After taking over a coworker's project I noticed he was using "org.gjt.mm.mysql.Driver" as the jdbc driver for MySQL 5 instead of the more common one "com.mysql.jdbc.Driver". They both are contained in the driver I found on Maven central that appears to be the standard distribution of the driver.
When I look up gjt.org I found some old site that talks about "Mark's mysql driver".
http://gjt.org/
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