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java.sql.SQLException: Access denied for user ''@'localhost' (using password: YES)	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:963)	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3966)	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3902)	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:875)	at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1712)	at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1228)	at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2253)	at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2284)	at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2083)	at com.mysql.jdbc.ConnectionImpl.(ConnectionImpl.java:806)	at com.mysql.jdbc.JDBC4Connection.(JDBC4Connection.java:47)	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)	at java.lang.reflect.Constructor.newInstance(Unknown Source)	at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)	at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:410)	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:328)	at java.sql.DriverManager.getConnection(Unknown Source)	at java.sql.DriverManager.getConnection(Unknown Source)	at org.hibernate.connection.DriverManagerConnectionProvider.getConnection(DriverManagerConnectionProvider.java:110)	at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:423)	at org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:144)	at org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:119)	at org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:57)	at org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1326)	at com.demo.Main.main(Main.java:25)