How Retained publications are deleted.

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    • Type: Improvement
    • Resolution: Fixed
    • Priority: Major
    • 3.1.1
    • Affects Version/s: 3.1.1
    • Component/s: core
    • None
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      A PUBLICATION packet with a retain flag set to 1 and a payload containing zero bytes will be processed as normal by the server and sent to clients with a subscription matching the topic name. Additionally any existing retained publication for the topic name will be removed and any future subscribers for the topic will not receive a retained publication. As normal means that the retained bit is not set in the message received by existing subscribers.

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      A PUBLICATION packet with a retain flag set to 1 and a payload containing zero bytes will be processed as normal by the server and sent to clients with a subscription matching the topic name. Additionally any existing retained publication for the topic name will be removed and any future subscribers for the topic will not receive a retained publication. As normal means that the retained bit is not set in the message received by existing subscribers.
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      Fixed in WD10 line 372

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      Fixed in WD10 line 372

      There specification suggests that a retained message published with a zero byte payload can be used to cause a retained message to be deleted by the server, although it
      leaves this behavior as optional. It is not clear whether the zero length message should be sent to subscribers.

            Assignee:
            Unassigned
            Reporter:
            Andrew Banks (Inactive)
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              Created:
              Updated:
              Resolved: