Hi alessio I exactly have followed this topic (http://www.jboss.org/index.html?module=bb&op=viewtopic&t=123643) to implement BASIC (authentication) security for my web service, but I am getting the following exeception Exception in thread "main" java.lang.NoSuchMethodError: org.jboss.wsf.common.DOMUtils.clearThreadLocals()V at org.jboss.ws.core.jaxws.spi.ProviderImpl.createServiceDelegate(ProviderImpl.java:64) at javax.xml.ws.Service.(Service.java:57) at javax.xml.ws.Service.create(Service.java:302) at org.jbia.ws.TestClient.main(TestClient.java:22) Waiting for your response Thanks With regards Venkat View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4268326#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...