java.lang.RuntimeException
at org.eclipse.graphiti.ui.internal.services.impl.EmfService.save(EmfService.java:288)
at org.eclipse.graphiti.ui.editor.DefaultPersistencyBehavior.save(DefaultPersistencyBehavior.java:281)
at org.switchyard.tools.ui.editor.impl.SwitchyardSCAEditor$SwitchYardPersistencyBehavior.save(SwitchyardSCAEditor.java:879)
at org.eclipse.graphiti.ui.editor.DefaultPersistencyBehavior$1.run(DefaultPersistencyBehavior.java:250)
at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121)