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NoClassDefFound Exception cglib/Callback [message #815582]

Wed, 07 March 2012 20:52

Umutcan Simsek

Messages: 2
Registered: March 2012

Junior Member

Hi Folks,

I'm using WindowsBuilder Pro newly. First, I plugged in to eclipse which is stand on my Xubuntu Virtual Machine. After a few tries, i decided to setup on windows either. But, although that i applied the same procedure to setup, when i try to switch design mode of a JFrame i get the error below:

Internal Error
encountered unexpected internal error. 

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

java.lang.NoClassDefFoundError: net/sf/cglib/proxy/Callback



Show stack trace. 
Hide stack trace. 

Stack trace:
java.lang.ClassNotFoundException: net.sf.cglib.proxy.Callback
	at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:513)
	at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:429)
	at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:417)
	at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at org.eclipse.wb.internal.core.utils.state.EditorState.getBroadcast(EditorState.java:130)
	at org.eclipse.wb.internal.core.parser.JavaInfoParser.<init>(JavaInfoParser.java:217)
	at org.eclipse.wb.internal.core.parser.JavaInfoParser.<init>(JavaInfoParser.java:209)
	at org.eclipse.wb.internal.core.parser.JavaInfoParser.parse(JavaInfoParser.java:150)
	at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:537)
	at org.eclipse.wb.internal.core.editor.DesignPage.access$9(DesignPage.java:525)
	at org.eclipse.wb.internal.core.editor.DesignPage$8$1.run(DesignPage.java:452)
	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:4683)
	at org.eclipse.wb.internal.core.editor.DesignPage$8.run(DesignPage.java:449)
	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:468)
	at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:418)
	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:266)
	at org.eclipse.wb.internal.core.editor.DesignPage.handleActiveState(DesignPage.java:244)
	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:240)
	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.Widget.sendEvent(Widget.java:1077)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1062)
	at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:774)
	at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:2746)
	at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:1433)
	at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:257)
	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:4165)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3754)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2701)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2665)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2499)
	at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:679)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:668)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123)
	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:344)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
	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:622)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1410)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1386)

Full context stack trace:
java.lang.NoClassDefFoundError: net/sf/cglib/proxy/Callback
	at org.eclipse.wb.internal.core.utils.state.EditorState.getBroadcast(EditorState.java:130)
	at org.eclipse.wb.internal.core.parser.JavaInfoParser.<init>(JavaInfoParser.java:217)
	at org.eclipse.wb.internal.core.parser.JavaInfoParser.<init>(JavaInfoParser.java:209)
	at org.eclipse.wb.internal.core.parser.JavaInfoParser.parse(JavaInfoParser.java:150)
	at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:537)
	at org.eclipse.wb.internal.core.editor.DesignPage.access$9(DesignPage.java:525)
	at org.eclipse.wb.internal.core.editor.DesignPage$8$1.run(DesignPage.java:452)
	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:4683)
	at org.eclipse.wb.internal.core.editor.DesignPage$8.run(DesignPage.java:449)
	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:468)
	at org.eclipse.wb.internal.core.editor.DesignPage.internal_refreshGEF(DesignPage.java:418)
	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:266)
	at org.eclipse.wb.internal.core.editor.DesignPage.handleActiveState(DesignPage.java:244)
	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:240)
	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.Widget.sendEvent(Widget.java:1077)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1062)
	at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:774)
	at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:2746)
	at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:1433)
	at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:257)
	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:4165)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3754)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2701)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2665)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2499)
	at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:679)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:668)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123)
	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:344)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
	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:622)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1410)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1386)
Caused by: java.lang.ClassNotFoundException: net.sf.cglib.proxy.Callback
	at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:513)
	at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:429)
	at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:417)
	at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	... 56 more

I added the cglib.jar as referenced library to my project configuration, but still i got the same issue.

Any helps will be appreciated, Umutcan.

Edit: I'm using Swing Designer.

[Updated on: Wed, 07 March 2012 20:58]

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Re: NoClassDefFound Exception cglib/Callback [message #815737 is a reply to message #815582]

Thu, 08 March 2012 01:37

Eric Clayberg

Messages: 979
Registered: July 2009
Location: Boston, MA

Senior Member

I would suggest posting a test case.

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Re: NoClassDefFound Exception cglib/Callback [message #815746 is a reply to message #815737]

Thu, 08 March 2012 01:49

Konstantin Scheglov

Messages: 555
Registered: July 2009

Senior Member

I have no idea.
I can only repeat error message - there is some installation problem.
Eclipse error log (workspace/.metadata/.log) may help, may be there are OSGi messages about problems with installed bundles.
But easier would be try to install WB again.

Konstantin Scheglov,
Google, Inc.

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Re: NoClassDefFound Exception cglib/Callback [message #816372 is a reply to message #815746]

Thu, 08 March 2012 19:26

Umutcan Simsek

Messages: 2
Registered: March 2012

Junior Member

@Eric If you don't mind, can you explain that what did you mean with "test case". what kind of test?

Thank you for answering. I'm going to install again, at last resort.

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Re: NoClassDefFound Exception cglib/Callback [message #816579 is a reply to message #816372]

Fri, 09 March 2012 02:15

Eric Clayberg

Messages: 979
Registered: July 2009
Location: Boston, MA

Senior Member

Umutcan Simsek wrote on Thu, 08 March 2012 14:26

can you explain that what did you mean with "test case".

See the docs.

[Updated on: Fri, 09 March 2012 02:15]

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Re: NoClassDefFound Exception cglib/Callback [message #819668 is a reply to message #816579]

Tue, 13 March 2012 07:17

honghui xu

Messages: 2
Registered: March 2012

Junior Member

No Message Body

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Re: NoClassDefFound Exception cglib/Callback [message #819669 is a reply to message #819668]

Tue, 13 March 2012 07:17

honghui xu

Messages: 2
Registered: March 2012

Junior Member

Hi,
Umutcan

Do you resolve the problem
" WindowBuilder java.lang.NoClassDefFoundError: net/sf/cglib/proxy/Callback " ?

if you have solved , please tell me the skill ,thanks very much !

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Re: NoClassDefFound Exception cglib/Callback [message #826262 is a reply to message #819669]

Wed, 21 March 2012 21:45

Eric Clayberg

Messages: 979
Registered: July 2009
Location: Boston, MA

Senior Member

I would suggest a full reinstall of Eclipse and WindowBuilder.

CGLib is located in the org.eclipse.wb.runtime.lib plugin (in the cglib-nodep-2.2.jar file). If you don't have that, it suggests an install issue of some sort.

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