[OASIS Issue Tracker] Updated: (MQTT-106) Behaviour when Will Flag = 0

[ http://tools.oasis-open.org/issues/browse/MQTT-106?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Banks updated MQTT-106:
------------------------------

    Proposal: 
In WD16 change section 3.1.2.5 to start ....

If the Will Flag is set to 1.

>>add to section 3.1.2.5<<
The will message MUST be removed from the stored Session state in the Server once it has been published or the Server has received a DISCONNECT packet from the Client. 
If the Will Flag is set to 0, no will message is published.

  was:
In WD16 change section 3.1.2.5 to start ....

If the Will Flag is set to 1.

>>add to section 3.1.2.5<<
The will message is not stored by the Server once it has been published or the server has received a DISCONNECT packet from the Client. 
If the Will Flag is set to 0, no will message is published.


> Behaviour when Will Flag = 0
> ----------------------------
>
>                 Key: MQTT-106
>                 URL: http://tools.oasis-open.org/issues/browse/MQTT-106
>             Project: OASIS Message Queuing Telemetry Transport (MQTT) TC
>          Issue Type: Improvement
>          Components: core
>    Affects Versions: 3.1.1
>            Reporter: Peter Niblett
>            Priority: Minor
>             Fix For: 3.1.1
>
>
> In 3.1.2.3.2. there's a normative statement "
> The Will Flag indicates that a Will Message MUST be published by the server when the server detects that the client is disconnected for any reason other than the client flowing a DISCONNECT Packet [MQTT-3.1.2-7]"
> 1. Editorial comment - This should say "If the Will Flag is set to 1, a Will Message MUST be published by the server when the server detects that the client is disconnected for any reason other than the client flowing a DISCONNECT Packet [MQTT-3.1.2-7]"
> 2. Core comment. For the avoidance of doubt, we should say what happens if the Will Flag is 0
> I assume that the default is that no will message gets published, but if a server wants to use a $SYS topic to log unexpected disconnects, then it is free to do that, We should consider making it clear that a server does not "remember" the last Will Mesage / Topic that the client used. 

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