Yes, chunked encoding was added with 2.0 The default configuration for JAX-WS clients and endpoints phas this enabled: | <client-config> | <config-name>Standard Client</config-name> | <feature>http://org.jboss.ws/dispatch/validate</feature> | <property> | <property-name>http://org.jboss.ws/http#chunksize</property-name> | <property-value>2048</property-value> | </property> | </client-config> | View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4066483#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...