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Home » Eclipse Projects » WindowBuilder » can't open design view
can't open design view [message #990969] Sat, 15 December 2012 13:36 Go to next message
sagrma sagrma is currently offline sagrma sagrma
Messages: 1
Registered: December 2012
Junior Member
i am new to windows builder
i am using juno 4.2
i have made new jframe but when i click on design view
i am having this
Internal Error
WindowBuilder encountered unexpected internal error.

This could be caused by a WindowBuilder bug or by a misconfiguration issue, conflict, partial update, etc.

org.eclipse.wb.internal.core.utils.check.AssertionFailedException: Can not find description for toolkit: org.eclipse.wb.swing


Stack trace:
org.eclipse.wb.internal.core.utils.check.AssertionFailedException: Can not find description for toolkit: org.eclipse.wb.swing
at org.eclipse.wb.internal.core.utils.check.Assert.fail(Assert.java:225)
at org.eclipse.wb.internal.core.utils.check.Assert.isNotNull(Assert.java:174)
at org.eclipse.wb.internal.core.model.description.helpers.DescriptionHelper.getToolkit(DescriptionHelper.java:515)
at org.eclipse.wb.internal.core.model.description.helpers.DescriptionHelper.getResourceInfo(DescriptionHelper.java:402)
at org.eclipse.wb.internal.core.model.description.helpers.DescriptionHelper.getResourceInfo(DescriptionHelper.java:338)
at org.eclipse.wb.internal.core.model.description.helpers.DescriptionHelper.getResourceInfo(DescriptionHelper.java:425)
at org.eclipse.wb.internal.core.model.description.helpers.DescriptionHelper.getResourceInfo00(DescriptionHelper.java:301)
at org.eclipse.wb.internal.core.model.description.helpers.DescriptionHelper.getResourceInfo0(DescriptionHelper.java:278)
at org.eclipse.wb.internal.core.model.description.helpers.DescriptionHelper.getResourceInfo(DescriptionHelper.java:232)
at org.eclipse.wb.internal.core.model.description.helpers.DescriptionHelper.getComponentDescriptionResource(DescriptionHelper.java:207)
at org.eclipse.wb.internal.core.model.description.helpers.DescriptionHelper.addDescriptionResources(DescriptionHelper.java:68)
at org.eclipse.wb.internal.core.model.description.helpers.ComponentDescriptionHelper.getDescription0(ComponentDescriptionHelper.java:364)
at org.eclipse.wb.internal.core.model.description.helpers.ComponentDescriptionHelper.getDescription0(ComponentDescriptionHelper.java:289)
at org.eclipse.wb.internal.core.model.description.helpers.ComponentDescriptionHelper.getDescription(ComponentDescriptionHelper.java:258)
at org.eclipse.wb.internal.core.model.JavaInfoUtils.createJavaInfo(JavaInfoUtils.java:386)
at org.eclipse.wb.internal.swing.parser.ParseFactory.getRootContext(ParseFactory.java:128)
at org.eclipse.wb.internal.core.parser.JavaInfoParser.prepareParseContext(JavaInfoParser.java:1182)
at org.eclipse.wb.internal.core.parser.JavaInfoParser.parse(JavaInfoParser.java:242)
at org.eclipse.wb.internal.core.parser.JavaInfoParser.access$9(JavaInfoParser.java:238)
at org.eclipse.wb.internal.core.parser.JavaInfoParser$1.runObject(JavaInfoParser.java:153)
at org.eclipse.wb.internal.core.parser.JavaInfoParser$1.runObject(JavaInfoParser.java:1)
at org.eclipse.wb.internal.core.utils.execution.ExecutionUtils.runDesignTime(ExecutionUtils.java:159)
at org.eclipse.wb.internal.core.parser.JavaInfoParser.parse(JavaInfoParser.java:151)
at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:534)
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:4687)
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.DesignPage.refreshGEF(DesignPage.java:392)
at org.eclipse.wb.internal.core.editor.actions.RefreshAction.run(RefreshAction.java:46)
at org.eclipse.wb.internal.core.editor.actions.DesignPageAction.run(DesignPageAction.java:34)
at org.eclipse.wb.internal.core.editor.errors.JavaExceptionComposite.doRefresh(JavaExceptionComposite.java:87)
at org.eclipse.wb.internal.core.editor.errors.ExceptionComposite$3.widgetSelected(ExceptionComposite.java:129)
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:1053)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4169)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3758)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1029)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:923)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:86)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:588)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:543)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
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:353)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180)
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:629)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584)
at org.eclipse.equinox.launcher.Main.run(Main.java:1438)

