eclipse connection sql2008, seek the guidance of the great God

What code should be no question of it , the mapping done, then there is a warning , as



then there is a connection failure , I do not know ah , as shown :



Which Great God help solve what ah , thank you
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not load the database driver
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little package. . . . . .
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jar package really is a problem
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this argument you believe ....
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solve the knot posted it on
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has been resolved. . . .
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Blessings, solved, I put two packages are imported , it defaults to the first one , the results of the first to do so . . . . Some say that import two insurance. . . Finally, I was the pit , ha ha, thank you