Hi, I just sent a PR[1] to upgrade apache httpclient to 4.3.2 to enable http async client transport feature [2] in the coming cxf 3.0.2 update in WFLY. If httpclient upgrade will break something I don't know in jaxrs tck, resteasy or other component, please let me know. [1] https://github.com/wildfly/wildfly/pull/6642 [2] http://cxf.apache.org/docs/asynchronous-client-http-transport.html Thanks, Jim