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Ecore Model Error when Migrating [message #384789] Thu, 04 June 2009 08:38 Go to next message
Aurel Ganga is currently offline Aurel GangaFriend
Messages: 14
Registered: July 2009
Junior Member
Hello,

I developed a ecore metamodel using the Ganymede distribution with
appropriate plugins, and now I installed the Eclipse Galileo distribution
with the same plugins, yet when i want to see the model from the workspace
I will get an error of the kind:


"Problems occurred when invoking code from plug-in: "org.eclipse.jface".
java.lang.NoClassDefFoundError:
org/eclipse/emf/transaction/Transaction$OptionMetadata
at
org.eclipse.gmf.runtime.diagram.ui.resources.editor.parts.Di agramDocumentEditor.createEditingDomain(DiagramDocumentEdito r.java:1541)
at
org.eclipse.gmf.runtime.diagram.ui.resources.editor.parts.Di agramDocumentEditor.doSetInput(DiagramDocumentEditor.java:45 7)
at
org.eclipse.gmf.runtime.diagram.ui.resources.editor.parts.Di agramDocumentEditor.setInput(DiagramDocumentEditor.java:423)
at org.eclipse.gef.ui.parts.GraphicalEditor.init(GraphicalEdito r.java:318)
at
org.eclipse.gmf.runtime.diagram.ui.parts.DiagramEditor.init( DiagramEditor.java:653)
at
org.eclipse.gmf.runtime.diagram.ui.resources.editor.parts.Di agramDocumentEditor.init(DiagramDocumentEditor.java:127)
at
org.eclipse.ui.internal.EditorManager.createSite(EditorManag er.java:798)
at
org.eclipse.ui.internal.EditorReference.createPartHelper(Edi torReference.java:644)
at
org.eclipse.ui.internal.EditorReference.createPart(EditorRef erence.java:462)
at
org.eclipse.ui.internal.WorkbenchPartReference.getPart(Workb enchPartReference.java:595)
at
org.eclipse.ui.internal.EditorReference.getEditor(EditorRefe rence.java:286)
at
org.eclipse.ui.internal.EditorManager.findEditor(EditorManag er.java:403)
at
org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched( WorkbenchPage.java:2799)
at
org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(Workben chPage.java:2762)
at
org.eclipse.ui.internal.WorkbenchPage.access$11(WorkbenchPag e.java:2754)
at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.j ava:2705)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator .java:70)
at
org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPa ge.java:2701)
at
org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPa ge.java:2685)
at
org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPa ge.java:2676)
at org.eclipse.ui.ide.IDE.openEditor(IDE.java:651)
at org.eclipse.ui.ide.IDE.openEditor(IDE.java:610)
at
org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInE ditor(EditorUtility.java:361)
at
org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInE ditor(EditorUtility.java:168)
at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:22 9)
at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:20 8)
at
org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchR un(SelectionDispatchAction.java:274)
at
org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(Selec tionDispatchAction.java:250)
at
org.eclipse.jdt.internal.ui.packageview.PackageExplorerActio nGroup.handleOpen(PackageExplorerActionGroup.java:373)
at
org.eclipse.jdt.internal.ui.packageview.PackageExplorerPart$ 4.open(PackageExplorerPart.java:526)
at
org.eclipse.ui.OpenAndLinkWithEditorHelper$InternalListener. open(OpenAndLinkWithEditorHelper.java:48)
at
org.eclipse.jface.viewers.StructuredViewer$2.run(StructuredV iewer.java:842)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.runtime.Platform.run(Platform.java:888)
at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:48)
at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:17 5)
at
org.eclipse.jface.viewers.StructuredViewer.fireOpen(Structur edViewer.java:840)
at
org.eclipse.jface.viewers.StructuredViewer.handleOpen(Struct uredViewer.java:1101)
at
org.eclipse.jface.viewers.StructuredViewer$6.handleOpen(Stru cturedViewer.java:1205)
at
org.eclipse.jface.util.OpenStrategy.fireOpenEvent(OpenStrate gy.java:264)
at org.eclipse.jface.util.OpenStrategy.access$2(OpenStrategy.ja va:258)
at
org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrate gy.java:298)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java :84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.ja va:3880)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java :3473)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.jav a:2405)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2369)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:22 21)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:500)
at
org.eclipse.core.databinding.observable.Realm.runWithDefault (Realm.java:332)
at
org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Work bench.java:493)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.j ava:149)
at
org.eclipse.ui.internal.ide.application.IDEApplication.start (IDEApplication.java:113)
at
org.eclipse.equinox.internal.app.EclipseAppHandle.run(Eclips eAppHandle.java:194)
at
org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher .runApplication(EclipseAppLauncher.java:110)
at
org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher .start(EclipseAppLauncher.java:79)
at
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseS tarter.java:368)
at
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseS tarter.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java: 559)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:514)
at org.eclipse.equinox.launcher.Main.run(Main.java:1311)
Caused by: java.lang.ClassNotFoundException:
org.eclipse.emf.transaction.Transaction$OptionMetadata
at
org.eclipse.osgi.internal.loader.BundleLoader.findClassInter nal(BundleLoader.java:489)
at
org.eclipse.osgi.internal.loader.BundleLoader.findClass(Bund leLoader.java:405)
at
org.eclipse.osgi.internal.loader.BundleLoader.findClass(Bund leLoader.java:393)
at
org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loa dClass(DefaultClassLoader.java:105)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
... 66 more"


