Bug 324841 Launching with -persistState false leads to an NPE
Like reported on the newsgroup launching with this flag set to true leads to an NPE because we still try to load the deltas.
bundles/org.eclipse.e4.ui.workbench/src/org/eclipse/e4/ui/internal/workbench/ResourceHandler.java
/*******************************************************************************
 * Copyright (c) 2009 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
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package org.eclipse.e4.ui.internal.workbench;
import java.io.File;
import java.io.IOException;
import java.net.URISyntaxException;
import java.net.URLConnection;
import java.util.Collection;
import java.util.Collections;
import java.util.Map;
import javax.annotation.PostConstruct;
import javax.inject.Inject;
import javax.inject.Named;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import org.eclipse.core.internal.runtime.PlatformURLPluginConnection;
import org.eclipse.core.runtime.URIUtil;
import org.eclipse.e4.core.contexts.ContextInjectionFactory;