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https://issues.apache.org/jira/browse/GERONIMO-4786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12739828#action_12739828
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David Jencks commented on GERONIMO-4786:
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Rev 801468 appears to fix the connection leak but it may introduce other 
problems.  Also needs porting to txmanager trunk.

> Mulitple connections outside UserTransaction result in ManageConnection leak
> ----------------------------------------------------------------------------
>
>                 Key: GERONIMO-4786
>                 URL: https://issues.apache.org/jira/browse/GERONIMO-4786
>             Project: Geronimo
>          Issue Type: Bug
>      Security Level: public(Regular issues) 
>          Components: connector
>    Affects Versions: 2.2
>            Reporter: David Jencks
>            Assignee: David Jencks
>             Fix For: 2.2
>
>
> This results in a ManagedConnection not being returned to the pool:
> ConnectionFactory cf = (look it up)
> Connection c1 = cf.createConnection();
> Connection c2 = cf.createConnection();
> UserTransaction ut = (lookup)
> ut.begin()
> What happens is that the transaction manager starts enlisting the 
> connections.  The first one gets set up as the shared connection.  For the 
> second one, we just install the shared ManagedConnection without checking 
> that there is none there already.
> I tried returning any existing ManagedConnection but that doesn't work with 
> AMQ or other j2ca implementations that don't have dissociatable connections.  
> I think the best option is to keep using any other existing connections but 
> treat them as unshared.
> In case you are wondering why anyone would do this....  If you are using the 
> jms 1.0 apis you might get a QueueConnection and a TopicConnection at the 
> same time.
> Fix is in the txmanager component, not in geronimo itself.  This should be 
> applicable to g 2.1 and 2.2 and the 2.1 and trunk branches of the txmanager 
> component. 

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