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Mark,

On 9/16/2010 1:09 PM, Mark Eggers wrote:
> As another person said, make sure you have a recently updated MySQL driver. I 
> believe
> anything >= 5.1.11 solves a threading issue that was reported on their 
> (MySQL's) 
> bug
> tracking database.

NB: I believe the issue you are referencing is the creation of a
statement cancellation timer thread that is unstoppable (as far as I
have been able to get).

The issue caught by Tomcat "leak-prevention" code was that the JDBC
driver was registered but not unregistered.

I believe you can use the non-registering version of the driver if the
connection pool knows that you are definitely going to use a specific
driver for creating the JDBC connections. I haven't done this myself,
though.

- -chris
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