Access denied for user 'root'@'localhost' (using password: YES) (Mysql::Error)

Question

I tried to deploy web application on my server and I am getting this mysql database exception

Access denied for user 'root'@'localhost' (using password: YES) (Mysql::Error)

I tried to access the database from the command prompt using mysql -u root -p I am able to do all the database operations.

what is the error

java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2928)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:771)
    at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:3649)
    at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1176)
    at com.mysql.jdbc.Connection.createNewIO(Connection.java:2558)
    at com.mysql.jdbc.Connection.<init>(Connection.java:1485)
    at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:266)
    at java.sql.DriverManager.getConnection(DriverManager.java:620)
    at java.sql.DriverManager.getConnection(DriverManager.java:200)
    at com.mpigeon.DbConnection.DbConn(DbConnection.java:26)
    at com.mpigeon.CheckLoginHome.doGet(CheckLoginHome.java:39)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

Answer 1

You need to grant access to root from localhost. Check this ubuntu help

Answer 2

try using root like..

mysql -uroot

then you can check different user and host after you logged in by using

select user,host,password from mysql.user;

Answer 3

check you are putting blank space in password.