<div dir="ltr"><blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-color: rgb(204, 204, 204); border-left-style: solid; padding-left: 1ex;">Oleg,<br>
You seem to be using Google Groups, which is a mirror that often falls behind<br>the list.<br>
There were replies to your original post:<br><a class="exlink mklink" href="http://markmail.org/thread/rzwbcwtxvrfvc32u#query:+page:1+mid:v4juqnkumlx4rjys+state:results" rel="nofollow" style="text-decoration: underline; color: rgb(0, 0, 153); cursor: pointer;">http://markmail.org/thread/rzwbcwtxvrfvc32u#query:+page:1+mid:v4juqnkumlx4rjys+state:results<br></a>
MK<br> <br><span style="line-height: 18px; color: rgb(0, 0, 0); font-family: Arial, Helvetica, 'Luxi Sans', sans-serif; white-space: pre;">Software Engineer, Pivotal/RabbitMQ</span></blockquote><div><br></div>Oh, really. Sorry.<div><br></div><div><blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-color: rgb(204, 204, 204); border-left-style: solid; padding-left: 1ex;"><div dir="ltr"><blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-color: rgb(204, 204, 204); border-left-style: solid; padding-left: 1ex;"><div dir="ltr"><div></div></div></blockquote></div></blockquote></div><div>As I'm already wrote - I'm spoof your about badarg error - it is just effect after something happen with rabbitmq.</div><div><br></div><blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-color: rgb(204, 204, 204); border-left-style: solid; padding-left: 1ex;"><span style="line-height: 18px; color: rgb(0, 0, 0); font-family: Arial, Helvetica, 'Luxi Sans', sans-serif; white-space: pre;">What client(s) are you using?</span><font color="#000000" face="Arial, Helvetica, Luxi Sans, sans-serif"><span style="font-size: 14px; white-space: pre;"><br></span></font><span style="line-height: 18px; color: rgb(0, 0, 0); font-family: Arial, Helvetica, 'Luxi Sans', sans-serif; white-space: pre;">The only code path I can see to this error entails pipelining of <br></span><span style="line-height: 18px; color: rgb(0, 0, 0); font-family: Arial, Helvetica, 'Luxi Sans', sans-serif; white-space: pre;">synchronous commands on a channel, which the AMQP spec forbids.</span><font color="#000000" face="Arial, Helvetica, Luxi Sans, sans-serif"><span style="font-size: 14px; white-space: pre;"><br></span></font><span style="line-height: 18px; color: rgb(0, 0, 0); font-family: Arial, Helvetica, 'Luxi Sans', sans-serif; white-space: pre;">Specifically, the error could occur when sending a basic.consume <br></span><span style="line-height: 18px; color: rgb(0, 0, 0); font-family: Arial, Helvetica, 'Luxi Sans', sans-serif; white-space: pre;">followed by a basic.cancel without waiting for the basic.consume_ok first.</span><font color="#000000" face="Arial, Helvetica, Luxi Sans, sans-serif"><span style="font-size: 14px; white-space: pre;"><br></span></font><span style="line-height: 18px; color: rgb(0, 0, 0); font-family: Arial, Helvetica, 'Luxi Sans', sans-serif; white-space: pre;">Which is pretty much impossible in most clients unless there are <br></span><span style="line-height: 18px; color: rgb(0, 0, 0); font-family: Arial, Helvetica, 'Luxi Sans', sans-serif; white-space: pre;">multiple application threads operating on the same channel, which is <br></span><span style="line-height: 18px; color: rgb(0, 0, 0); font-family: Arial, Helvetica, 'Luxi Sans', sans-serif; white-space: pre;">usually a bad idea.</span><font color="#000000" face="Arial, Helvetica, Luxi Sans, sans-serif"><span style="font-size: 14px; white-space: pre;"><br></span></font>Matthias.</blockquote><div><br></div><div>Your right about async execution synchronous commands. I will exporer this deeper, but do you think that this wrong sequence may disturb of work RabbitMQ server at all?</div><div><br></div><div>Clients that we are using is librabbitmq-c for C++ and pika for python. Messages translate between them.</div><div><br></div><div>Oleg.</div><div><br></div></div>