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https://issues.apache.org/jira/browse/PROTON-833?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robbie Gemmell updated PROTON-833:
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    Summary: transport can emit frames with an invalid channel number after 
local session close  (was: transport can emit detach frames with an invalid 
channel number after session end)

> transport can emit frames with an invalid channel number after local session 
> close
> ----------------------------------------------------------------------------------
>
>                 Key: PROTON-833
>                 URL: https://issues.apache.org/jira/browse/PROTON-833
>             Project: Qpid Proton
>          Issue Type: Bug
>          Components: proton-j
>    Affects Versions: 0.8
>            Reporter: Robbie Gemmell
>
> The transport can emit detach frames with an invalid channel number if a 
> local link close(+detach?) call is performed (in response to a remote detach) 
> after a local session close is performed.
> When a session is locally closed by a client with open links on it, if the 
> 'broker' sends detach frames for any of those links then the application 
> might then do a local close on them in response. The client transport then 
> emits detach 'response' frames as a result of this, after the session end 
> frame has been sent. A side effect of calling close on the session is that 
> the channel number is unmapped when the end frame is sent, and the relevant 
> variable set to the value -1. When the transport sends the detaches outlined 
> above it then uses the -1 value, which is treated as channel 65535 when sent 
> as the unsigned channel number.



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