this is my error : anonymous wrote : Starting Test Client | Creating a service Using: | http://localhost:8080/test/EchoBean?wsdl | and {http://ejb/jaws}EchoService | Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/xerces/xs/XSModel | at org.jboss.ws.deployment.JSR109ClientMetaDataBuilder.buildMetaData(JSR109ClientMetaDataBuilder.java:106) | at org.jboss.ws.deployment.JSR109ClientMetaDataBuilder.buildMetaData(JSR109ClientMetaDataBuilder.java:82) | at org.jboss.ws.jaxrpc.ServiceImpl.(ServiceImpl.java:96) | at org.jboss.ws.jaxrpc.ServiceFactoryImpl.createService(ServiceFactoryImpl.java:157) | at org.jboss.ws.jaxrpc.ServiceFactoryImpl.createService(ServiceFactoryImpl.java:128) | at Client.main(Client.java:19) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4022527#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...