Call web service in java code

I use CXF library to invoke web service in my code.I use this code but it gives me error :

java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    at org.glassfish.appclient.client.acc.AppClientContainer.launch(AppClientContainer.java:446)
    at org.glassfish.appclient.client.AppClientFacade.main(AppClientFacade.java:166)
Caused by: java.lang.NoClassDefFoundError: org/apache/cxf/service/factory/ServiceConstructionException
    at applicationclient3.Main.main(Main.java:24)
    ... 6 more
Caused by: java.lang.ClassNotFoundException: org.apache.cxf.service.factory.ServiceConstructionException
    at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
    at org.glassfish.appclient.client.acc.ACCClassLoader.findClass(ACCClassLoader.java:237)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

my Code:

DynamicClientFactory dcf = DynamicClientFactory.newInstance();
            Client client = dcf.createClient("http://localhost:8080/delegate/delegate?wsdl");
            Object[] res = client.invoke("hello", "John"); //hello is name of method