public EmbeddedTomcat(String contextPath, int port, String jvmRoute)
      throws MalformedURLException {
    this.contextPath = contextPath;
    this.port = port;

    // create server
    container = new Embedded();
    container.setCatalinaHome(catalinaHome);
    // Not really necessasry, but let's still do it...
    container.setRealm(new MemoryRealm());

    // create webapp loader
    WebappLoader loader = new WebappLoader(this.getClass().getClassLoader());
    if (classesDir != null) {
      loader.addRepository(new File(classesDir).toURI().toURL().toString());
    }

    rootContext = container.createContext("", webappDir);
    rootContext.setLoader(loader);
    rootContext.setReloadable(true);
    // Otherwise we get NPE when instantiating servlets
    rootContext.setIgnoreAnnotations(true);

    // create host
    Host localHost = container.createHost("127.0.0.1", new File("").getAbsolutePath());
    localHost.addChild(rootContext);

    localHost.setDeployOnStartup(true);

    // create engine
    engine = container.createEngine();
    engine.setName("localEngine");
    engine.addChild(localHost);
    engine.setDefaultHost(localHost.getName());
    engine.setJvmRoute(jvmRoute);
    engine.setService(new StandardService());
    container.addEngine(engine);

    // create http connector
    Connector httpConnector = container.createConnector((InetAddress) null, port, false);
    container.addConnector(httpConnector);
    container.setAwait(true);

    // Create the JVMRoute valve for session failover
    ValveBase valve = new JvmRouteBinderValve();
    ((StandardEngine) engine).addValve(valve);
  }