<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>You are right: I have reproduced some of this. Here is what I found in my small test:</div><div><br></div><div><ol class="MailOutline"><li>Cancelling an unknown consumer doesn't appear to close the channel (!) (<font face="American Typewriter">channel.isOpen()</font> is true). It throws an <font face="American Typewriter">IOException("Unknown consumerTag")</font>.</li><li>Explicitly closing the channel and <i>then</i> trying the same <font face="American Typewriter">channel.basicCancel()</font> call<i> doesn't appear</i> to close the connection, either! Same <font face="American Typewriter">IOException</font>.</li><li>Issuing a 'real work' call after closing the channel, like <font face="American Typewriter">channel.basicConsume()</font>, throws an <font face="American Typewriter">AlreadyClosedException</font>, claiming that the connection is closed, but <font face="American Typewriter">conn.isOpen()</font> still returns true.</li></ol></div><div><br></div>There might be a number of bugs here. But I think there is only one: the connection ought to be closed when trying to use a Channel that doesn't exist. The other 'anomalies' could be working as designed: if no protocol violations are involved in the action, the Channel can remain intact.<div><br></div><div><div><div>
<div style="color: rgb(0, 0, 0); font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div style="color: rgb(0, 0, 0); font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div style="color: rgb(0, 0, 0); font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div style="color: rgb(0, 0, 0); font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div style="color: rgb(0, 0, 0); font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-spacing: 0px; border-collapse: separate; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="font-family: Georgia; font-size: 12px; font-weight: normal; font-style: normal; ">Steve Powell </span><font class="Apple-style-span" face="Georgia" size="3" style="font-family: Georgia; font-size: medium; font-weight: normal; font-style: normal; "><span class="Apple-style-span" style="font-size: 11px; ">[</span></font><i style="font-family: Georgia; font-size: medium; font-weight: normal; font-style: normal; "><font class="Apple-style-span" face="Georgia" size="3"><span class="Apple-style-span" style="font-size: 11px; ">Cell</span></font></i><font class="Apple-style-span" face="Georgia" size="3" style="font-family: Georgia; font-size: medium; font-weight: normal; font-style: normal; "><span class="Apple-style-span" style="font-size: 11px; ">: +44-7815-838-558</span></font><font class="Apple-style-span" face="Georgia" style="font-family: Georgia; font-weight: normal; font-style: normal; "><span class="Apple-style-span" style="font-size: 11px; ">]<span class="Apple-converted-space"> </span></span><span style="font-size: 10px; ">[</span></font><span style="font-size: 10px; "><a href="http://www.rabbitmq.com/">RabbitMQ</a>,<font face="Helvetica"><i> </i></font><a href="http://gopivotal.com/">Pivotal</a>]</span></div><div style="font-family: Georgia; font-size: medium; font-weight: normal; font-style: normal; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><i style="font-size: 12px; line-height: 19.1875px; ">“L’enfer, c’est les autres.” </i><span style="background-color: rgb(255, 255, 255); font-size: 12px; line-height: 19.1875px; ">Sartre</span></div></span></div></span></div></span></div></div></div></div></div>
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<br><div><div>On 21 Oct 2013, at 21:37, Jonathan Halterman <<a href="mailto:jhalterman@gmail.com">jhalterman@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div dir="ltr">What Steve mentioned above is that subsequent attempts to use the closed channel are hard errors that close the connection. This is what I haven't seen.</div><div class="gmail_extra"><br><br><div class="gmail_quote">
On Mon, Oct 21, 2013 at 1:26 PM, Michael Klishin <span dir="ltr"><<a href="mailto:mklishin@gopivotal.com" target="_blank">mklishin@gopivotal.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="im">On 22 Oct 2013, at 00:17, Jonathan Halterman <<a href="mailto:jhalterman@gmail.com">jhalterman@gmail.com</a>> wrote:<br>
<br>
> After declaring a consumer on a non-existent queue several times, the connection is still in tact even though the AlreadyClosedException indicates a connection closure<br>
<br>
</div>Consuming from a non-existent queue should result in a channel exception<br>
which closes the channel, not the connection.<br>
<div class="HOEnZb"><div class="h5"><br>
MK<br>
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