[OpenSIPS-Users] Failure to create multiple MSRP sessions

[Mihai Richard]

Hello,

We are using the OpenSIPS server with MSRPRelay and we see this strange
behaviour. Usually, we can successfully create and destroy MSRP streams
but at some point we try to create multiple MSRP sessions almost
smiultaneously and some of them fail with a ³Internal server error²
response.
 In the server logs we have these messages:
Jan 31 08:21:27  /sbin/opensips[2157]: ERROR:core:tcpconn_connect:
tcp_blocking_connect failed
Jan 31 08:21:27  /sbin/opensips[2157]: ERROR:core:tcp_send: connect failed
Jan 31 08:21:27  /sbin/opensips[2157]: ERROR:tm:msg_send: tcp_send failed
Jan 31 08:21:27  /sbin/opensips[2157]: ERROR:tm:t_forward_nonack: sending
request failed
Jan 31 08:21:27  /sbin/opensips[2163]: ERROR:core:tcp_blocking_connect: poll
error: flags 1c
Jan 31 08:21:27  /sbin/opensips[2163]: ERROR:core:tcp_blocking_connect:
failed to retrieve SO_ERROR (111) Connection refused
Jan 31 08:21:27  /sbin/opensips[2163]: ERROR:core:tcpconn_connect:
tcp_blocking_connect failed
Jan 31 08:21:27  /sbin/opensips[2163]: ERROR:core:tcp_send: connect failed
Jan 31 08:21:27  /sbin/opensips[2163]: ERROR:tm:msg_send: tcp_send failed
Jan 31 08:21:27  /sbin/opensips[2163]: ERROR:tm:t_forward_nonack: sending
request failed
Jan 31 08:21:27  /sbin/opensips[2161]: ERROR:core:tcp_blocking_connect: poll
error: flags 1c
Jan 31 08:21:27  /sbin/opensips[2161]: ERROR:core:tcp_blocking_connect:
failed to retrieve SO_ERROR (111) Connection refused
Jan 31 08:21:27  /sbin/opensips[2161]: ERROR:core:tcpconn_connect:
tcp_blocking_connect failed
Jan 31 08:21:27  /sbin/opensips[2161]: ERROR:core:tcp_send: connect failed
Jan 31 08:21:27  /sbin/opensips[2161]: ERROR:tm:msg_send: tcp_send failed
Jan 30 12:00:44  /sbin/opensips[2157]: ERROR:tm:t_forward_nonack: sending
request failed
Jan 30 12:00:49  /sbin/opensips[2159]: ERROR:core:_tls_read: SYSCALL error
-> (0) <Success>
Jan 30 12:00:49  /sbin/opensips[2159]: ERROR:core:_tls_read: something wrong
in SSL: 5
Jan 30 12:00:49  /sbin/opensips[2159]: ERROR:core:tcp_read_req: failed to
read

On the server side we have OpenSIPS server working over TLS, also we have
MSRPRelay working on TLS. On the client side we are using sipsimple.


Thank you,
--
Mihai Richard
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