[rabbitmq-discuss] mazy behavior of rabbitmq-c in same ip case

Rohit Patle Rohit.Patle at techmahindra.com
Thu Jun 19 13:29:50 BST 2014

Hi Michael,

Is there any clue on below issue.


From: Rohit Patle
Sent: Wednesday, June 18, 2014 11:58 AM
To: Michael Klishin
Cc: rabbitmq-discuss at lists.rabbitmq.com
Subject: RE: [rabbitmq-discuss] mazy behavior of rabbitmq-c in same ip case

Hi Michael,

The outcome of openssl tool is different in different scenarios, when I assign the the client dynamic ip the outcome of : "openssl s_client -host ms501.xxxxx.com -port 5671 -quiet -state"  is as follows

SSL_connect:before/connect initialization
SSL_connect:unknown state
SSL_connect:SSLv3 read server hello A
depth=1 CN = xxxxxxxx
verify error:num=19:self signed certificate in certificate chain
verify return:0
SSL_connect:SSLv3 read server certificate A
SSL_connect:SSLv3 read server certificate request A
SSL_connect:SSLv3 read server done A
SSL_connect:SSLv3 write client certificate A
SSL_connect:SSLv3 write client key exchange A
SSL_connect:SSLv3 write change cipher spec A
SSL_connect:SSLv3 write finished A
SSL_connect:SSLv3 flush data
SSL3 alert read:fatal:handshake failure
SSL_connect:failed in SSLv3 read finished A
3074099400:error:14094410:SSL routines:SSL3_READ_BYTES:sslv3 alert handshake failure:s3_pkt.c:1260:SSL alert number 40
3074099400:error:140790E5:SSL routines:SSL23_WRITE:ssl handshake failure:s23_lib.c:177:

And when I assigned static ip the outcome of openssl tool  for the command :"openssl s_client -host ms501.xxxxx.com -port 5671 -quiet -state" is as:

gethostbyname failure
connect : errno=11

In both cases communication happens as expected. But the issue comes when I use the single static ip for two consumers.

Please advise.

Thanks & Regards,

From: Michael Klishin [mklishin at gopivotal.com]
Sent: Tuesday, June 17, 2014 3:20 PM
To: Rohit Patle
Cc: rabbitmq-discuss at lists.rabbitmq.com
Subject: RE: [rabbitmq-discuss] mazy behavior of rabbitmq-c in same ip case

 On 17 June 2014 at 13:47:26, Rohit Patle (rohit.patle at techmahindra.com) wrote:
> > I believe it is not SSL handshake issue, because the connection
> is getting establish successfully, for both the connection
> I am getting comments in Rabbitmq log as "accepting AMQP connection"
> for the same ip's, but after some time like in a minute I am getting
> "AMQP_STATUS_SSL_ERROR" in my clients.

AMQP_STATUS_SSL_ERROR is very generic and without getting
more info from OpenSSL it's not really possible to tell what the problem is:


Try openssl s_client, it usually produces better error messages
and displays more info than almost any other tool out there.

Software Engineer, Pivotal/RabbitMQ


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