https://issues.apache.org/bugzilla/show_bug.cgi?id=54057
--- Comment #3 from Philippe Mouawad <p.moua...@ubik-ingenierie.com> --- Thank you, what kind of authentication is your proxy using ?. The difference between 3.1 and 4 is that 3.1 uses NTCredential while 4 uses UsernamePasswordCredentials -- You are receiving this mail because: You are the assignee for the bug.