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Date: Thu, 7 Dec 2006 12:30:24 -0800 (PST)
From: "David Jencks (JIRA)" <jira@apache.org>
To: dev@geronimo.apache.org
Subject: [jira] Updated: (GERONIMO-2491) Hibernate passes connections
 between servlets which we don't support
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     [ http://issues.apache.org/jira/browse/GERONIMO-2491?page=all ]

David Jencks updated GERONIMO-2491:
-----------------------------------

    Fix Version/s: 2.0-M1
                       (was: 1.1.2)
                       (was: 1.2)
         Assignee: Jeff Genender  (was: David Jencks)

If you can get roller to deploy.... and this is still a problem please reassign to me with a stack trace.   If we fixed this problem please close.  If you can't get roller to deploy anymore either, assign it back to me :-)

> Hibernate passes connections between servlets which we don't support
> --------------------------------------------------------------------
>
>                 Key: GERONIMO-2491
>                 URL: http://issues.apache.org/jira/browse/GERONIMO-2491
>             Project: Geronimo
>          Issue Type: Bug
>      Security Level: public(Regular issues) 
>          Components: connector
>    Affects Versions: 1.1.1, 1.2
>            Reporter: David Jencks
>         Assigned To: Jeff Genender
>             Fix For: 2.0-M1
>
>
> This is based on examination of roller running in geronimo-tomcat and is partly speculation.  There's certainly  a problem.
> 1. request sets InstanceContext 1 in ConnectionTrackingCoordinator.
> 2. roller starts a persistence context (in hibernate jargon a session) in a servlet filter.  No connection is opened yet
> 3. tiles dispatches to a jsp
> 4. dispatch sets InstanceContext 2 in CTC
> 5. jsp does something persistent causing hibernate to open a db connection.  This is registered with IC 2.
> 6. jsp dispatch returns, so IC 1 is set in CTC
> 7. roller commits the persistence context in the servlet filter, which closes the connection.  Closing the connection attempts to unregister from the current IC.  IC 1 doesn't know anything about this connection..... we get an NPE.
> The solution isn't clear to me at the moment.  

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