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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Gavin,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The cancel callback is being called when I use async methods, so it appears this is just an issue with BlockingConnection. Thanks!<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Peter<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> rabbitmq-discuss-bounces@lists.rabbitmq.com [mailto:rabbitmq-discuss-bounces@lists.rabbitmq.com] <b>On Behalf Of </b>Gavin M. Roy<br><b>Sent:</b> Wednesday, October 31, 2012 11:13 AM<br><b>To:</b> Discussions about RabbitMQ<br><b>Subject:</b> Re: [rabbitmq-discuss] consumer cancel notify support in pika<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>On Wed, Oct 31, 2012 at 11:52 AM, Peter Friend <<a href="mailto:pfriend@gehrytech.com" target="_blank">pfriend@gehrytech.com</a>> wrote:<o:p></o:p></p><div><div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><p class=MsoNormal>1) Which version are you using?<o:p></o:p></p></div></div></blockquote></div><p class=MsoNormal>0.9.5. <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>0.9.5 didn't pay as close attention to the protocol as 0.9.6 does. I'd recommend 0.9.6 at this point, especially for RPC calls from RabbitMQ.<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><p class=MsoNormal>The 0.9.6 version has method signature changes that make it incompatible with most of the docs out there and I had trouble getting it to work.<o:p></o:p></p></div></blockquote><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Hmm which methods changed that you're having problems with? Also docs should be up to date at <a href="https://pika.readthedocs.org/en/0.9.6/index.html" target="_blank">https://pika.readthedocs.org/</a> -- let me know if you're having any problems with them.<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><p class=MsoNormal>3) Did you register for a callback? Channel.add_on_cancel_callback(your_callback_method)<o:p></o:p></p></div></div></blockquote></div><p class=MsoNormal>I have tried when using BlockingConnection but not the asynchronous one yet. My understanding from the docs was that an exception would be thrown in consume(). Is that not correct?<o:p></o:p></p></div></div></blockquote><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>The problem with BlockingConnection in 0.9.5 is it doesn't pay attention to what RabbitMQ is telling it to do, unless you explicitly tell it to do so. It's likely a bug related to that causing your issue.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Here is an async consumer example that uses 0.9.6 and handles Basic.Cancel being invoked by RabbitMQ: <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><a href="https://pika.readthedocs.org/en/latest/examples/asynchronous_consumer_example.html">https://pika.readthedocs.org/en/latest/examples/asynchronous_consumer_example.html</a><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>In the blocking connection, you should see a pika.exceptions.ConsumerCancelled exception raised.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Hope this helps,<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Gavin<o:p></o:p></p></div></div></div></div></body></html>