Exception in thread "main" java.lang.AbstractMethodError

Question

Class.forName("com.mysql.jdbc.Driver");
connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/testjdbc", "root", "123456");
ps = connection.prepareStatement("INSERT into t_user (username,myinfo) VALUES(?,?)");
ps.setString(1, "mm");
ps.setClob(2, new FileReader(new File("d:/a.txt")));

        ps.executeUpdate();

Answer 1

可以的话麻烦贴下完整的错误信息