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Created attachment 238690 [details] JS file which produces the error I get the below error when opening the attached js file using the WTP javascript editor. I can not edit the file using it, and must fall back to an alternative editor. I can edit other .js files, including this one until recent edits. java.lang.ClassCastException: org.eclipse.wst.jsdt.internal.compiler.ast.MessageSend cannot be cast to org.eclipse.wst.jsdt.internal.compiler.ast.MethodDeclaration at org.eclipse.wst.jsdt.internal.compiler.parser.Parser.consumeMethodDeclaration(Parser.java:2396) at org.eclipse.wst.jsdt.internal.compiler.parser.Parser.consumeFunctionExpression(Parser.java:2725) at org.eclipse.wst.jsdt.internal.compiler.parser.Parser.consumeRule(Parser.java:2847) at org.eclipse.wst.jsdt.internal.compiler.parser.Parser.parse(Parser.java:5811) at org.eclipse.wst.jsdt.internal.compiler.parser.Parser.parse(Parser.java:6045) at org.eclipse.wst.jsdt.internal.compiler.parser.Parser.parse(Parser.java:5997) at org.eclipse.wst.jsdt.internal.compiler.SourceElementParser.parseCompilationUnit(SourceElementParser.java:1449) at org.eclipse.wst.jsdt.internal.core.CompilationUnit.buildStructure(CompilationUnit.java:204) at org.eclipse.wst.jsdt.internal.core.Openable.generateInfos(Openable.java:241) at org.eclipse.wst.jsdt.internal.core.JavaElement.openWhenClosed(JavaElement.java:538) at org.eclipse.wst.jsdt.internal.core.JavaElement.getElementInfo(JavaElement.java:282) at org.eclipse.wst.jsdt.internal.core.JavaElement.getElementInfo(JavaElement.java:268) at org.eclipse.wst.jsdt.internal.core.CompilationUnit.getSourceRange(CompilationUnit.java:932) at org.eclipse.wst.jsdt.internal.ui.javaeditor.selectionactions.GoToNextPreviousMemberAction.update(GoToNextPreviousMemberAction.java:83) at org.eclipse.wst.jsdt.internal.ui.javaeditor.selectionactions.GoToNextPreviousMemberAction.<init>(GoToNextPreviousMemberAction.java:62) at org.eclipse.wst.jsdt.internal.ui.javaeditor.selectionactions.GoToNextPreviousMemberAction.newGoToNextMemberAction(GoToNextPreviousMemberAction.java:49) at org.eclipse.wst.jsdt.internal.ui.javaeditor.JavaEditor.createActions(JavaEditor.java:2315) at org.eclipse.wst.jsdt.internal.ui.javaeditor.CompilationUnitEditor.createActions(CompilationUnitEditor.java:1027) at org.eclipse.ui.texteditor.AbstractTextEditor.createPartControl(AbstractTextEditor.java:3573) at org.eclipse.ui.texteditor.StatusTextEditor.createPartControl(StatusTextEditor.java:54) at org.eclipse.ui.texteditor.AbstractDecoratedTextEditor.createPartControl(AbstractDecoratedTextEditor.java:447) at org.eclipse.wst.jsdt.internal.ui.javaeditor.JavaEditor.createPartControl(JavaEditor.java:2624) at org.eclipse.wst.jsdt.internal.ui.javaeditor.CompilationUnitEditor.createPartControl(CompilationUnitEditor.java:1410) at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.createPartControl(CompatibilityPart.java:142) at org.eclipse.ui.internal.e4.compatibility.CompatibilityEditor.createPartControl(CompatibilityEditor.java:96) at org.eclipse.ui.internal.e4.compatibility.CompatibilityPart.create(CompatibilityPart.java:323) 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:606) at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56) at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:877) at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:857) at org.eclipse.e4.core.internal.di.InjectorImpl.inject(InjectorImpl.java:119) at org.eclipse.e4.core.internal.di.InjectorImpl.internalMake(InjectorImpl.java:333) at org.eclipse.e4.core.internal.di.InjectorImpl.make(InjectorImpl.java:254) at org.eclipse.e4.core.contexts.ContextInjectionFactory.make(ContextInjectionFactory.java:162) 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:129) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createWidget(PartRenderingEngine.java:949) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:633) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:735) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$2(PartRenderingEngine.java:706) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$7.run(PartRenderingEngine.java:700) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:685) 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:4688) at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:205) 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:80) at org.eclipse.e4.ui.internal.workbench.UIEventPublisher.notifyChanged(UIEventPublisher.java:58) 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:576) at org.eclipse.e4.ui.internal.workbench.ModelServiceImpl.bringToTop(ModelServiceImpl.java:543) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.delegateBringToTop(PartServiceImpl.java:610) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.bringToTop(PartServiceImpl.java:322) at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.showPart(PartServiceImpl.java:1034) at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:3112) at org.eclipse.ui.internal.WorkbenchPage.access$21(WorkbenchPage.java:3034) at org.eclipse.ui.internal.WorkbenchPage$8.run(WorkbenchPage.java:3016) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3012) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2976) at org.eclipse.ui.actions.OpenWithMenu.openEditor(OpenWithMenu.java:338) at org.eclipse.ui.actions.OpenWithMenu$2.handleEvent(OpenWithMenu.java:180) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1057) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4170) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3759) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1113) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:997) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:138) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:610) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:567) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150) 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:354) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181) 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:606) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:636) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591) at org.eclipse.equinox.launcher.Main.run(Main.java:1450)
OK I see the cause of the error now. It is this: for (var i,a in required) ... This is valid syntax in a homebrew JS environment of ours but not for web JS. HOWEVER really it shouldn't kill the WTP JavaScript Editor, should it?
If you comment out lines 19 and 30, it opens fine.
