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Launching a child Eclipse gives this exception with Build id: I20200329-1800: java.lang.ClassNotFoundException: org.eclipse.e4.ui.workbench.renderers.swt.cocoa.FullscreenWindowHandler cannot be found by org.eclipse.e4.ui.workbench.renderers.swt_0.14.1200.v20200319-0922 at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:516) at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:171) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521) at org.eclipse.osgi.internal.framework.EquinoxBundle.loadClass(EquinoxBundle.java:620) at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.createFromBundle(ReflectionContributionFactory.java:89) at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.doCreate(ReflectionContributionFactory.java:60) at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.create(ReflectionContributionFactory.java:42) at org.eclipse.e4.ui.internal.workbench.addons.HandlerProcessingAddon.processActiveHandler(HandlerProcessingAddon.java:145) at org.eclipse.e4.ui.internal.workbench.addons.HandlerProcessingAddon.postConstruct(HandlerProcessingAddon.java:55) 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) at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:1002) at org.eclipse.e4.core.internal.di.InjectorImpl.internalInject(InjectorImpl.java:139) at org.eclipse.e4.core.internal.di.InjectorImpl.internalMake(InjectorImpl.java:408) at org.eclipse.e4.core.internal.di.InjectorImpl.make(InjectorImpl.java:345) at org.eclipse.e4.core.contexts.ContextInjectionFactory.make(ContextInjectionFactory.java:227) at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.createFromBundle(ReflectionContributionFactory.java:94) at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.doCreate(ReflectionContributionFactory.java:60) at org.eclipse.e4.ui.internal.workbench.ReflectionContributionFactory.create(ReflectionContributionFactory.java:37) at org.eclipse.e4.ui.internal.workbench.swt.E4Application.createE4Workbench(E4Application.java:289) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:579) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:557) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:154) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) 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:401) 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:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1447) at org.eclipse.equinox.launcher.Main.main(Main.java:1420)
Moving to Platform UI. Seems to be caused by Bug 559746.
(In reply to Lakshmi Shanmugam from comment #1) > Moving to Platform UI. Seems to be caused by Bug 559746. Yes indeed. This is coming from the workbench.xmi in the workspace. For a new workspace this does not happen. In may workspace I have this line in the workbench.xmi <handlers xmi:id="_ySLncHMqEeqcqvRxqhPJ6g" elementId="org.eclipse.e4.ui.workbench.renderers.swt.cocoa.FullscreenWindowHandler" contributorURI="platform:/fragment/org.eclipse.e4.ui.workbench.renderers.swt.cocoa" contributionURI="bundleclass://org.eclipse.e4.ui.workbench.renderers.swt/org.eclipse.e4.ui.workbench.renderers.swt.cocoa.FullscreenWindowHandler" command="_ySLAYHMqEeqcqvRxqhPJ6g"/> So how should we fix this?
(In reply to Matthias Becker from comment #2) > So how should we fix this? Bug 513614. *** This bug has been marked as a duplicate of bug 513614 ***
