Embedding Tomcat 7

Tomcat 6

public static void main(String[] args) throws Exception {
  String weppAppHome = args[0];
  Integer port = Integer.valueOf(args[1]);

  Server server = new Server(port);

  WebAppContext webapp = new WebAppContext();
  webapp.setContextPath("/myapp");
  webapp.setCompactPath(true);

  webapp.setDescriptor(weppAppHome + "/WEB-INF/web.xml");
  webapp.setResourceBase(weppAppHome);
  webapp.setParentLoaderPriority(true);

  server.setHandler(webapp);
  server.start();
  server.join();
}

 Tomcat 7

public static void main(String[] args) throws Exception {
  String appBase = args[0];
  Integer port = Integer.valueOf(args[1]);

  Tomcat tomcat = new Tomcat();
  tomcat.setPort(port);

  tomcat.setBaseDir(".");
  tomcat.getHost().setAppBase(appBase);

  String contextPath = "/myapp";

  // Add AprLifecycleListener
  StandardServer server = (StandardServer)tomcat.getServer();
  AprLifecycleListener listener = new AprLifecycleListener();
  server.addLifecycleListener(listener);

  tomcat.addWebapp(contextPath, appBase);
  tomcat.start();
  tomcat.getServer().await();
}