Comments (6)
Hi @rafsawicki. Thank you for the report, I've managed to reproduce the issue. Verifying this with the team.
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@rafsawicki sorry for the delay.
According to MQTT Specification, If the Client's Session terminates before the Client reconnects, the Server MUST NOT send the Application Message to any other subscribed Client [MQTT-4.8.2-5]. This is for QoS 2 messages. Otherwise message order will be broken.
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Have you considered setting Session Expiry Interval to a reasonable value or MAX (0xFFFFFFFF) which will never expire?
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This only applies to the inflight messages, for messages in mqueue, they should be redispatched.
According to MQTT Specification, If the Client's Session terminates before the Client reconnects, the Server MUST NOT send the Application Message to any other subscribed Client [MQTT-4.8.2-5]. This is for QoS 2 messages. Otherwise message order will be broken.
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I have tested with QoS 1 and QoS 2. Both worked as expected.
@rafsawicki I noticed that your subscriptions are both with QoS 1 (which is good).
Please make sure the message is published with QoS 1.
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This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.
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