org.hibernate.exception.GenericJDBCException: Cannot open connection

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    Exception in thread "main" org.hibernate.exception.GenericJDBCException: Cannot open connection using mySQL

    Stack Overflow | 2 months ago | Rajesh Sitaula
    org.hibernate.exception.GenericJDBCException: Cannot open connection
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    Mysql Tomcat java.sql.SQLException - Spring Forum

    spring.io | 2 years ago
    java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: NO)
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    java - Porque o código do Hibernate no Eclipse não se conecta a Base de Dados MySQL?

    com.br | 1 year ago
    java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: NO)
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    java - Porque o código do Hibernate no Eclipse não se conecta a Base de Dados MySQL?

    com.br | 8 months ago
    java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: NO)
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    JPA+Glassfish+JEE

    openclassrooms.com | 1 year ago
    java.sql.SQLException: Access denied for user ''@'localhost' (using password: YES)

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Root Cause Analysis

  1. java.sql.SQLException

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

    at com.mysql.jdbc.SQLError.createSQLException()
  2. MySQL jdbc
    JDBC4Connection.<init>
    1. com.mysql.jdbc.SQLError.createSQLException(SQLError.java:963)
    2. com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3966)
    3. com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3902)
    4. com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:875)
    5. com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1712)
    6. com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1228)
    7. com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2253)
    8. com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2284)
    9. com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2083)
    10. com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:806)
    11. com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
    11 frames
  3. Java RT
    Constructor.newInstance
    1. sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    2. sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
    3. sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
    4. java.lang.reflect.Constructor.newInstance(Unknown Source)
    4 frames
  4. MySQL jdbc
    NonRegisteringDriver.connect
    1. com.mysql.jdbc.Util.handleNewInstance(Util.java:404)
    2. com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:410)
    3. com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:328)
    3 frames
  5. Java RT
    DriverManager.getConnection
    1. java.sql.DriverManager.getConnection(Unknown Source)
    2. java.sql.DriverManager.getConnection(Unknown Source)
    2 frames
  6. Hibernate
    DriverManagerConnectionProvider.getConnection
    1. org.hibernate.connection.DriverManagerConnectionProvider.getConnection(DriverManagerConnectionProvider.java:110)
    1 frame
  7. Hibernate
    JDBCTransaction.begin
    1. org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:423)
    2. org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:144)
    3. org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:119)
    4. org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:57)
    4 frames
  8. Hibernate
    SessionImpl.beginTransaction
    1. org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1326)
    1 frame
  9. com.demo
    Main.main
    1. com.demo.Main.main(Main.java:25)
    1 frame