Main.run(Main.java:1499)
at org.eclipse.equinox.launcher.Main.main(Main.java:1472)
Caused by: org.eclipse.core.runtime.CoreException: org/eclipse/xtext/ui/shared/SharedStateModule (occurred in gov.nasa.arc.advocate.argument.dsl.ui.ArgumentExecutableExtensionFactory)
at org.eclipse.xtext.ui.guice.AbstractGuiceAwareExecutableExtensionFactory.handleCreationError(AbstractGuiceAwareExecutableExtensionFactory.java:96)
at org.eclipse.xtext.ui.guice.AbstractGuiceAwareExecutableExtensionFactory.create(AbstractGuiceAwareExecutableExtensionFactory.java:64)
at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:262)
at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:55)
at org.eclipse.emf.ecore.plugin.RegistryReader$PluginClassDescriptor.createInstance(RegistryReader.java:167)
... 69 more
Caused by: java.lang.NoClassDefFoundError: org/eclipse/xtext/ui/shared/SharedStateModule
at gov.nasa.arc.advocate.argument.dsl.ui.internal.DslActivator.getSharedStateModule(DslActivator.java:90)
at gov.nasa.arc.advocate.argument.dsl.ui.internal.DslActivator.createInjector(DslActivator.java:64)
at gov.nasa.arc.advocate.argument.dsl.ui.internal.DslActivator.getInjector(DslActivator.java:55)
at gov.nasa.arc.advocate.argument.dsl.ui.ArgumentExecutableExtensionFactory.getInjector(ArgumentExecutableExtensionFactory.java:26)
at org.eclipse.xtext.ui.guice.AbstractGuiceAwareExecutableExtensionFactory.create(AbstractGuiceAwareExecutableExtensionFactory.java:53)
... 72 more

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Re: SWTBot test fails when creating xtext resource [message #1809861 is a reply to message #1809856]

Thu, 25 July 2019 02:50

Eclipse User

IIRC NoClassDefFoundErrors happen because of a previous ClassNotFoundException or some other error during class-loading. Look further back and see if there's another problem reported?

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Re: SWTBot test fails when creating xtext resource [message #1809933 is a reply to message #1809861]

Thu, 25 July 2019 19:45

Louis Detweiler

Messages: 96
Registered: August 2017

Member

Ok. I was curious too though how this could happen in the SWTBot test but not in the application. Shouldn't they basically be the same thing, as SWTBot runs the application?

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Re: SWTBot test fails when creating xtext resource [message #1809988 is a reply to message #1809933]

Sat, 27 July 2019 15:45

Eclipse User

You haven't given us much context. From the last part of the stack trace, i the problem is arising from trying to load a CPA reference by an extension point. Can you show your extension point definition,? What do your full logs show? Was it working previously? If so, what changed? How are you launching the test? Are there any resolution errors reported?

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