Thank you for the responses - turns out that even though I was using the latest version of AsyncHttpClient that I found in maven; there was another slightly different one that was more current - and seems to work.
Old: https://mvnrepository.com/artifact/com.ning/async-http-client Newer: https://mvnrepository.com/artifact/org.asynchttpclient/async-http-client On Sun, Nov 12, 2017 at 4:05 PM, Bernd Eckenfels <e...@zusammenkunft.net> wrote: > The newer the Jetty Server is the more unlikely it Supports the old and > unsafe SSL2 handshake. You should not enable the SSL2Hello pseudo protocol > on Client side. JDK certainly does not by Default. > > > > Gruss > > Bernd > > -- > http://bernd.eckenfels.net > > > > *Von: *Sean Dawson <seandawson2...@gmail.com> > *Gesendet: *Sonntag, 12. November 2017 20:24 > *An: *security-dev@openjdk.java.net > *Betreff: *Re: java.net.ConnectException: Received fatal > alert:unexpected_message > > > > > > Thanks for the reply. This is one of the latest versions of Jetty so I > would hope that it would support that. But I've also tried specifying > various other http.protocols on both sides but it hasn't seemed to change > the result. Any other flags or things I should try? > > > > On Fri, Nov 10, 2017 at 11:48 PM, Jaikiran Pai <jai.forums2...@gmail.com> > wrote: > > > Java 1.8.0_131 > > Both servers on same machine, using same Java > > Source server is using async-http-client 1.9.18 > > Destination server is using Jetty 9.4.7.v20170914 > > .... > > > New I/O worker #10, WRITE: TLSv1.2 Handshake, length = 161 > > [write] MD5 and SHA1 hashes: len = 140 > > 0000: 01 03 03 00 63 00 00 00 20 00 C0 23 00 C0 27 00 ....c... ..#..'. > > ... > > 0080: 07 06 BB A0 AB 39 66 80 95 55 14 65 .....9f..U.e > > New I/O worker #10, WRITE: SSLv2 client hello message, length = 140 > > It looks like the async-http-client is sending a SSLv2 client hello > message during the handshake and I'm guessing Jetty doesn't support (or > maybe has disabled) SSLv2Hello handshake messages. What SSL protocols have > you enabled on both these sides? If you haven't explicitly enabled any, > then what do they default to in these libraries/servers? > > -Jaikiran > > > > >
