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https://issues.apache.org/jira/browse/QPID-959?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aidan Skinner reassigned QPID-959:
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Assignee: Aidan Skinner
> Protocol renegotiation does not occur on failover
> -------------------------------------------------
>
> Key: QPID-959
> URL: https://issues.apache.org/jira/browse/QPID-959
> Project: Qpid
> Issue Type: Bug
> Components: Java Client
> Affects Versions: M3
> Reporter: Aidan Skinner
> Assignee: Aidan Skinner
> Fix For: M3
>
>
> The current failover mechanism does not fully take account of the fact that a
> session may change protocol versions when failover occurs. Consider:
> Broker A is a 0-10 broker
> Broker B is a 0-9 broker
> Client C is a 0-8, 0-9 and 0-10 capable client
> 1. C connects to A, with B configured as as it's second broker, with round
> robin failover. It negotiates to use 0-10 and begins messaging.
> 2. Broker A fails and C connects to Broker B. It should renegotiate the
> protocol and start talking AMQP 0-9. Messaging should continue as
> transparently as possible.
> 3. Broker B fails and C connects to Broker A. It should renegotiate the
> protocol and resume talking AMQP 0-10, messaging should continue.
> Currently step 2 will fail
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