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SQLException: No suitable driver found for jdbc:mysql://localhost:3306/xxxx

刚刚学习jsp,对着视频敲代码,报这个错误。

SQLException: No suitable driver found for jdbc:mysql://localhost:3306/shop

SQLState: 08001

VendorError: 0

问题,因为没有引入Driver类。

final String DBDRIVER = "org.gjt.mm.mysql.Driver";
String username = "root";
String password = "root";
String url = "jdbc:mysql://localhost:3306/shop";
Connection con = null;
try {
    Class.forName(DBDRIVER);
    con = DriverManager.getConnection(url, username, password);
} catch (SQLException e) {
    System.out.println("SQLException: " + e.getMessage());
    System.out.println("SQLState: " + e.getSQLState());
    System.out.println("VendorError: " + e.getErrorCode());
} catch (ClassNotFoundException e) {
    System.out.println("Class:" + e.getMessage());
}

加上Class.forName("xxxx")就OK了

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SQLException: No suitable driver found for jdbc:mysql://localhost:3306/xxxx