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[news.eclipse.modeling.gmt.amw] [AMW] Error while transforming AMW 2 ATL

Hi,

 

I am a new amw user.  I am using the data mapping (FK2Nested) use case to get familiar with the capabilities of the tool.

 

I have a problem generating HOT transformations out of the weaving model.

 

I have imported the example into Eclipse but whenever I open FK2Nested_AMW.amw, the file opens with leftModel, weavingModel adnrightModels properly displayed but I get the following error:

 

“An error occurred while traversing resources” with the following Exception stack trace:

 

java.lang.NullPointerException

                at org.atl.eclipse.engine.AtlCompiler.compile(AtlCompiler.java:62)

                at org.atl.eclipse.adt.builder.AtlBuildVisitor.visit(AtlBuildVisitor.java:71)

                at org.eclipse.core.internal.resources.Resource$2.visit(Resource.java:105)

                at org.eclipse.core.internal.resources.Resource$1.visitElement(Resource.java:57)

                at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:81)

                at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:85)

                at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:85)

                at org.eclipse.core.internal.watson.ElementTreeIterator.iterate(ElementTreeIterator.java:126)

                at org.eclipse.core.internal.resources.Resource.accept(Resource.java:67)

                at org.eclipse.core.internal.resources.Resource.accept(Resource.java:103)

                at org.eclipse.core.internal.resources.Resource.accept(Resource.java:87)

                at org.atl.eclipse.adt.builder.AtlBuilder.fullBuild(AtlBuilder.java:43)

                at org.atl.eclipse.adt.builder.AtlBuilder$1.run(AtlBuilder.java:32)

                at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1737)

                at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1719)

                at org.atl.eclipse.adt.builder.AtlBuilder.run(AtlBuilder.java:53)

                at org.atl.eclipse.adt.builder.AtlBuilder.build(AtlBuilder.java:35)

                at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:603)

                at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)

                at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:167)

                at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:201)

                at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:230)

                at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)

                at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:233)

                at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:252)

                at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:285)

                at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:145)

                at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:208)

                at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)

 

When I us the ‘Transform’ context menu to ‘Generate Transformation (HOT)’, I get a confirmation message that a new FK2Nested_AMW_hot.ecore model.  I use the context menu to extract ATL-0.2 model to ATL-0.2 file but I get an empty ATL file. 

 

When I go back to check the ATL.ecore model, I get the following error:

 

Unable to create this part due to an internal error. Reason for the failure: assertion failed:

 

at org.eclipse.ui.part.MultiPageEditorPart.createPartControl(MultiPageEditorPart.java:280)

                at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:596)

                at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:372)

                at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:566)

                at org.eclipse.ui.internal.EditorReference.getEditor(EditorReference.java:214)

                at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2595)

                at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2528)

                at org.eclipse.ui.internal.WorkbenchPage.access$10(WorkbenchPage.java:2520)

                at org.eclipse.ui.internal.WorkbenchPage$9.run(WorkbenchPage.java:2505)

                at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)

                at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2500)

                at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2485)

                at org.eclipse.ui.ide.IDE.openEditor(IDE.java:388)

                at org.eclipse.ui.ide.IDE.openEditor(IDE.java:350)

                at org.eclipse.ui.actions.OpenFileAction.openFile(OpenFileAction.java:98)

                at org.eclipse.ui.actions.OpenSystemEditorAction.run(OpenSystemEditorAction.java:98)

                at org.eclipse.ui.views.navigator.OpenActionGroup.runDefaultAction(OpenActionGroup.java:125)

                at org.eclipse.ui.views.navigator.MainActionGroup.runDefaultAction(MainActionGroup.java:328)

                at org.eclipse.ui.views.navigator.ResourceNavigator.handleOpen(ResourceNavigator.java:679)

                at org.eclipse.ui.views.navigator.ResourceNavigator$6.open(ResourceNavigator.java:434)

                at org.eclipse.jface.viewers.StructuredViewer$2.run(StructuredViewer.java:817)

                at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)

                at org.eclipse.core.runtime.Platform.run(Platform.java:843)

                at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:44)

                at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:149)

                at org.eclipse.jface.viewers.StructuredViewer.fireOpen(StructuredViewer.java:815)

                at org.eclipse.jface.viewers.StructuredViewer.handleOpen(StructuredViewer.java:1069)

                at org.eclipse.jface.viewers.StructuredViewer$6.handleOpen(StructuredViewer.java:1168)

                at org.eclipse.jface.util.OpenStrategy.fireOpenEvent(OpenStrategy.java:249)

                at org.eclipse.jface.util.OpenStrategy.access$2(OpenStrategy.java:243)

                at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:283)

                at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)

                at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:928)

                at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3348)

                at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2968)

                at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1914)

                at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1878)

                at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:419)

                at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)

                at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:95)

                at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78)

                at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92)

                at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68)

                at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400)

                at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177)

                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.core.launcher.Main.invokeFramework(Main.java:336)

                at org.eclipse.core.launcher.Main.basicRun(Main.java:280)

                at org.eclipse.core.launcher.Main.run(Main.java:977)

                at org.eclipse.core.launcher.Main.main(Main.java:952)

 

 

After trying with different combinations of Eclipse, EMF, ATL and AMW, I am now using Eclipse 3.2.1, EMF 2.2.1, AMW (Feb 16, 2007) and ATL/AM3 (Feb 16, 2007).

 

Thanks for your help