Public bug reported:

Usecase :

- Connect to the server
- Subscribe to a topic X
- Unsubscribe from topic X
- Subscribe again to topic X
(Keeping the same connection all along)

Unexpected result :

All messages sent to topic X are received twice. If I
unsubscribe/subscribe again, then I receive all messages 3 times, then 4
times, 5 times, etc...

I know that all ACK messages are received well.

** Affects: mosquitto
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1098537

Title:
  Subscribe > Unsubscribe > Subscribe with the same connection causes
  all messages to be received twice.

Status in mosquitto: an mqtt message broker:
  New

Bug description:
  Usecase :

  - Connect to the server
  - Subscribe to a topic X
  - Unsubscribe from topic X
  - Subscribe again to topic X
  (Keeping the same connection all along)

  Unexpected result :

  All messages sent to topic X are received twice. If I
  unsubscribe/subscribe again, then I receive all messages 3 times, then
  4 times, 5 times, etc...

  I know that all ACK messages are received well.

To manage notifications about this bug go to:
https://bugs.launchpad.net/mosquitto/+bug/1098537/+subscriptions

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