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

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  1. ,
    Expert tip

    MySQL doesn't support some types of characters (such as emojis) with the utf8 encoding. You need to be on MySQL 5.5+ and force utf8mb4 (everywhere, client and server). You can do this sending the query "SET NAMES utf8mb4". Check this https://goo.gl/3E2qzg

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    Make sure you are using InnoDB storage engine and READ-COMMITTED transaction isolation level and increase the database server innodb_lock_wait_timeout variable to about 500.

Solutions on the web

via Google Groups by Daniel Mendez, 1 year ago
Access denied for user 'root'@'localhost' (using password: YES)
via roseindia.net by Unknown author, 1 year ago
Access denied for user 'root'@'localhost' (using password : YES)
via Oracle Community by 574272, 1 year ago
Access denied for user 'USERNAME'@'%' (using password: YES)
via Stack Overflow by y2k-shubham
, 1 month ago
Incorrect key file for table '/rdsdbdata/tmp/#sql_14ae_5.MYI'; try to repair it
via Stack Overflow by user5620472
, 1 year ago
Incorrect string value: '\xD0\xBA\xD1\x83\xD0\xBF...' for column 'description' at row 1
via mysql.com by Unknown author, 2 years ago
Access denied for user 'root'@'localhost' (using password: YES)
java.sql.SQLException: Access denied for user 'root'@'localhost' (using
 password: YES)	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1073)	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4096)