My question is, what is the easiest way to use this metamodel?

A related problem is that I have the option to create an ecore diagram
through a wizard (like in Ganymede), but when it comes to the last step,
the button "Finish" is clickable yet has absolutely no effect, thus I am
unable to create ecore diagrams through the wizard.
Possible reasons/solutions?

Thanks in advance,
Aurel
Re: Ecore Model Error when Migrating [message #384794 is a reply to message #384789] Thu, 04 June 2009 10:03 Go to previous message
Ed Merks is currently offline Ed MerksFriend
Messages: 26217
Registered: July 2009
Senior Member
This is a multi-part message in MIME format.
--------------070907070107070109000505
Content-Type: text/plain; charset=ISO-8859-15; format=flowed
Content-Transfer-Encoding: 7bit

Aurel,

It sounds like some plugins are missing. Did you get the modeling package?

http://www.eclipse.org/downloads/packages/release/galileo/rc 2



Aurel Ganga wrote:
> Hello,
>
> I developed a ecore metamodel using the Ganymede distribution with
> appropriate plugins, and now I installed the Eclipse Galileo
> distribution with the same plugins, yet when i want to see the model
> from the workspace I will get an error of the kind:
>
>
> "Problems occurred when invoking code from plug-in: "org.eclipse.jface".
> java.lang.NoClassDefFoundError:
> org/eclipse/emf/transaction/Transaction$OptionMetadata
> at
> org.eclipse.gmf.runtime.diagram.ui.resources.editor.parts.Di agramDocumentEditor.createEditingDomain(DiagramDocumentEdito r.java:1541)
>
> at
> org.eclipse.gmf.runtime.diagram.ui.resources.editor.parts.Di agramDocumentEditor.doSetInput(DiagramDocumentEditor.java:45 7)
>
> at
> org.eclipse.gmf.runtime.diagram.ui.resources.editor.parts.Di agramDocumentEditor.setInput(DiagramDocumentEditor.java:423)
>
> at
> org.eclipse.gef.ui.parts.GraphicalEditor.init(GraphicalEdito r.java:318)
> at
> org.eclipse.gmf.runtime.diagram.ui.parts.DiagramEditor.init( DiagramEditor.java:653)
>
> at
> org.eclipse.gmf.runtime.diagram.ui.resources.editor.parts.Di agramDocumentEditor.init(DiagramDocumentEditor.java:127)
>
> at
> org.eclipse.ui.internal.EditorManager.createSite(EditorManag er.java:798)
> at
> org.eclipse.ui.internal.EditorReference.createPartHelper(Edi torReference.java:644)
>
> at
> org.eclipse.ui.internal.EditorReference.createPart(EditorRef erence.java:462)
>
> at
> org.eclipse.ui.internal.WorkbenchPartReference.getPart(Workb enchPartReference.java:595)
>
> at
> org.eclipse.ui.internal.EditorReference.getEditor(EditorRefe rence.java:286)
>
> at
> org.eclipse.ui.internal.EditorManager.findEditor(EditorManag er.java:403)
> at
> org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched( WorkbenchPage.java:2799)
>
> at
> org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(Workben chPage.java:2762)
>
> at
> org.eclipse.ui.internal.WorkbenchPage.access$11(WorkbenchPag e.java:2754)
> at
> org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.j ava:2705)
> at
> org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator .java:70)
> at
> org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPa ge.java:2701)
> at
> org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPa ge.java:2685)
> at
> org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPa ge.java:2676)
> at org.eclipse.ui.ide.IDE.openEditor(IDE.java:651)
> at org.eclipse.ui.ide.IDE.openEditor(IDE.java:610)
> at
> org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInE ditor(EditorUtility.java:361)
>
> at
> org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInE ditor(EditorUtility.java:168)
>
> at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:22 9)
> at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:20 8)
> at
> org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchR un(SelectionDispatchAction.java:274)
>
> at
