Please note: http://www.javahotchocolate.com/tutorials/jdbc.html
A driver already exists with this name. Specify a unique driver name. ... until you delete the internal (but incorrect) workspace of this driver’s workspace. (This process is more complex than for a “simple” user library.)
To remove a driver definition so that it can be re-added from scratch to match its actual disk location:
" ".
( → ).
, .
, .
" ".
, "MySQL JDBC Driver | MySQL | 5.1", "".
, OK.
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