Bug 299680 Loading model deltas should properly process exception and fallback to the base model
bundles/org.eclipse.e4.ui.workbench/src/org/eclipse/e4/workbench/ui/internal/Workbench.java
import org.eclipse.e4.ui.model.application.MContext;
import org.eclipse.e4.ui.model.application.MElementContainer;
import org.eclipse.e4.ui.model.application.MHandler;
import org.eclipse.e4.ui.model.application.MHandlerContainer;
import org.eclipse.e4.ui.model.application.MKeyBinding;
import org.eclipse.e4.ui.model.application.MPSCElement;
import org.eclipse.e4.ui.model.application.MParameter;
import org.eclipse.e4.ui.model.application.MPart;
import org.eclipse.e4.ui.model.application.MUIElement;
import org.eclipse.e4.ui.model.application.MWindow;
import org.eclipse.e4.ui.services.IServiceConstants;
import org.eclipse.e4.ui.services.IStylingEngine;
import org.eclipse.e4.ui.services.events.IEventBroker;
import org.eclipse.e4.workbench.modeling.EPartService;
import org.eclipse.e4.workbench.ui.IExceptionHandler;
import org.eclipse.e4.workbench.ui.IPresentationEngine;
import org.eclipse.e4.workbench.ui.IWorkbench;
import org.eclipse.e4.workbench.ui.IWorkbenchWindowHandler;
import org.eclipse.emf.common.notify.Notifier;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.common.util.TreeIterator;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.URIConverter;
import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
import org.eclipse.osgi.service.datalocation.Location;
import org.osgi.framework.Bundle;
import org.osgi.service.packageadmin.PackageAdmin;
public class Workbench implements IWorkbench {