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EMF eCore .diagram files are not saved in EMF Compare API [message #1809900]

Thu, 25 July 2019 12:37

Mallikarjun Reddy

Messages: 1
Registered: July 2019

Junior Member

Hi Team,

we developed the .diagram files from EMF eCore functionality with org.eclipse.emf.transaction management functionality.

We unable to save the .diagram files in Compare API using the merge functionality.

We are getting the below Exception

java.lang.IllegalStateException: Cannot modify resource set without a write transaction
at org.eclipse.emf.transaction.impl.TransactionChangeRecorder.assertWriting(TransactionChangeRecorder.java:349)
at org.eclipse.emf.transaction.impl.TransactionChangeRecorder.appendNotification(TransactionChangeRecorder.java:303)
at org.eclipse.emf.transaction.impl.TransactionChangeRecorder.processObjectNotification(TransactionChangeRecorder.java:285)
at org.eclipse.emf.transaction.impl.TransactionChangeRecorder.notifyChanged(TransactionChangeRecorder.java:241)
at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:424)
at com.intervoice.gtf.tc.impl.CalculateValueTypeImpl.setExpr(CalculateValueTypeImpl.java:130)
at com.intervoice.gtf.tc.impl.CalculateValueTypeImpl.eSet(CalculateValueTypeImpl.java:161)
at org.eclipse.emf.compare.utils.ReferenceUtil.safeESet(ReferenceUtil.java:183)
at org.eclipse.emf.compare.merge.AttributeChangeMerger.changeValue(AttributeChangeMerger.java:329)
at org.eclipse.emf.compare.merge.AttributeChangeMerger.accept(AttributeChangeMerger.java:72)
at org.eclipse.emf.compare.merge.AbstractMerger.copyDiff(AbstractMerger.java:794)
at org.eclipse.emf.compare.merge.AbstractMerger.copyLeftToRight(AbstractMerger.java:817)
at org.eclipse.emf.compare.merge.BatchMerger.copyAllLeftToRight(BatchMerger.java:150)
at com.intervoice.gtf.compare.mergeviewer.ContentMergeViewer.copyLeftToRight(ContentMergeViewer.java:711)
at com.intervoice.gtf.compare.mergeviewer.ContentMergeViewer.copy(ContentMergeViewer.java:218)
at org.eclipse.compare.contentmergeviewer.ContentMergeViewer$3.run(ContentMergeViewer.java:940)
at org.eclipse.jface.action.Action.runWithEvent(Action.java:476)
at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:568)
at org.eclipse.jface.action.ActionContributionItem.lambda$5(ActionContributionItem.java:439)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4131)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1055)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3944)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3547)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1173)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1062)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:156)
at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:636)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:563)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:151)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:155)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:137)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
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:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:595)
at org.eclipse.equinox.launcher.Main.run(Main.java:1501)
at org.eclipse.equinox.launcher.Main.main(Main.java:1474)

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Re: EMF eCore .diagram files are not saved in EMF Compare API [message #1809917 is a reply to message #1809900]

Thu, 25 July 2019 16:09

Ed Merks

Messages: 30692
Registered: July 2009

Senior Member

You also opened this:

https://bugs.eclipse.org/bugs/show_bug.cgi?id=549563

You seems to have something special installed, com.intervoice.gtf.compare, so it's hard to comment on what that might be doing.

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