> org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(Selec tionDispatchAction.java:250)
>
> at
> org.eclipse.jdt.internal.ui.packageview.PackageExplorerActio nGroup.handleOpen(PackageExplorerActionGroup.java:373)
>
> at
> org.eclipse.jdt.internal.ui.packageview.PackageExplorerPart$ 4.open(PackageExplorerPart.java:526)
>
> at
> org.eclipse.ui.OpenAndLinkWithEditorHelper$InternalListener. open(OpenAndLinkWithEditorHelper.java:48)
>
> at
> org.eclipse.jface.viewers.StructuredViewer$2.run(StructuredV iewer.java:842)
>
> at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
> at org.eclipse.core.runtime.Platform.run(Platform.java:888)
> at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:48)
> at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:17 5)
> at
> org.eclipse.jface.viewers.StructuredViewer.fireOpen(Structur edViewer.java:840)
>
> at
> org.eclipse.jface.viewers.StructuredViewer.handleOpen(Struct uredViewer.java:1101)
>
> at
> org.eclipse.jface.viewers.StructuredViewer$6.handleOpen(Stru cturedViewer.java:1205)
>
> at
> org.eclipse.jface.util.OpenStrategy.fireOpenEvent(OpenStrate gy.java:264)
> at
> org.eclipse.jface.util.OpenStrategy.access$2(OpenStrategy.ja va:258)
> at
> org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrate gy.java:298)
> at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java :84)
> at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003)
> at
> org.eclipse.swt.widgets.Display.runDeferredEvents(Display.ja va:3880)
> at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java :3473)
> at
> org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.jav a:2405)
> at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2369)
> at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:22 21)
> at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:500)
> at
> org.eclipse.core.databinding.observable.Realm.runWithDefault (Realm.java:332)
>
> at
> org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Work bench.java:493)
>
> at
> org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.j ava:149)
> at
> org.eclipse.ui.internal.ide.application.IDEApplication.start (IDEApplication.java:113)
>
> at
> org.eclipse.equinox.internal.app.EclipseAppHandle.run(Eclips eAppHandle.java:194)
>
> at
> org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher .runApplication(EclipseAppLauncher.java:110)
>
> at
> org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher .start(EclipseAppLauncher.java:79)
>
> at
> org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseS tarter.java:368)
>
> at
> org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseS tarter.java:179)
>
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
> at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java: 559)
> at org.eclipse.equinox.launcher.Main.basicRun(Main.java:514)
> at org.eclipse.equinox.launcher.Main.run(Main.java:1311)
> Caused by: java.lang.ClassNotFoundException:
> org.eclipse.emf.transaction.Transaction$OptionMetadata
> at
> org.eclipse.osgi.internal.loader.BundleLoader.findClassInter nal(BundleLoader.java:489)
>
> at
> org.eclipse.osgi.internal.loader.BundleLoader.findClass(Bund leLoader.java:405)
>
> at
> org.eclipse.osgi.internal.loader.BundleLoader.findClass(Bund leLoader.java:393)
>
> at
> org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loa dClass(DefaultClassLoader.java:105)
>
> at java.lang.ClassLoader.loadClass(Unknown Source)
> at java.lang.ClassLoader.loadClassInternal(Unknown Source)
> ... 66 more"
>
>
> My question is, what is the easiest way to use this metamodel?
> A related problem is that I have the option to create an ecore diagram
> through a wizard (like in Ganymede), but when it comes to the last
> step, the button "Finish" is clickable yet has absolutely no effect,
> thus I am unable to create ecore diagrams through the wizard.
> Possible reasons/solutions?
> Thanks in advance,
> Aurel
>
>
>

