I have tried everything I have seen on this subject but nothing has worked for me at all. The service I am trying to hit does not support the chunked transfer encoding. I have tried modifying the chunk size to 0 programatically by setting the request context "http://org.jboss.ws/http#chunksize" value. I have also tried dropping a cxf.xml file into the ejb classpath. I have seen references to modifying the default  jaxws client in the server/default/deployers/jbossws.deployer/META-INF/standard-jaxws-client-config.xml file but that does not exist on the JBoss as 6 server. Has someone succesfully modified the chunking behaviour for this JBoss version?