java.sql.SQLException: Access denied for user 'root'@'192.168.1.2' (using password: YES)

linux中 mysql 
1. 問題 若是出現   java.sql.SQLException: Access denied for user 'root'@'192.168.1.2' (using password: YES)  
     意思是這個ip沒有受權訪問  
     
     解決辦法  
      SELECT * FROM mysql.user WHERE USER='root' 
GRANT ALL PRIVILEGES ON *.* TO 'root'@'192.168.1.2' IDENTIFIED BY 'root';
FLUSH PRIVILEGES;