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java.sql.SQLException: Unable to load authentication plugin ‘caching_sha2_password‘.

错误描述 java.sql.SQLException: Unable to load authentication plugin 'caching_sha2_password'. at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:926) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:923) at com.mysql.jdbc.Mysq

The server time zone value ‘�й���׼ʱ��‘ is unrecognized or represents more than one time zone......

spark写入mysql报错如下 Caused by :com.mysql.cj.exceptions.InvalidConnectionAttributeException: The server time zone value ‘�й���׼ʱ��’ is unrecognized or represents more than one time zone. You must configure either the server or JDBC driver (via the ‘se

java.sql.SQLException: Access denied for user ‘root‘@‘localhost‘ (using password: YES)报错解决方法

java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:965) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3976) at com.my

IntelliJ IDEA中遇到服务器时区值‘�й���׼ʱ��‘ 无法识别或表示多个时区。

显示代码错误如下： jdbc一直连接不成功 java.sql.SQLException: The server time zone value ‘�й���׼ʱ��’ is unrecognized or represents more than one time zone. You must configure either the server or JDBC driver (via the serverTimezone configuration property) t

jdbc连接数据库问题解决

一、mysql-connector-java与mysql版本不相符 1、报错信息 com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.

mysql版本低报的错

详细错误： 1 java.sql.SQLException: Unknown system variable 'query_cache_size' 2 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:959) 3 at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3870) 4 at com.mysql.jdbc.Mys

报错 "Host '192.168.209.1' is not allowed to connect to this MySQL server"

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