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) > > > > _______________________________________________ > nebula-dev mailing list > [email protected] > https://dev.eclipse.org/mailman/listinfo/nebula-dev > _______________________________________________ nebula-dev mailing list 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