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https://issues.apache.org/jira/browse/QPID-5650?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14188489#comment-14188489
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ASF subversion and git services commented on QPID-5650:
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Commit 1635183 from [email protected] in branch 'qpid/trunk'
[ https://svn.apache.org/r1635183 ]
QPID-5650: Move attribute names into upgrader constants
> [Java Broker] DurableConfigurationStoreUpgrader relies on the action of the
> AMQQueueFactory to reunite queue with its dead letter exchange
> ------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: QPID-5650
> URL: https://issues.apache.org/jira/browse/QPID-5650
> Project: Qpid
> Issue Type: Improvement
> Affects Versions: 0.30
> Reporter: Keith Wall
> Assignee: Keith Wall
> Fix For: 0.31
>
> Attachments:
> set-alt-exchange-only-when-attribute-is-set-on-queue.diff, test-store.tar.gz
>
>
> Currently, when upgrading a configuration store v4 store, if the store
> contains a queue that has a DLQ and associated DLE (*), it is the action of
> the AMQQueueFactory that is used to reunite the queue with its alternate
> exchange. This is rather a poor division of responsibilities and makes that
> the code in the factory to be rather more complicated than it ought.
> The DurableConfigurationStoreUpgraders should be changed so that if they
> encounter an appropriately named exchange (i.e. one with standard _DLE
> suffix), they take the responsibility of producing ConfiguredObjectRecord for
> the queue with the alternateExchange attribute properly populated.
> (*) The test BDBStoreUpgrade#xtestRecoveryOfQueueWithDLQ uses such a store
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