[OASIS Issue Tracker] (MQTT-470) Will Retain and Retain Available

[OASIS Issues Tracker <workgroup_mailer@lists.oasis-open.org>]

    [ https://issues.oasis-open.org/browse/MQTT-470?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=66692#comment-66692 ] 

Andrew Banks commented on MQTT-470:
-----------------------------------

3.2.2.3.4 says 
If a Server receives a CONNECT packet containing a Will Message with the Will Retain set to 1, and it does not support retained publications, the Server MUST reject the connection request. It SHOULD send CONNACK with Reasonturn Code 0x9A (Retain not supported) and then it MUST close the Network Connection [MQTT-3.2.2-13]. 

Hence a server  will have already disconnected the client

> Will Retain and Retain Available
> --------------------------------
>
>                 Key: MQTT-470
>                 URL: https://issues.oasis-open.org/browse/MQTT-470
>             Project: OASIS Message Queuing Telemetry Transport (MQTT) TC
>          Issue Type: Bug
>          Components: edits
>    Affects Versions: 5, wd14
>            Reporter: Konstantin Dotchkoff
>             Fix For: 5, wd14
>
>
> This issue was originally reported in MQTT-417, which doesn't seem to be applied in WD14. 
> Lines 1020-1021
> "If the Will Flag is set to 1 and Will Retain is set to 1, the Server MUST publish the Will Message as a retained message"
> This is true only if the Server supports retain. This statement must be changed to say the Server MUST do this only if it returns Retain available on the CONNACK.
> In addition, in Line 1016, why "Retained" rather than "retained"?
> "This bit specifies if the Will Message is to be *Retained* when it is published."



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