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Posted to users@activemq.apache.org by guerra <jg...@gmail.com> on 2014/04/30 14:20:27 UTC
ActiveMQ 5.9.1 +MQTT
Hi,
I've just wondering whether MQTT running on ActiveMQ has support for the
failover protocol. AFAIK MQTT supports the HA feature but, does anyone know
whether this can work on ActiveMQ?
Thank you and cheers
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Re: ActiveMQ 5.9.1 +MQTT
Posted by guerra <jg...@gmail.com>.
Thank you for your replies
We'll start soon to do some tests with Java/C and one or two arduinos
attached to the broker to see how it goes.
Cheers
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Re: ActiveMQ 5.9.1 +MQTT
Posted by surfnerd <su...@outlook.com>.
Hey Rob,
Sure. I will create JIRA for the same.
Thanks
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Re: ActiveMQ 5.9.1 +MQTT
Posted by Robert Davies <ra...@gmail.com>.
Yikes - WS got missed want to raise a jira?
On 7 May 2014, at 03:43, surfnerd <su...@outlook.com> wrote:
> Hi,
> Actually link stealing doesn't work for MQTT + Webscokets.
> Simple testing:
> Connect with MQTT WS client library ( Eclipse Paho) and connect-disconnect
> multiple times.
> It will give error of client already connected.
>
> Thanks
>
>
>
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Rob Davies
————————
Red Hat, Inc
Twitter: rajdavies
Blog: http://rajdavies.blogspot.com
ActiveMQ in Action: http://www.manning.com/snyder/
Re: ActiveMQ 5.9.1 +MQTT
Posted by surfnerd <su...@outlook.com>.
Hi,
Actually link stealing doesn't work for MQTT + Webscokets.
Simple testing:
Connect with MQTT WS client library ( Eclipse Paho) and connect-disconnect
multiple times.
It will give error of client already connected.
Thanks
--
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Re: ActiveMQ 5.9.1 +MQTT
Posted by Gary Tully <ga...@gmail.com>.
for 1) is that covered by https://issues.apache.org/jira/browse/AMQ-4719
On 1 May 2014 07:15, surfnerd <su...@outlook.com> wrote:
> It is possible to implement IBM type of HA solution with ActiveMQ.
>
> 1. ActiveMQ MQTT has problem with same "clientid" reconnection. As per MQTT
> definition, same clientID should replace existing connection.
> When I tried MQTT client reconnection and failover, there were many
> challenges.
>
> 2. Problems of MQTT client getting disconnected over network of brokers. I
> couldn't find exact reason for it.
>
> Let me know if you find any specific problem. I might have faced before and
> can help.
>
>
>
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http://blog.garytully.com
Re: ActiveMQ 5.9.1 +MQTT
Posted by surfnerd <su...@outlook.com>.
It is possible to implement IBM type of HA solution with ActiveMQ.
1. ActiveMQ MQTT has problem with same "clientid" reconnection. As per MQTT
definition, same clientID should replace existing connection.
When I tried MQTT client reconnection and failover, there were many
challenges.
2. Problems of MQTT client getting disconnected over network of brokers. I
couldn't find exact reason for it.
Let me know if you find any specific problem. I might have faced before and
can help.
--
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Re: ActiveMQ 5.9.1 +MQTT
Posted by guerra <jg...@gmail.com>.
Okay, thanks for your reply.
Yes, you are right but I was looking at this link
https://pic.dhe.ibm.com/infocenter/ism/v1r0m0/index.jsp?topic=%2Fcom.ibm.ism.doc%2FDeveloping%2Fdevmqttapp.html
<https://pic.dhe.ibm.com/infocenter/ism/v1r0m0/index.jsp?topic=%2Fcom.ibm.ism.doc%2FDeveloping%2Fdevmqttapp.html>
and I am not fully sure whether ActiveMQ supports the settings this link
suggest in order to get a HA connection. I agree with you that it's a client
stuff the failover thing but, do you think it is enough before jumping in
into this?.
The bottom line is that we have already a HA infrastructure based on
ActiveMQ and we'd like to take advantage of it with new devices based on
MQTT. I hope the ActiveMQ folks will actively poke the integration/support
of this protocol into the broker.
Thank you
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Re: ActiveMQ 5.9.1 +MQTT
Posted by Timothy Bish <ta...@gmail.com>.
On 04/30/2014 08:20 AM, guerra wrote:
> Hi,
>
> I've just wondering whether MQTT running on ActiveMQ has support for the
> failover protocol. AFAIK MQTT supports the HA feature but, does anyone know
> whether this can work on ActiveMQ?
>
> Thank you and cheers
>
>
>
>
> --
> View this message in context: http://activemq.2283324.n4.nabble.com/ActiveMQ-5-9-1-MQTT-tp4680744.html
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>
It's up to your client to provide automatic reconnect, the broker
support keep alive checking from the client and the like but reconnect
is a client side feature.
--
Tim Bish
Sr Software Engineer | RedHat Inc.
tim.bish@redhat.com | www.fusesource.com | www.redhat.com
skype: tabish121 | twitter: @tabish121
blog: http://timbish.blogspot.com/