Has anyone been able to resolve this? We have difficulty connecting via client to web service endpoint. When running client we see, JBDS 2.0 GA JAX-WS 2.0 Server: JBoss 4.3 EAP CP02 *********************** Create Web Service Client... Create Web Service... Call Web Service Operation... 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$RpcLit$PartBuilder.readResponse(ResponseBuilder.java:635) at com.sun.xml.ws.client.sei.ResponseBuilder$RpcLit.readResponse(ResponseBuilder.java:599) 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 $Proxy22.echo(Unknown Source) at venture.services.helloworld.clientsample.ClientSample.main(ClientSample.java:16) Caused by: java.lang.ClassNotFoundException: com.sun.xml.messaging.saaj.soap.AttachmentPartImpl at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:276) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319) ... 8 more View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4242052#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...