java.lang.ClassCastException: org.springsource.ide.eclipse.commons.gettingstarted.dashboard.ExtensionsEditor cannot be cast to org.eclipse.ui.forms.editor.FormEditor

SpringSource Issue Tracker | Kris De Volder (c) | 3 years ago
  1. 0

    Using GGTS 3.5.0.M2 pre-release candidate. After closing the dashboard. I clicked on the toolbar button to try and reopen it. Nothing happened. I kept hammering the button a few times and eventually I got this error: java.lang.ClassCastException: org.springsource.ide.eclipse.commons.gettingstarted.dashboard.ExtensionsEditor cannot be cast to org.eclipse.ui.forms.editor.FormEditor at org.springsource.ide.eclipse.dashboard.ui.actions.ShowDashboardPageAction$1.runInUIThread(ShowDashboardPageAction.java:93) at org.eclipse.ui.progress.UIJob$1.run(UIJob.java:95) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3717) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3366) 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) at org.eclipse.equinox.launcher.Main.main(Main.java:1426)

    SpringSource Issue Tracker | 3 years ago | Kris De Volder (c)
    java.lang.ClassCastException: org.springsource.ide.eclipse.commons.gettingstarted.dashboard.ExtensionsEditor cannot be cast to org.eclipse.ui.forms.editor.FormEditor
  2. 0

    Using GGTS 3.5.0.M2 pre-release candidate. After closing the dashboard. I clicked on the toolbar button to try and reopen it. Nothing happened. I kept hammering the button a few times and eventually I got this error: java.lang.ClassCastException: org.springsource.ide.eclipse.commons.gettingstarted.dashboard.ExtensionsEditor cannot be cast to org.eclipse.ui.forms.editor.FormEditor at org.springsource.ide.eclipse.dashboard.ui.actions.ShowDashboardPageAction$1.runInUIThread(ShowDashboardPageAction.java:93) at org.eclipse.ui.progress.UIJob$1.run(UIJob.java:95) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3717) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3366) 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) at org.eclipse.equinox.launcher.Main.main(Main.java:1426)

    SpringSource Issue Tracker | 3 years ago | Kris De Volder (c)
    java.lang.ClassCastException: org.springsource.ide.eclipse.commons.gettingstarted.dashboard.ExtensionsEditor cannot be cast to org.eclipse.ui.forms.editor.FormEditor
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    Root Cause Analysis

    1. java.lang.ClassCastException

      org.springsource.ide.eclipse.commons.gettingstarted.dashboard.ExtensionsEditor cannot be cast to org.eclipse.ui.forms.editor.FormEditor

      at org.springsource.ide.eclipse.dashboard.ui.actions.ShowDashboardPageAction$1.runInUIThread()
    2. org.springsource.ide
      ShowDashboardPageAction$1.runInUIThread
      1. org.springsource.ide.eclipse.dashboard.ui.actions.ShowDashboardPageAction$1.runInUIThread(ShowDashboardPageAction.java:93)
      1 frame
    3. Workbench
      UIJob$1.run
      1. org.eclipse.ui.progress.UIJob$1.run(UIJob.java:95)
      1 frame
    4. RWT
      Display.readAndDispatch
      1. org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
      2. org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)
      3. org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3717)
      4. org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3366)
      4 frames
    5. Eclipse Workbench SWT
      PartRenderingEngine$9.run
      1. org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1113)
      1 frame
    6. Databinding
      Realm.runWithDefault
      1. org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
      1 frame
    7. Eclipse Workbench SWT
      PartRenderingEngine.run
      1. org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:997)
      1 frame
    8. Eclipse Workbench
      E4Workbench.createAndRunUI
      1. org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:138)
      1 frame
    9. Eclipse UI
      Workbench$5.run
      1. org.eclipse.ui.internal.Workbench$5.run(Workbench.java:610)
      1 frame
    10. Databinding
      Realm.runWithDefault
      1. org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
      1 frame
    11. Eclipse UI
      Workbench.createAndRunWorkbench
      1. org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:567)
      1 frame
    12. Eclipse UI
      PlatformUI.createAndRunWorkbench
      1. org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
      1 frame
    13. Eclipse IDE
      IDEApplication.start
      1. org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124)
      1 frame
    14. Equinox Container
      EclipseAppHandle.run
      1. org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
      1 frame
    15. Eclipse OSGi
      EclipseStarter.run
      1. org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
      2. org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
      3. org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:354)
      4. org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181)
      4 frames
    16. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      4. java.lang.reflect.Method.invoke(Method.java:606)
      4 frames
    17. Equinox
      Main.main
      1. org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:636)
      2. org.eclipse.equinox.launcher.Main.basicRun(Main.java:591)
      3. org.eclipse.equinox.launcher.Main.run(Main.java:1450)
      4. org.eclipse.equinox.launcher.Main.main(Main.java:1426)
      4 frames