[Cucumber Expressions] PatternSyntaxException in Cucumber Eclipse Plugin

[fabian.fr...@gmail.com]

Hello

I have take a look at Cucumber Expressions https://docs.cucumber.io/cucumber/cucumber-expressions/

and I use the Cucumber Eclipse Plugin.

Without parameters it works fine and it find with F3 the Step-Definition.

But with parameters I run in problems, open a feature file is not more possible.

It is possible to run the tests. The try to escape the {} did not help

For Example from cucumber docs:

feature file:

And I have 42 cucumbers in my belly

step defintion:

@And("I have {int} cucumbers in my belly")

Error on opening the feature file:

java.util.regex.PatternSyntaxException: Illegal repetition near index 6
I have {int} cucumbers in my belly
      ^
    at java.util.regex.Pattern.error(Unknown Source)
    at java.util.regex.Pattern.closure(Unknown Source)
    at java.util.regex.Pattern.sequence(Unknown Source)
    at java.util.regex.Pattern.expr(Unknown Source)
    at java.util.regex.Pattern.compile(Unknown Source)
    at java.util.regex.Pattern.<init>(Unknown Source)
    at java.util.regex.Pattern.compile(Unknown Source)
    at cucumber.eclipse.steps.integration.Step.setText(Step.java:27)
    at cucumber.eclipse.steps.jdt.StepDefinitions.getCukeSteps(StepDefinitions.java:225)
    at cucumber.eclipse.editor.steps.jdt.JDTStepDefinitions.collectCukeStepsFromSource(JDTStepDefinitions.java:123)
    at cucumber.eclipse.editor.steps.jdt.JDTStepDefinitions.getSteps(JDTStepDefinitions.java:84)
    at cucumber.eclipse.editor.steps.ExtensionRegistryStepProvider.reloadSteps(ExtensionRegistryStepProvider.java:45)
    at cucumber.eclipse.editor.steps.ExtensionRegistryStepProvider.<init>(ExtensionRegistryStepProvider.java:28)
    at cucumber.eclipse.editor.editors.Editor.doSetInput(Editor.java:177)
    at org.eclipse.ui.texteditor.AbstractTextEditor$5.run(AbstractTextEditor.java:3154)
    at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:437)
    at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:353)
    at org.eclipse.ui.internal.WorkbenchWindow$14.run(WorkbenchWindow.java:2195)
    at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
    at org.eclipse.ui.internal.WorkbenchWindow.run(WorkbenchWindow.java:2191)
    at org.eclipse.ui.texteditor.AbstractTextEditor.internalInit(AbstractTextEditor.java:3172)
    at org.eclipse.ui.texteditor.AbstractTextEditor.init(AbstractTextEditor.java:3197)
    at org.eclipse.ui.internal.EditorReference.initialize(EditorReference.java:362)
    at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.create(CompatibilityPart.java:333)
    at sun.reflect.GeneratedMethodAccessor70.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.processAnnotated(InjectorImpl.java:990)
    at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:955)
    at org.eclipse.e4.core.internal.di.InjectorImpl.inject(InjectorImpl.java:124)
    at org.eclipse.e4.core.internal.di.InjectorImpl.internalMake(InjectorImpl.java:399)
    at org.eclipse.e4.core.internal.di.InjectorImpl.make(InjectorImpl.java:318)
    at org.eclipse.e4.core.contexts.ContextInjectionFactory.make(ContextInjectionFactory.java:162)
    at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.createFromBundle(ReflectionContributionFactory.java:105)
    at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.doCreate(ReflectionContributionFactory.java:74)
    at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.create(ReflectionContributionFactory.java:56)
    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:992)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:661)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:767)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$0(PartRenderingEngine.java:738)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:732)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:716)
    at org.eclipse.e4.ui.internal.workbench.PartServiceImpl$1.handleEvent(PartServiceImpl.java:104)
    at org.eclipse.e4.ui.services.internal.events.UIEventHandler$1.run(UIEventHandler.java:40)
    at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:233)
    at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:144)
    at org.eclipse.swt.widgets.Display.syncExec(Display.java:4889)
    at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:212)
    at org.eclipse.e4.ui.services.internal.events.UIEventHandler.handleEvent(UIEventHandler.java:36)
    at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:201)
    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:52)
    at org.eclipse.e4.ui.internal.workbench.UIEventPublisher.notifyChanged(UIEventPublisher.java:60)
    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:173)
    at org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.showElementInWindow(ModelServiceImpl.java:620)
    at org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.bringToTop(ModelServiceImpl.java:584)
    at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.delegateBringToTop(PartServiceImpl.java:769)
    at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.bringToTop(PartServiceImpl.java:401)
    at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.showPart(PartServiceImpl.java:1188)
    at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:3261)
    at org.eclipse.ui.internal.WorkbenchPage.access$25(WorkbenchPage.java:3176)
    at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:3158)
    at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
    at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3153)
    at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3117)
    at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3107)
    at org.eclipse.ui.ide.IDE.openEditor(IDE.java:563)
    at org.eclipse.ui.ide.IDE.openEditor(IDE.java:518)
    at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:360)
    at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:167)
    at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:279)
    at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:244)
    at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:271)
    at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:249)
    at org.eclipse.jdt.internal.ui.packageview.PackageExplorerActionGroup.handleOpen(PackageExplorerActionGroup.java:379)
    at org.eclipse.jdt.internal.ui.packageview.PackageExplorerPart$4.open(PackageExplorerPart.java:541)
    at org.eclipse.ui.OpenAndLinkWithEditorHelper$InternalListener.open(OpenAndLinkWithEditorHelper.java:46)
    at org.eclipse.jface.viewers.StructuredViewer$2.run(StructuredViewer.java:851)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.ui.internal.JFaceUtil.lambda$0(JFaceUtil.java:44)
    at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:173)
    at org.eclipse.jface.viewers.StructuredViewer.fireOpen(StructuredViewer.java:848)
    at org.eclipse.jface.viewers.StructuredViewer.handleOpen(StructuredViewer.java:1163)
    at org.eclipse.jface.util.OpenStrategy.fireOpenEvent(OpenStrategy.java:273)
    at org.eclipse.jface.util.OpenStrategy.access$2(OpenStrategy.java:268)
    at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:308)
    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 org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:151)
    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)

Eclipse Version: Oxygen.3a Release (4.7.3a) with cucumber-eclipse-plugin-0.0.22-SNAPSHOT.

Any suggestions or is the plugin incompatible?

Thank You for help

Fabian

[aslak hellesoy]

I don't think anyone has updated Cucumber-Eclipse to use Cucumber Expressions yet:

https://github.com/cucumber/cucumber-eclipse/issues/267

Aslak

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