jetty作为嵌入式的服务器时报错，该怎么处理

jetty作为嵌入式的服务器时报错，该怎么处理

果:
*/
public class testjetty {
public static void main(string[] args) {
server server = new server();
queuedthreadpool threadpool = new queuedthreadpool(200);
server.setthreadpool(threadpool);

connector connector = new selectchannelconnector();
connector.setport(8080);
server.addconnector(connector);

webappcontext webapp = new webappcontext();
webapp.setcontextpath("/");
webapp.setwar("e:/jetty/jetty-6.1.26/jetty-6.1.26/webapps/testjetty.war");
webapp.setclassloader(thread.currentthread().getcontextclassloader());
server.sethandler(webapp);
try {
server.start();
server.join();