Re: [mosquitto-dev] mosquitto.conf - subscribed topics using MQTT protoc

[Ben Hardill <hardillb@xxxxxxxxx>]

Hi,

How have you configured mosquitto? Have you enabled persistence?

If not how is the broker supposed to retain the clients session when you 
resart?

On 20/04/2021 17:37, Bindu Rao wrote:
> Hi,
>
> I am using mosquitto broker with paho_mqtt client. I notice a problem in
> the following scenario:
> Usecase:
> - MQTT Protocol set to 5
> - Clean start = false and session expiry interval set to 30 secs
>
> I configure the client for publication and subscription on a topic.
> Terminate and restart mosquitto.
>
> Expected behaviour:
> - Should be able to receive messages on a subscribed topics after
> reconnection.
> Actual behaviour:
> - Session not remembered, hence need to be resubscribed even when clean
> the start is set to false by the client.
> I am using mosquitto - 2.0.10. The behaviour is perfectly ok when used
> with protocol 3.1.1.
> What configuration variables should be set in mosquitto.conf to get this
> working? Could you please provide inputs?
> Please note, that this works fine when I use other mqtt brokers.
>
> Thanks,
> Bindu
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