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From "Gary Tully (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (AMQ-2985) Missing messages in durable subscription with selector and KahaDB
Date Tue, 23 Nov 2010 19:23:25 GMT

     [ https://issues.apache.org/activemq/browse/AMQ-2985?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gary Tully resolved AMQ-2985.
-----------------------------

    Resolution: Fixed

r1038276 - ackLocations are created on message send, such that subs can ack at their will,
due to unmatched or out of order due to priority. subscription acks hold priority along with
the last ack, such that the order cursors can be correctly chosen after a restart or reset.
This ensures that duplicates are not dispatched as the current position is now ack aware rather
than shared across priority.
This brings kahaDb more in line with JDBC w.r.t priority and durable subs. Tests now work
with both stores.

> Missing messages in durable subscription with selector and KahaDB
> -----------------------------------------------------------------
>
>                 Key: AMQ-2985
>                 URL: https://issues.apache.org/activemq/browse/AMQ-2985
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.4.1
>            Reporter: Gary Tully
>            Assignee: Gary Tully
>             Fix For: 5.5.0
>
>
> With a selector and reconnecting durable sub, some messages appear missing as if they
were acked in error.

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