<div dir="ltr">I completely neglected to mention, this message pertains to the Java amqp-client.</div><div class="gmail_extra"><br><br><div class="gmail_quote">On Mon, Sep 16, 2013 at 5:13 PM, Jonathan Halterman <span dir="ltr"><<a href="mailto:jhalterman@gmail.com" target="_blank">jhalterman@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">I've been experimenting with various sorts of RabbitMQ failures that result in connections and channels being shutdown with the goal of being able to re-establish connections, channels, and consumers whenever a failure occurs. In particular, I've been forcing network partitions on a pause_minority configured cluster with a client connected to what will become the minority node, to see how things behave, and the results are a bit inconsistent.<div>
<br></div><div>For a simple test, I created 2 connections and 6 channels then partitioned the cluster. Within a minute or so the minority node (to which my client is connected connected) shuts itself down. What happens next varies a bit which each test run:</div>
<div><br></div><div>Outcome 1: Immediately the shutdown listeners for my 2 connections and all 6 channels are called.</div><div><br></div><div>Outcome 2: Immediately 2 of my 6 channels' shutdown listeners are called. None of the connection shutdown listeners are called. After waiting a few minutes I heal the partition and the shutdown listeners for the 2 connections and the remaining 4 channels are immediately called.</div>
<div><br></div><div>Outcome 3: Immediate 2 of my 6 channels' shutdown listeners are called. None of the connection shutdown listeners are called. After about 30 seconds, with the cluster still partitioned, the shutdown listeners for the 2 connections and the remaining 4 channels are immediately called.<br>
<div><br></div></div><div>---</div><div><br></div><div>I'm interested to learn more about when and why certain shutdown listeners might or might not be invoked so I can do a better job of re-establishing resources after a failure. Any input is appreciated.</div>
<div><br></div><div>Cheers,</div><div>Jonathan</div></div>
</blockquote></div><br></div>