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https://issues.apache.org/jira/browse/AMQ-3994?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Claus Ibsen updated AMQ-3994:
-----------------------------

      Component/s:     (was: Broker)
                   Message Store
    Fix Version/s: 5.7.0
    
> DefaultDatabaseLocker will leak pooled connections on link failure
> ------------------------------------------------------------------
>
>                 Key: AMQ-3994
>                 URL: https://issues.apache.org/jira/browse/AMQ-3994
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Message Store
>    Affects Versions: 5.6.0
>            Reporter: Philip Bridger
>            Assignee: Claus Ibsen
>             Fix For: 5.7.0
>
>         Attachments: DefaultDatabaseLocker.java.patch
>
>
> When the broker has lost the connection to the database through external 
> issues -- link or database goes down, the process broker will stop().
> When it is shutting down, it calls on each component (service) to stop().
> The DefaultDatabaseLocker when stopping will test the connection to see if it 
> is open or not before calling close() on the connection. Given that the 
> connection was closed due to a link failure, the connection is never returned 
> to the pool, hence the leak.
> In this same file there is a comment in start() which warns about being 
> careful about connection leaks.

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