Full context stack trace:
org.eclipse.wb.internal.core.utils.check.AssertionFailedException: Can not find description for toolkit: org.eclipse.wb.swing
at org.eclipse.wb.internal.core.utils.check.Assert.fail(Assert.java:225)
at org.eclipse.wb.internal.core.utils.check.Assert.isNotNull(Assert.java:174)
at org.eclipse.wb.internal.core.model.description.helpers.DescriptionHelper.getToolkit(DescriptionHelper.java:515)
at org.eclipse.wb.internal.core.model.description.helpers.DescriptionHelper.getResourceInfo(DescriptionHelper.java:402)
at org.eclipse.wb.internal.core.model.description.helpers.DescriptionHelper.getResourceInfo(DescriptionHelper.java:338)
at org.eclipse.wb.internal.core.model.description.helpers.DescriptionHelper.getResourceInfo(DescriptionHelper.java:425)
at org.eclipse.wb.internal.core.model.description.helpers.DescriptionHelper.getResourceInfo00(DescriptionHelper.java:301)
at org.eclipse.wb.internal.core.model.description.helpers.DescriptionHelper.getResourceInfo0(DescriptionHelper.java:278)
at org.eclipse.wb.internal.core.model.description.helpers.DescriptionHelper.getResourceInfo(DescriptionHelper.java:232)
at org.eclipse.wb.internal.core.model.description.helpers.DescriptionHelper.getComponentDescriptionResource(DescriptionHelper.java:207)
at org.eclipse.wb.internal.core.model.description.helpers.DescriptionHelper.addDescriptionResources(DescriptionHelper.java:68)
at org.eclipse.wb.internal.core.model.description.helpers.ComponentDescriptionHelper.getDescription0(ComponentDescriptionHelper.java:364)
at org.eclipse.wb.internal.core.model.description.helpers.ComponentDescriptionHelper.getDescription0(ComponentDescriptionHelper.java:289)
at org.eclipse.wb.internal.core.model.description.helpers.ComponentDescriptionHelper.getDescription(ComponentDescriptionHelper.java:258)
at org.eclipse.wb.internal.core.model.JavaInfoUtils.createJavaInfo(JavaInfoUtils.java:386)
at org.eclipse.wb.internal.swing.parser.ParseFactory.getRootContext(ParseFactory.java:128)
at org.eclipse.wb.internal.core.parser.JavaInfoParser.prepareParseContext(JavaInfoParser.java:1182)
at org.eclipse.wb.internal.core.parser.JavaInfoParser.parse(JavaInfoParser.java:242)
at org.eclipse.wb.internal.core.parser.JavaInfoParser.access$9(JavaInfoParser.java:238)
at org.eclipse.wb.internal.core.parser.JavaInfoParser$1.runObject(JavaInfoParser.java:153)
at org.eclipse.wb.internal.core.parser.JavaInfoParser$1.runObject(JavaInfoParser.java:1)
at org.eclipse.wb.internal.core.utils.execution.ExecutionUtils.runDesignTime(ExecutionUtils.java:159)
at org.eclipse.wb.internal.core.parser.JavaInfoParser.parse(JavaInfoParser.java:151)
at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:534)
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:4687)
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.DesignPage.refreshGEF(DesignPage.java:392)
at org.eclipse.wb.internal.core.editor.actions.RefreshAction.run(RefreshAction.java:46)
at org.eclipse.wb.internal.core.editor.actions.DesignPageAction.run(DesignPageAction.java:34)
at org.eclipse.wb.internal.core.editor.errors.JavaExceptionComposite.doRefresh(JavaExceptionComposite.java:87)
at org.eclipse.wb.internal.core.editor.errors.ExceptionComposite$3.widgetSelected(ExceptionComposite.java:129)
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:1053)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4169)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3758)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1029)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:923)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:86)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:588)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:543)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
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:353)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180)
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:629)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584)
at org.eclipse.equinox.launcher.Main.run(Main.java:1438)

Re: can't open design view [message #990976 is a reply to message #990969] Sat, 15 December 2012 18:13 Go to previous messageGo to next message
Konstantin Scheglov is currently offline Konstantin Scheglov
Messages: 554
Registered: July 2009
Senior Member
Looks like incomplete installation.
Please reinstall.


Konstantin Scheglov,
Google, Inc.
Re: can't open design view [message #1035562 is a reply to message #990969] Sat, 06 April 2013 23:20 Go to previous messageGo to next message
michael harrington is currently offline michael harrington
Messages: 1
Registered: April 2013
Junior Member
If you have not yet done so, go to help and then check for updates. I had a similar issue, and after updating eclipse the issue has been resolved.
Re: can't open design view [message #1046954 is a reply to message #990969] Mon, 22 April 2013 11:38 Go to previous messageGo to next message
Audrius Frankonis is currently offline Audrius Frankonis
Messages: 1
Registered: April 2013
Junior Member
It happened to me, too. Worked fine for a few months, now it doesn't work. Updating didn't help matters either.
Re: can't open design view [message #1047176 is a reply to message #1046954] Mon, 22 April 2013 18:12 Go to previous message
Eric Clayberg is currently offline Eric Clayberg
Messages: 847
Registered: July 2009
Location: Boston, MA
Senior Member
I would suggest doing a full install into a clean copy of Eclipse using the latest build from the WindowBuilder download page.
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