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https://issues.apache.org/jira/browse/PROTON-915?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14590056#comment-14590056
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Andrew Stitcher commented on PROTON-915:
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A reproducer script would be nice.
> Incompatible protocol header handled incorrectly
> ------------------------------------------------
>
> Key: PROTON-915
> URL: https://issues.apache.org/jira/browse/PROTON-915
> Project: Qpid Proton
> Issue Type: Bug
> Components: proton-c
> Affects Versions: 0.9, 0.9.1
> Reporter: Gordon Sim
> Assignee: Andrew Stitcher
> Priority: Blocker
> Fix For: 0.10
>
>
> The correct response is to send back a supported header[1] before closing the
> socket. This worked for 0.8 but is broker from 0.9 onwards, I believe by this
> commit:
> https://git-wip-us.apache.org/repos/asf?p=qpid-proton.git;a=commit;h=1b2be03c748ef5a57cf181f8373b9b6e8f8cfd22
> It means anything relying on proton-c for protocol header handling is not
> compliant with the spec.
> [1] section 2.2 of spec: "If the requested protocol version is not
> supported, the server MUST send a protocol header with a supported protocol
> version and then close the socket."
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