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Bug 536671

Summary:	Workspace unusable after update to Eclipse Photon
Product:	[Eclipse Project] Platform	Reporter:	Alexander Veit <Alexander.Veit>
Component:	IDE	Assignee:	Platform-UI-Inbox <Platform-UI-Inbox>
Status:	CLOSED DUPLICATE	QA Contact:
Severity:	blocker
Priority:	P3	CC:	loskutov
Version:	4.8
Target Milestone:	---
Hardware:	PC
OS:	Windows 8
Whiteboard:

Description Alexander Veit

2018-07-04 03:19:54 EDT

After upgrading from Eclipse Oxygen to Photon the main workspace cannot be accessed anymore.

The below exception occurs and brings up an error box. Closing the box immediately brings is up again. The workspace is locked in an infinite loop.

-----
Problems occurred when invoking code from plug-in: "org.eclipse.ui.workbench".

java.lang.NoClassDefFoundError: org/eclipse/jdt/internal/ui/javaeditor/JavaEditor
	at org.eclipse.jdt.internal.ui.javaeditor.ASTProvider$ActivationListener.isJavaEditor(ASTProvider.java:176)
	at org.eclipse.jdt.internal.ui.javaeditor.ASTProvider$ActivationListener.partActivated(ASTProvider.java:55)
	at org.eclipse.ui.internal.PartService$6.run(PartService.java:143)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.ui.internal.PartService.partActivated(PartService.java:140)
	at org.eclipse.ui.internal.WorkbenchPage$15.run(WorkbenchPage.java:5053)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.ui.internal.WorkbenchPage.firePartActivated(WorkbenchPage.java:5050)
	at org.eclipse.ui.internal.WorkbenchPage.access$19(WorkbenchPage.java:5026)
	at org.eclipse.ui.internal.WorkbenchPage$E4PartListener.partActivated(WorkbenchPage.java:214)
	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl$3.run(PartServiceImpl.java:250)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.firePartActivated(PartServiceImpl.java:247)
	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:772)
	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:681)
	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:676)
	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.showPart(PartServiceImpl.java:1229)
	at org.eclipse.ui.internal.WorkbenchPage.showPart(WorkbenchPage.java:1302)
	at org.eclipse.ui.internal.WorkbenchPage.busyShowView(WorkbenchPage.java:1293)
	at org.eclipse.ui.internal.WorkbenchPage$12.run(WorkbenchPage.java:4374)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:71)
	at org.eclipse.ui.internal.WorkbenchPage.showView(WorkbenchPage.java:4370)
	at org.eclipse.ui.internal.WorkbenchPage.showView(WorkbenchPage.java:4350)
	at org.eclipse.ui.handlers.ShowViewHandler.openView(ShowViewHandler.java:132)
	at org.eclipse.ui.handlers.ShowViewHandler.execute(ShowViewHandler.java:87)
	at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:291)
	at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:93)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55)
	at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:318)
	at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:252)
	at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:161)
	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:204)
	at org.eclipse.ui.internal.handlers.LegacyHandlerService.executeCommand(LegacyHandlerService.java:393)
	at org.eclipse.ui.menus.CommandContributionItem.handleWidgetSelection(CommandContributionItem.java:820)
	at org.eclipse.ui.menus.CommandContributionItem.lambda$3(CommandContributionItem.java:797)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:86)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4118)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1052)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3931)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3534)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1170)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1059)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153)
	at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:667)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:597)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:152)
	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(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:656)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:592)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1498)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1471)

eclipse.buildId=4.8.0.I20180611-0500
java.version=1.8.0_144
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=de_DE
Framework arguments:  -product org.eclipse.epp.package.jee.product
Command-line arguments:  -os win32 -ws win32 -arch x86_64 -product org.eclipse.epp.package.jee.product -data path\to\workspace

Comment 1 Andrey Loskutov

2018-07-04 03:22:21 EDT

Most likely you have a working set named "test" or "main". Please open the workspace once with Oxygen, rename them and you can open it in Photon again.

See bug 536619 for discussion.

*** This bug has been marked as a duplicate of bug 536619 ***

Comment 2 Alexander Veit

2018-07-04 03:30:18 EDT

Andrey, thanks for the quick reply.

Indeed I had a working set main. Renaming it fixed the issue.