求xfire Client 例子一个.可追加分数.该怎么处理

public String sayHello(String str);public String login(User user);

Exception in thread "main" java.lang.NoClassDefFoundError    at org.codehaus.xfire.aegis.type.DefaultTypeMappingRegistry.class$(DefaultTypeMappingRegistry.java:64)    at org.codehaus.xfire.aegis.type.DefaultTypeMappingRegistry.createDefaultMappings(DefaultTypeMappingRegistry.java:406)    at org.codehaus.xfire.aegis.type.DefaultTypeMappingRegistry.createDefaultMappings(DefaultTypeMappingRegistry.java:311)    at org.codehaus.xfire.aegis.type.DefaultTypeMappingRegistry.<init>(DefaultTypeMappingRegistry.java:131)    at org.codehaus.xfire.aegis.type.DefaultTypeMappingRegistry.<init>(DefaultTypeMappingRegistry.java:137)    at org.codehaus.xfire.aegis.type.DefaultTypeMappingRegistry.<init>(DefaultTypeMappingRegistry.java:118)    at org.codehaus.xfire.aegis.AegisBindingProvider.<init>(AegisBindingProvider.java:67)    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)    at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)    at java.lang.reflect.Constructor.newInstance(Unknown Source)    at java.lang.Class.newInstance0(Unknown Source)    at java.lang.Class.newInstance(Unknown Source)    at org.codehaus.xfire.service.binding.ObjectServiceFactory.getBindingProvider(ObjectServiceFactory.java:173)    at org.codehaus.xfire.service.binding.DefaultServiceConfiguration.getInParameterName(DefaultServiceConfiguration.java:162)    at org.codehaus.xfire.service.binding.ObjectServiceFactory.getInParameterName(ObjectServiceFactory.java:1063)    at org.codehaus.xfire.service.binding.ObjectServiceFactory.addOperation(ObjectServiceFactory.java:817)    at org.codehaus.xfire.service.binding.ObjectServiceFactory.initializeOperations(ObjectServiceFactory.java:761)    at org.codehaus.xfire.service.binding.ObjectServiceFactory.create(ObjectServiceFactory.java:444)    at test.arws.com.webServiceTest.main(webServiceTest.java:20)Caused by: java.lang.ClassNotFoundException: org.jdom.Element    at java.net.URLClassLoader$1.run(Unknown Source)    at java.security.AccessController.doPrivileged(Native Method)    at java.net.URLClassLoader.findClass(Unknown Source)    at java.lang.ClassLoader.loadClass(Unknown Source)    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)    at java.lang.ClassLoader.loadClass(Unknown Source)    at java.lang.Class.forName0(Native Method)    at java.lang.Class.forName(Unknown Source)    ... 20 more

Client client;        try {            client = new Client(new URL(            "http://localhost:8080/A/services/Service?wsdl"));            Object[] results = client            .invoke("sayHello", new Object[] { "Firends" });            System.out.println(results[0]);        } catch (MalformedURLException e) {            // TODO Auto-generated catch block            e.printStackTrace();        } catch (Exception e) {            // TODO Auto-generated catch block            e.printStackTrace();        }