<div dir="ltr">Thanks for the help in understanding the issue better.<div><br><div>I won't be testing again for a few days so I will let you know how the 5 - 10 sec heartbeat works out. </div></div></div><div class="gmail_extra">
<br><br><div class="gmail_quote">On Fri, Jul 25, 2014 at 9:24 PM, Michael Klishin-2 [via RabbitMQ] <span dir="ltr"><<a href="/user/SendEmail.jtp?type=node&node=36897&i=0" target="_top" rel="nofollow" link="external">[hidden email]</a>></span> wrote:<br>
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+rabbitmq-discuss
<br><div class=""><br>On 26 July 2014 at 00:18:32, Bryan Cliffe (<a href="http://user/SendEmail.jtp?type=node&node=36895&i=0" rel="nofollow" link="external" target="_blank">[hidden email]</a>) wrote:
<br>> > I'm disconnecting from wifi and reconnecting through cellular
<br>> to test the robustness of the connection when the I.P changes.
<br>> I wanted to see how the paho java client would handle message delivery
<br>> on QoS 1 to Android. I'm then filling the queue during the handover
<br>> phase and I can't consume on reconnect. I'm using two different
<br>> values for the heartbeat which is 240000ms and 30000ms but I'm
<br>> having the same problem with both. It would be interesting if
<br>> it's not detecting the change over from wifi to cellular.
<br><br>I'm not familiar with how exactly switching from WiFi to cellular data affects
<br>TCP connections on Android but in general, this is exactly the kind of issue
<br>heartbeats in MQTT are for.
<br><br>Try using a value of 5-10 seconds. I'm all for improving RabbitMQ MQTT plugin
<br>for this case but if Rabbit doesn't get a notification from the OS that the peer
<br>disconnected, a low heartbeat interval is the only possible solution.
<br></div><div class="">--
<br>MK
<br><br>Staff Software Engineer, Pivotal/RabbitMQ
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