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Bug 342240 - Texo: Generate Mode Code crashes with java.lang.NoSuchMethodError: org.eclipse.emf.mwe.core.WorkflowRunner.prepare
Summary: Texo: Generate Mode Code crashes with java.lang.NoSuchMethodError: org.eclips...
Status: RESOLVED FIXED
Alias: None
Product: EMFT
Classification: Modeling
Component: Texo (show other bugs)
Version: unspecified   Edit
Hardware: Macintosh Mac OS X
: P3 normal (vote)
Target Milestone: ---   Edit
Assignee: Martin Taal CLA
QA Contact:
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Depends on:
Blocks:
 
Reported: 2011-04-08 04:23 EDT by Peter Kullmann CLA
Modified: 2011-04-26 09:23 EDT (History)
0 users

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Description Peter Kullmann CLA 2011-04-08 04:23:51 EDT
I'm trying to generate code from an *.ecore file. This does nothing (doesn't even show an error message). The following exception is logged:

java.lang.IllegalStateException: Exception while generating
	at org.eclipse.emf.texo.eclipse.popup.actions.BaseGenerateAction.run(BaseGenerateAction.java:76)
	at org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:251)
	at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584)
	at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501)
	at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:3783)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1375)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1398)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1383)
	at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1195)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3629)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3284)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438)
	at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115)
	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:369)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:620)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:575)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1408)
Caused by: java.lang.reflect.InvocationTargetException
	at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:421)
	at org.eclipse.jface.dialogs.ProgressMonitorDialog.run(ProgressMonitorDialog.java:507)
	at org.eclipse.ui.internal.progress.ProgressMonitorJobsDialog.run(ProgressMonitorJobsDialog.java:275)
	at org.eclipse.ui.internal.progress.ProgressManager$5.run(ProgressManager.java:960)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
	at org.eclipse.ui.internal.progress.ProgressManager.busyCursorWhile(ProgressManager.java:995)
	at org.eclipse.ui.internal.progress.ProgressManager.busyCursorWhile(ProgressManager.java:970)
	at org.eclipse.ui.internal.progress.ProgressManager.run(ProgressManager.java:1166)
	at org.eclipse.emf.texo.eclipse.popup.actions.BaseGenerateAction.run(BaseGenerateAction.java:74)
	... 32 more
Caused by: java.lang.NoSuchMethodError: org.eclipse.emf.mwe.core.WorkflowRunner.prepare(Ljava/lang/String;Lorg/eclipse/emf/mwe/core/monitor/ProgressMonitor;Ljava/util/Map;)Z
	at org.eclipse.emf.texo.generator.WorkFlowStarter.runWorkFlow(WorkFlowStarter.java:162)
	at org.eclipse.emf.texo.generator.WorkFlowStarter.runWorkFlow(WorkFlowStarter.java:122)
	at org.eclipse.emf.texo.generator.WorkFlowStarter.generateModelCode(WorkFlowStarter.java:74)
	at org.eclipse.emf.texo.eclipse.popup.actions.GenerateCode.generateFromUris(GenerateCode.java:54)
	at org.eclipse.emf.texo.eclipse.popup.actions.BaseGenerateAction.generate(BaseGenerateAction.java:117)
	at org.eclipse.emf.texo.eclipse.popup.actions.BaseGenerateAction.generate(BaseGenerateAction.java:97)
	at org.eclipse.emf.texo.eclipse.popup.actions.BaseGenerateAction.access$0(BaseGenerateAction.java:80)
	at org.eclipse.emf.texo.eclipse.popup.actions.BaseGenerateAction$1.execute(BaseGenerateAction.java:70)
	at org.eclipse.ui.actions.WorkspaceModifyOperation$1.run(WorkspaceModifyOperation.java:106)
	at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1975)
	at org.eclipse.ui.actions.WorkspaceModifyOperation.run(WorkspaceModifyOperation.java:118)
	at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121)

My setup is a Eclipse SDK 3.6.2 with Texo 0.1.0.v201104071256.
Comment 1 Martin Taal CLA 2011-04-08 04:25:51 EDT
Hi Peter,
I know that mwe has changed its api in a later release (after 3.6.1), can you list the mwe plugin versions?

It is a topic I want to cover when making Texo available for Indigo (3.7).

gr. Martin
Comment 2 Peter Kullmann CLA 2011-04-08 04:37:25 EDT
Hi Martin,
My mwe plugins are:
- org.eclipse.emf.mwe.core 1.1.0.v201103160530
- org.eclipse.emf.mwe2.runtime 2.0.0.v201103160530

Can you give me a workaround for the problem, please?
Comment 3 Martin Taal CLA 2011-04-08 04:39:05 EDT
I have no workaround at the moment (other than downgrading to a previous version of mwe)... 
I will try to work on this this weekend.

gr. Martin
Comment 4 Peter Kullmann CLA 2011-04-08 09:10:19 EDT
How can I downgrade to a previous version of mwe? Older plugins do exist in my plugins folder but I assume I cannot just delete the offending version... I guess I wait for next week. Thanks for taking care of it.
Comment 5 Martin Taal CLA 2011-04-23 18:09:33 EDT
This has been solved in the latest build of Texo (published a few mins back)
Comment 6 Peter Kullmann CLA 2011-04-26 09:23:50 EDT
Works great. Thanks.