> From: giocarmine [mailto:giocarm...@gmail.com]
> Subject: Tomcat and MySQL
> 
> i've developed a web application, it runs on Tomcat 5.5.4

Step 1: upgrade.  5.5.4 is over five years old and innumerable bugs and 
security issues have been fixed since then.

> It seems that the connection with MySQL it's closed by the 
> driver due to a timeout.

Not by the driver, but by the MySQL server.  Besides the autoReconnect setting, 
read the commons-dbcp doc and try the testOnBorrow and validationQuery settings:
http://commons.apache.org/dbcp/configuration.html

 - Chuck


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