JAVA

커넥터 8.0.11을 사용하여 MySql 데이터베이스를 Java와 연결하려고합니다. 모든 것이 정상인 것 같지만이 예외가 있습니다.

스레드 “main”java.sql.SQLNonTransientConnectionException의 예외 : 공개 키 검색이 허용되지 않습니다.

스택 추적 :

    Exception in thread "main" java.sql.SQLNonTransientConnectionException: Public Key Retrieval is not allowed at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:108) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:95) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122) at 
 com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:862) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:444) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:230) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:226) at com.mysql.cj.jdbc.MysqlDataSource.getConnection(MysqlDataSource.java:438) at com.mysql.cj.jdbc.MysqlDataSource.getConnection(MysqlDataSource.java:146) at com.mysql.cj.jdbc.MysqlDataSource.getConnection(MysqlDataSource.java:119) at ConnectionManager.getConnection(ConnectionManager.java:28) at Main.main(Main.java:8)

커넥터 관리자 :

public class ConnectionManager {

    public static final String serverTimeZone = "UTC";
    public static final String serverName = "localhost";
    public static final String databaseName ="biblioteka";
    public static final int portNumber = 3306;
    public static final String user = "anyroot";
    public static final String password = "anyroot";

    public static Connection getConnection() throws SQLException {

        MysqlDataSource dataSource = new MysqlDataSource();

        dataSource.setUseSSL( false );
        dataSource.setServerTimezone( serverTimeZone );
        dataSource.setServerName( serverName );
        dataSource.setDatabaseName( databaseName );
        dataSource.setPortNumber( portNumber );
        dataSource.setUser( user );
        dataSource.setPassword( password );

        return dataSource.getConnection();
    }
}

답변

jdbc:mysql://localhost:3306/db?allowPublicKeyRetrieval=true&useSSL=false

jdbc:mysql://localhost:3306/Database_dbName?allowPublicKeyRetrieval=true&useSSL=false;

ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'your_password_here'; 

spring.datasource.url=jdbc:mysql://localhost:3306/db-name?useUnicode=true&characterEncoding=UTF-8&allowPublicKeyRetrieval=true&useSSL=false
spring.datasource.username=root
spring.datasource.password=root