java.sql.SQLException: QueryRunner requires a DataSource to be invoked in this way, or a Connection
2017-08-27 22:40
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这个错误是使用c3p0-0.9.2-pre1.jar配置数据库的时候，按照字面意思就是说：SQLException异常:QueryRunner需要一个数据源以这种方式调用,或者应该传入的连接池。我们看前半段，需要一个数据源说明问题在于是否有数据源，后半句是说明是否有连接池。所以我们需要打断点看
：
1.不能缺连接池并且连接池不能为NULL 这就让我们去查看我们是否配置正确然后正常的获得。
2.是否把连接池传入。
例如：
new QueryRunner();//忘记传入连接池
new
QueryRunner(C3P0Utiles.getDataSource()); //修正之后
：
1.不能缺连接池并且连接池不能为NULL 这就让我们去查看我们是否配置正确然后正常的获得。
2.是否把连接池传入。
例如：
new QueryRunner();//忘记传入连接池
new
QueryRunner(C3P0Utiles.getDataSource()); //修正之后
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