Exception in thread "main" java.lang.NoClassDefFoundError: com/sun/xml/messaging/saaj/soap/AttachmentPartImpl at com.sun.xml.ws.message.AttachmentUnmarshallerImpl.(AttachmentUnmarshallerImpl.java:55) at com.sun.xml.ws.client.sei.ResponseBuilder$DocLit.readResponse(ResponseBuilder.java:500) at com.sun.xml.ws.client.sei.SyncMethodHandler.invoke(SyncMethodHandler.java:242) at com.sun.xml.ws.client.sei.SyncMethodHandler.invoke(SyncMethodHandler.java:210) at com.sun.xml.ws.client.sei.SEIStub.invoke(SEIStub.java:103) at $Proxy25.sayHello(Unknown Source) at org.jboss.samples.webservices.clientsample.ClientSample.main(ClientSample.java:14) Caused by: java.lang.ClassNotFoundException: com.sun.xml.messaging.saaj.soap.AttachmentPartImpl at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) ... 7 more