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The class TargetModel is missing in PDE 1.3M7 org.eclipse.core.commands.ExecutionException: Failed to install target platform. at org.eclipse.rap.ui.internal.intro.target.InstallRAPTargetHandler.execute(InstallRAPTargetHandler.java:65) at org.eclipse.rap.ui.internal.intro.target.InstallRAPTargetHandler.execute(InstallRAPTargetHandler.java:36) at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:293) at org.eclipse.core.commands.Command.executeWithChecks(Command.java:476) at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(HandlerService.java:178) at org.eclipse.ui.internal.handlers.SlaveHandlerService.executeCommand(SlaveHandlerService.java:247) at org.eclipse.rap.ui.internal.intro.target.InstallRAPTargetAction.run(InstallRAPTargetAction.java:36) at org.eclipse.ui.internal.intro.impl.model.url.IntroURL.runAction(IntroURL.java:285) at org.eclipse.ui.internal.intro.impl.model.url.IntroURL.doExecute(IntroURL.java:193) at org.eclipse.ui.internal.intro.impl.model.url.IntroURL$1.run(IntroURL.java:144) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.ui.internal.intro.impl.model.url.IntroURL.execute(IntroURL.java:141) at org.eclipse.ui.internal.intro.impl.presentations.BrowserIntroPartLocationListener.changing(BrowserIntroPartLocationListener.java:130) at org.eclipse.swt.browser.Mozilla.OnStartURIOpen(Mozilla.java:3824) at org.eclipse.swt.browser.Mozilla$17.method3(Mozilla.java:1037) at org.eclipse.swt.internal.mozilla.XPCOMObject.callback3(XPCOMObject.java:266) at org.eclipse.swt.internal.gtk.OS._g_main_context_iteration(Native Method) at org.eclipse.swt.internal.gtk.OS.g_main_context_iteration(OS.java:2214) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3157) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2601) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2565) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2399) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:669) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:662) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115) 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:369) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:619) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574) at org.eclipse.equinox.launcher.Main.run(Main.java:1407) Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException: org.eclipse.pde.internal.core.target.TargetModel at org.eclipse.rap.ui.internal.intro.target.TargetSwitcher34.construct(TargetSwitcher34.java:96) at org.eclipse.rap.ui.internal.intro.target.TargetSwitcher34.getTargetModel34(TargetSwitcher34.java:59) at org.eclipse.rap.ui.internal.intro.target.TargetSwitcher34.switchTarget(TargetSwitcher34.java:41) at org.eclipse.rap.ui.internal.intro.target.InstallRAPTargetHandler.switchTarget(InstallRAPTargetHandler.java:79) at org.eclipse.rap.ui.internal.intro.target.InstallRAPTargetHandler.access$0(InstallRAPTargetHandler.java:72) at org.eclipse.rap.ui.internal.intro.target.InstallRAPTargetHandler$1.run(InstallRAPTargetHandler.java:52) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121) Caused by: java.lang.ClassNotFoundException: org.eclipse.pde.internal.core.target.TargetModel at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:506) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:422) at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:410) at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107) at java.lang.ClassLoader.loadClass(ClassLoader.java:252) at org.eclipse.rap.ui.internal.intro.target.TargetSwitcher34.construct(TargetSwitcher34.java:86) ... 6 more
I'm trying this with a clean 1.3M7 IDE. It seems that the TargetSwitcher34 is mistakenly used. I can't currently reproduce it in a runtime workbench. Investigating ...
It's a duplicate. This bug is already fixed in M6. The Helios update site still delivers the M5 tooling instead of M6! We need to double check this time. *** This bug has been marked as a duplicate of bug 302045 ***