java.sql.SQLException: Access denied for user ‘root’@‘222.128.172.12’ (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1055) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:956) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3536) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3468) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:917) at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:3974) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1282) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2142) at com.mysql.jdbc.ConnectionImpl.(ConnectionImpl.java:773) at com.mysql.jdbc.JDBC4Connection.(JDBC4Connection.java:46) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
解决：进入 mysql ;
use mysql;
然后 执行
GRANT ALL PRIVILEGES ON . TO root@“你.的.端.口” IDENTIFIED BY “你的密码” WITH GRANT OPTION;
FLUSH PRIVILEGES;
