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https://issues.apache.org/jira/browse/QPID-2418?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Robbie Gemmell updated QPID-2418:
---------------------------------

    Attachment: QPID-2418-trunk_new3.patch

Adding a further updated version of the patch, QPID-2418-trunk_new3.patch

Streamlines some of the previous additions and fixes one of the test failures 
on the Java 0-10 profiles, which seemed to relate to the asynchronous batched 
acks performed by the 0-10 client in AUTO_ACK mode as it appeared that the 
messages hadnt been acked when the queue count was checked after consumption; 
switching to a transacted session alleviated the issue. 

There is 1 remaining failure on the Java 0-10 profiles still requiring 
investigation (DurableSubscriptionTest#testResubscribeWithChangedSelector, 
where it seems a message is received which should not be).

>  Existing durable subscription with selector is not unsubscribed during 
> change to new subscription
> --------------------------------------------------------------------------------------------------
>
>                 Key: QPID-2418
>                 URL: https://issues.apache.org/jira/browse/QPID-2418
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Client
>    Affects Versions: M4, 0.5, 0.6
>            Reporter: Robbie Gemmell
>            Assignee: Robbie Gemmell
>             Fix For: 0.7
>
>         Attachments: 0001-QPID-2418-branch.patch, 0001-QPID-2418-trunk.patch, 
> QPID-2418-trunk_new.patch, QPID-2418-trunk_new2.patch, 
> QPID-2418-trunk_new3.patch
>
>
> AMQSession.createDurableSubscriber(topic, name, messageSelector, noLocal) 
> does not unsubscribe existing durable subscriptions. Whilst it does check for 
> existing durable subscriptions in use by the client with the same name, it 
> instead simply closes the subscriptions then creates a new one. As a result 
> of not unsubscribing, the queue backing the subscription is not deleted 
> before being used by the updated subscription as it should be (and as happens 
> in the 0_8 and 0_10 subclasses when using durable subscriptions without 
> selectors).

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