[jira] Resolved: (QPID-663) Messages fail to be received after failover

["Martin Ritchie (JIRA)" <qp...@incubator.apache.org>]

     [ https://issues.apache.org/jira/browse/QPID-663?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Martin Ritchie resolved QPID-663.
---------------------------------

    Resolution: Fixed

FailoverHandler now resets the StateManager's ProtocolSession Reference.

> Messages fail to be received after failover
> -------------------------------------------
>
>                 Key: QPID-663
>                 URL: https://issues.apache.org/jira/browse/QPID-663
>             Project: Qpid
>          Issue Type: Bug
>    Affects Versions: M2, M2.1
>            Reporter: Martin Ritchie
>            Assignee: Martin Ritchie
>             Fix For: M2.1
>
>
> When the connection is dropped and the FailoverHandler reconnects the session. The old AMQStateManager and the ProtocolHandler end up with different ProtocolSession references. This is because a new StateManger is used for the reconnection and when complete the old one is reused. However the protocolSession reference is not updated. This means that when the BasicDelivery frame arrives the statemanager stores that on the map of the old prococolSession, so when the ContentHeader or ContentBody arrive and perform a lookup for the corresponding BasicDelivery vial the ProtocolHandler .. they cannot find it as the ProtcolHandler has the new protocol Session.  The result is the message is quietly dropped.
> This occurs for all further messages received at the Handler level. The client simply sees no messages being deilvered.

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