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Re: [paho-dev] Test Paho against an MQTT 5 broker
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Hi Dominik,
ah, thanks for the clarification, Dominik. Of course, we are all
working together to provide users the MQTT community with as many
options for their solutions that work together well. We appreciate your
enthusiasm for MQTT and your contributions!
I think that MQTT 5.0 does provide a solution to many of the niggles
that users experienced with previous versions, hopefully at an
appropriate cost in extra complexity. So I am totally with you on
people trying it out.
And of course, not all MQTT brokers are alike. They can all implement
MQTT 5.0 correctly while each having their distinctive features and
abilities.
Ian
On 19/07/2018 09:42, Dominik Obermaier wrote:
Hi Ian,
I completely understand that the Paho team has limited resources and
can’t test their implementation against all possible brokers. I was
more thinking about giving the Paho users an opportunity to test MQTT
5 with the Paho MQTT 5 branches and HiveMQ in order to see how “MQTT 5
feels” as I noticed very high interest in MQTT 5.
We are of course also going to test and use Java Paho for our own
tests as we think interoperability is extremely important. As we did
in the past, we will of course create Issues and/or provide fixes if
we notice any problems with the implementation.
All the best,
Dominik
On 19 Jul 2018, at 0:30, Ian Craggs wrote:
Hi Dominik,
thanks for the offer, and great to see the support of MQTT V5 in HiveMQ!
I'd like to respond to that offer by making another in return.
Given that Paho is an open source project, and all the material is
freely available, including the tests, it could be a valuable
contribution to the project to run those tests against different
brokers and report any issues (or report success!). Another
contribution could be to add more tests.
Like many open source projects, some Paho committers work on the
project in their spare time. Even for people like me, for whom it is
part of my job, it's not my only job. I wrote the Paho MQTT V5
server last year so that our client libraries could be tested against
it because none existed at the time. Finding time to complete all
the potential work (including support) can be hard.
So while running our tests against other brokers is a good idea, it's
not going to scale well if the Paho team has to run all those
tests. If anyone relies on the Paho clients in any way, running the
tests could be a way of 'paying' us back :-)
Ian
On 16/07/2018 17:56, Dominik Obermaier wrote:
All,
It’s fantastic to see that Eclipse Paho with all its libraries is
moving fast towards MQTT 5.
In case you want to test Eclipse Paho against a MQTT 5 compatible
MQTT broker, HiveMQ has released a completely free Early Access
Preview with MQTT 5 support without any limitations:
https://www.hivemq.com/hivemq4-eap
All the best,
Dominik
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Ian Craggs
icraggs@xxxxxxxxxx IBM United Kingdom
Eclipse Paho Project Lead & Mosquitto Committer
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Ian Craggs
icraggs@xxxxxxxxxx IBM United Kingdom
Eclipse Paho Project Lead & Mosquitto Committer