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https://issues.apache.org/jira/browse/DISPATCH-802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16114180#comment-16114180
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Robbie Gemmell commented on DISPATCH-802:
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That seems good. One key thing is that the attach response which gets sent
before the detach should have a null target to indicate refusal and the
immediately coming detach. I'd probably go for one of amqp:precondition-failed,
amqp:not-found, amqp:not-implemented, or amqp:illegal-state on the detach error.
> refuse transaction coordination links if they can't be routed to a coordinator
> ------------------------------------------------------------------------------
>
> Key: DISPATCH-802
> URL: https://issues.apache.org/jira/browse/DISPATCH-802
> Project: Qpid Dispatch
> Issue Type: Bug
> Affects Versions: 0.8.0
> Reporter: Robbie Gemmell
> Assignee: Ganesh Murthy
>
> The router is accepting transaction coordinator links even if the support
> from DISPATCH-195 is not being used to link-route them somewhere that can
> handle coordination. If the router can't link-route to a coordinator, and
> knows it can't coordinate transactions itself, it shouldn't accept the links
> to begin with but rather refuse them so clients know they will never work and
> why.
> Prior to 0.8.0, credit was also given on these links, allowing attempt to
> declare transactions. From 0.8.0 no credit is given since there is no
> receiver, so clients have no way to use the accepted link and no indication
> why.
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