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Failed to reconnect to NATS #1681

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arvindh123 opened this issue Dec 9, 2022 · 1 comment · Fixed by #1686
Closed

Failed to reconnect to NATS #1681

arvindh123 opened this issue Dec 9, 2022 · 1 comment · Fixed by #1686

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@arvindh123
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arvindh123 commented Dec 9, 2022 •
edited by dborovcanin
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BUG REPORT

  1. What were you trying to achieve?
    Publishing of message from MQTT to NATS

  2. What are the expected results?
    Publishing of message from MQTT to NATS

  3. What are the received results?
    Message not published ,got the error message Error publishing to Mainflux nats: connection closed

  4. What are the steps to reproduce the issue?
    Kill the NATS connection and wait for some time,
    Then try to publish via MQTT. The same goes for HTTP and other adapters. Nats auto-reconnect gets exhausted and the connection is permanently closed.

  5. In what environment did you encounter the issue?
    Docker 20.10.21, Docker Compose 2.14.1, Linux, Latest Mainflux version

  6. Additional information you deem important:
    Nats reconnect param can be configured to keep trying to re-establish connection indefinitely.
@arvindh123 arvindh123 changed the title MQTT Error publishing to Mainflux nats: connection closed MQTT failed to publish message to NATS , after NATS connection closed for long time Dec 14, 2022
@arvindh123
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The NATS Golang library, will try to reconnect for some times.
We should use callback to handle connection close or we should try reconnect on publish error

@arvindh123 arvindh123 changed the title MQTT failed to publish message to NATS , after NATS connection closed for long time MQTT failed to publish message to NATS , If NATS connection was lost and not restored for long time Dec 14, 2022
@dborovcanin dborovcanin changed the title MQTT failed to publish message to NATS , If NATS connection was lost and not restored for long time Failed to reconnect to NATS Dec 21, 2022
@dborovcanin dborovcanin mentioned this issue Dec 21, 2022
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MF-1681 - Failed to reconnect to NATS dborovcanin/magistrala
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@arvindh123