--------------070907070107070109000505
Content-Type: text/html; charset=ISO-8859-15
Content-Transfer-Encoding: 8bit

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta content="text/html;charset=ISO-8859-15"
http-equiv="Content-Type">
</head>
<body bgcolor="#ffffff" text="#000000">
Aurel,<br>
<br>
It sounds like some plugins are missing.
Re: Ecore Model Error when Migrating [message #616719 is a reply to message #384789] Thu, 04 June 2009 10:03 Go to previous message
Ed Merks is currently offline Ed MerksFriend
Messages: 26217
Registered: July 2009
Senior Member
This is a multi-part message in MIME format.
--------------070907070107070109000505
Content-Type: text/plain; charset=ISO-8859-15; format=flowed
Content-Transfer-Encoding: 7bit

Aurel,

It sounds like some plugins are missing. Did you get the modeling package?

http://www.eclipse.org/downloads/packages/release/galileo/rc 2



Aurel Ganga wrote:
> Hello,
>
> I developed a ecore metamodel using the Ganymede distribution with
> appropriate plugins, and now I installed the Eclipse Galileo
> distribution with the same plugins, yet when i want to see the model
> from the workspace I will get an error of the kind:
>
>
> "Problems occurred when invoking code from plug-in: "org.eclipse.jface".
> java.lang.NoClassDefFoundError:
> org/eclipse/emf/transaction/Transaction$OptionMetadata
> at
> org.eclipse.gmf.runtime.diagram.ui.resources.editor.parts.Di agramDocumentEditor.createEditingDomain(DiagramDocumentEdito r.java:1541)
>
> at
> org.eclipse.gmf.runtime.diagram.ui.resources.editor.parts.Di agramDocumentEditor.doSetInput(DiagramDocumentEditor.java:45 7)
>
> at
> org.eclipse.gmf.runtime.diagram.ui.resources.editor.parts.Di agramDocumentEditor.setInput(DiagramDocumentEditor.java:423)
>
> at
> org.eclipse.gef.ui.parts.GraphicalEditor.init(GraphicalEdito r.java:318)
> at
> org.eclipse.gmf.runtime.diagram.ui.parts.DiagramEditor.init( DiagramEditor.java:653)
>
> at
> org.eclipse.gmf.runtime.diagram.ui.resources.editor.parts.Di agramDocumentEditor.init(DiagramDocumentEditor.java:127)
>
> at
> org.eclipse.ui.internal.EditorManager.createSite(EditorManag er.java:798)
> at
> org.eclipse.ui.internal.EditorReference.createPartHelper(Edi torReference.java:644)
>
> at
> org.eclipse.ui.internal.EditorReference.createPart(EditorRef erence.java:462)
>
> at
> org.eclipse.ui.internal.WorkbenchPartReference.getPart(Workb enchPartReference.java:595)
>
> at
> org.eclipse.ui.internal.EditorReference.getEditor(EditorRefe rence.java:286)
>
> at
> org.eclipse.ui.internal.EditorManager.findEditor(EditorManag er.java:403)
> at
> org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched( WorkbenchPage.java:2799)
>
> at
> org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(Workben chPage.java:2762)
>
> at
> org.eclipse.ui.internal.WorkbenchPage.access$11(WorkbenchPag e.java:2754)
> at
> org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.j ava:2705)
> at
> org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator .java:70)
> at
> org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPa ge.java:2701)
> at
> org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPa ge.java:2685)
> at
> org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPa ge.java:2676)
> at org.eclipse.ui.ide.IDE.openEditor(IDE.java:651)
> at org.eclipse.ui.ide.IDE.openEditor(IDE.java:610)
> at
> org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInE ditor(EditorUtility.java:361)
>
> at
> org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInE ditor(EditorUtility.java:168)
>
> at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:22 9)
> at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:20 8)
> at
> org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchR un(SelectionDispatchAction.java:274)
>
> at
> org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(Selec tionDispatchAction.java:250)
>
> at
