今天连接mysql数据库报错如下: 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) to use a more s…

报错内容: 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) to use a more specifc time…

在使用eclipse连接mysql数据库时报异常: 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:3609) at com.my…

报这个错可能是因为用了低版本的的客户端.驱动连接高版本的mysql服务器. 解决方式有三种:升级客户端版本.修改服务端认证方式和适应服务端认证方式. 我是通过升级客户端版本解决,参考一下链接: Upgrading to MySQL Connector/J 8.0 同时收集了其他的解决问题的链接: 连接mysql 出现:java.sql.SQLException: Unable to load authentication plugin 'caching_sha2_password'…

报错:java.sql.SQLException: The server time zone value '�й���׼ʱ��' is unrecognized 在IDEA运行是报出例如相识的错误时: java.sql.SQLException: The server time zone value '�й���׼ʱ��' is unrecognized or represents more than one time zone. You must configure either the se…

报错信息: 2017-09-22 15:40:07,354 WARN [org.hibernate.cfg.SettingsFactory] - Could not obtain connection to query metadatajava.sql.SQLException: ORA-01017: 用户名/口令无效; 登录被拒绝 at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:439)    at oracle.jdbc…

异常:java.sql.SQLException: Before start of result set 解决方法:使用rs.getString();前一定要加上rs.next(); sm = conn.createStatement(); ResultSet rs = null; String sql_max = "SELECT id FROM a WHERE name= '" + name + "' ORDER BY online_time DESC LIMIT 1&qu…

SpringBoot运行报错——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) to use a more spe…

SpringBoot 2.1.4启动时报错 java.sql.SQLException: The server time zone value 'Öйú±ê׼ʱ¼ä' is unrecognized or represents more than one time...... application.properties中数据库配置为: spring.datasource.url=jdbc:mysql://localhost:3306/test?useUnicode=true&charac…

先是报错255,这个时候需要把 jdbc:mysql://localhost:3306/projUse 写成 jdbc:mysql://localhost:3306/projUse?useUnicode=true&characterEncoding=utf8 后来报错 java.sql.SQLException: Unknown system variable 'tx_isolation' 解决办法: 在pom.xml文件中将MySQL Connector / J版本升级为8: <!-- M…