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Re: [nebula-dev] PShelf ClassCastException

Yes this looks like a classloader problem, but I have no freaking idea
what's going on :-(

Tom

On 24.10.13 23:19, Wim Jongman wrote:
> Tom,
> 
> I try to load the new pshelf into Windowbuilder but I am getting a CCE
> on the same class. I guess the css engine loads pshelf through another
> classloader than WB.
> 
> Any idea how to work around this?
> 
> Cheers,
> 
> Wim
> 
> java.lang.ClassCastException: org.eclipse.nebula.widgets.pshelf.PShelf
> cannot be cast to org.eclipse.nebula.widgets.pshelf.PShelf
> at
> org.eclipse.nebula.widgets.pshelf.css.internal.PShelfElementProvider.getElement(PShelfElementProvider.java:21)
> at
> org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.getElement(AbstractCSSEngine.java:912)
> at
> org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:416)
> at
> org.eclipse.e4.ui.css.core.impl.engine.AbstractCSSEngine.applyStyles(AbstractCSSEngine.java:405)
> at
> org.eclipse.e4.ui.css.swt.engine.CSSSWTApplyStylesListener$1.handleEvent(CSSSWTApplyStylesListener.java:31)
> at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
> at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4344)
> at org.eclipse.swt.widgets.Display.runSkin(Display.java:4253)
> at org.eclipse.swt.widgets.Composite.computeSize(Composite.java:229)
> at org.eclipse.swt.widgets.Control.computeSize(Control.java:614)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
> at
> org.eclipse.wb.internal.core.utils.reflect.ReflectionUtils.invokeMethod(ReflectionUtils.java:869)
> at
> org.eclipse.wb.internal.swt.support.ControlSupport.getPreferredSize(ControlSupport.java:135)
> at
> org.eclipse.wb.internal.swt.model.widgets.ControlInfo.refresh_afterCreate(ControlInfo.java:117)
> at org.eclipse.wb.core.model.ObjectInfo.refreshCreate0(ObjectInfo.java:552)
> at org.eclipse.wb.core.model.ObjectInfo.access$0(ObjectInfo.java:546)
> at org.eclipse.wb.core.model.ObjectInfo$5$1.run(ObjectInfo.java:486)
> at
> org.eclipse.wb.internal.core.utils.execution.ExecutionUtils.runDesignTime(ExecutionUtils.java:145)
> at org.eclipse.wb.core.model.ObjectInfo$5.run(ObjectInfo.java:484)
> at
> org.eclipse.wb.core.model.ObjectInfo.execRefreshOperation(ObjectInfo.java:514)
> at org.eclipse.wb.core.model.ObjectInfo.refresh(ObjectInfo.java:482)
> at
> org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:580)
> at
> org.eclipse.wb.internal.core.editor.DesignPage.access$9(DesignPage.java:522)
> at
> org.eclipse.wb.internal.core.editor.DesignPage$8$1.run(DesignPage.java:449)
> 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.wb.internal.core.editor.DesignPage$8.run(DesignPage.java:446)
> at
> org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:464)
> at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:372)
> at
> org.eclipse.jface.dialogs.ProgressMonitorDialog.run(ProgressMonitorDialog.java:507)
> at
> org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF_withProgress(DesignPage.java:465)
> at
> org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:415)
> at
> org.eclipse.wb.internal.core.editor.UndoManager.refreshDesignerEditor(UndoManager.java:381)
> at
> org.eclipse.wb.internal.core.editor.UndoManager.activate(UndoManager.java:90)
> at
> org.eclipse.wb.internal.core.editor.DesignPage.handleActiveState_True(DesignPage.java:263)
> at
> org.eclipse.wb.internal.core.editor.DesignPage.handleActiveState(DesignPage.java:241)
> at
> org.eclipse.wb.internal.core.editor.multi.DefaultMultiMode.showPage(DefaultMultiMode.java:125)
> at
> org.eclipse.wb.internal.core.editor.multi.DefaultMultiMode$1.widgetSelected(DefaultMultiMode.java:63)
> at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:248)
> 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.Widget.sendEvent(Widget.java:1081)
> at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1066)
> at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:778)
> at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:3061)
> at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:1753)
> at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:278)
> 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:331)
> 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:331)
> 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(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
> 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)
> 
> 
> 
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