> org.eclipse.jdt.internal.ui.packageview.PackageExplorerActio nGroup.handleOpen(PackageExplorerActionGroup.java:373)
>
> at
> org.eclipse.jdt.internal.ui.packageview.PackageExplorerPart$ 4.open(PackageExplorerPart.java:526)
>
> at
> org.eclipse.ui.OpenAndLinkWithEditorHelper$InternalListener. open(OpenAndLinkWithEditorHelper.java:48)
>
> at
> org.eclipse.jface.viewers.StructuredViewer$2.run(StructuredV iewer.java:842)
>
> at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
> at org.eclipse.core.runtime.Platform.run(Platform.java:888)
> at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:48)
> at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:17 5)
> at
> org.eclipse.jface.viewers.StructuredViewer.fireOpen(Structur edViewer.java:840)
>
> at
> org.eclipse.jface.viewers.StructuredViewer.handleOpen(Struct uredViewer.java:1101)
>
> at
> org.eclipse.jface.viewers.StructuredViewer$6.handleOpen(Stru cturedViewer.java:1205)
>
> at
> org.eclipse.jface.util.OpenStrategy.fireOpenEvent(OpenStrate gy.java:264)
> at
> org.eclipse.jface.util.OpenStrategy.access$2(OpenStrategy.ja va:258)
> at
> org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrate gy.java:298)
> at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java :84)
> at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003)
> at
> org.eclipse.swt.widgets.Display.runDeferredEvents(Display.ja va:3880)
> at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java :3473)
> at
> org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.jav a:2405)
> at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2369)
> at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:22 21)
> at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:500)
> at
> org.eclipse.core.databinding.observable.Realm.runWithDefault (Realm.java:332)
>
> at
> org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Work bench.java:493)
>
> at
> org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.j ava:149)
> at
> org.eclipse.ui.internal.ide.application.IDEApplication.start (IDEApplication.java:113)
>
> at
> org.eclipse.equinox.internal.app.EclipseAppHandle.run(Eclips eAppHandle.java:194)
>
> at
> org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher .runApplication(EclipseAppLauncher.java:110)
>
> at
> org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher .start(EclipseAppLauncher.java:79)
>
> at
> org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseS tarter.java:368)
>
> at
> org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseS tarter.java:179)
>
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
> at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java: 559)
> at org.eclipse.equinox.launcher.Main.basicRun(Main.java:514)
> at org.eclipse.equinox.launcher.Main.run(Main.java:1311)
> Caused by: java.lang.ClassNotFoundException:
> org.eclipse.emf.transaction.Transaction$OptionMetadata
> at
> org.eclipse.osgi.internal.loader.BundleLoader.findClassInter nal(BundleLoader.java:489)
>
> at
> org.eclipse.osgi.internal.loader.BundleLoader.findClass(Bund leLoader.java:405)
>
> at
> org.eclipse.osgi.internal.loader.BundleLoader.findClass(Bund leLoader.java:393)
>
> at
> org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loa dClass(DefaultClassLoader.java:105)
>
> at java.lang.ClassLoader.loadClass(Unknown Source)
> at java.lang.ClassLoader.loadClassInternal(Unknown Source)
> ... 66 more"
>
>
> My question is, what is the easiest way to use this metamodel?
> A related problem is that I have the option to create an ecore diagram
> through a wizard (like in Ganymede), but when it comes to the last
> step, the button "Finish" is clickable yet has absolutely no effect,
> thus I am unable to create ecore diagrams through the wizard.
> Possible reasons/solutions?
> Thanks in advance,
> Aurel
>
>
>

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Aurel,<br>
<br>
It sounds like some plugins are missing.
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