学习SpringBoot也没有多久，今天SpringBoot连接数据库的时候报如下错误：
java.sql.SQLException: The server time zone value ‘?й???????‘ 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 zone value if you want to utilize time zone support. at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:545) ~[mysql-connector-java-6.0.5.jar:6.0.5] at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:513) ~[mysql-connector-java-6.0.5.jar:6.0.5] at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:505) ~[mysql-connector-java-6.0.5.jar:6.0.5] at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:479) ~[mysql-connector-java-6.0.5.jar:6.0.5] at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:489) ~[mysql-connector-java-6.0.5.jar:6.0.5] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:69) ~[mysql-connector-java-6.0.5.jar:6.0.5] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:1606) ~[mysql-connector-java-6.0.5.jar:6.0.5] at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:633) ~[mysql-connector-java-6.0.5.jar:6.0.5] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:347) ~[mysql-connector-java-6.0.5.jar:6.0.5] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:219) ~[mysql-connector-java-6.0.5.jar:6.0.5] at org.apache.tomcat.jdbc.pool.PooledConnection.connectUsingDriver(PooledConnection.java:310) ~[tomcat-jdbc-8.5.16.jar:na] at org.apache.tomcat.jdbc.pool.PooledConnection.connect(PooledConnection.java:203) ~[tomcat-jdbc-8.5.16.jar:na] at org.apache.tomcat.jdbc.pool.ConnectionPool.createConnection(ConnectionPool.java:735) [tomcat-jdbc-8.5.16.jar:na] at org.apache.tomcat.jdbc.pool.ConnectionPool.borrowConnection(ConnectionPool.java:667) [tomcat-jdbc-8.5.16.jar:na] at org.apache.tomcat.jdbc.pool.ConnectionPool.init(ConnectionPool.java:482) [tomcat-jdbc-8.5.16.jar:na] at org.apache.tomcat.jdbc.pool.ConnectionPool.<init>(ConnectionPool.java:154) [tomcat-jdbc-8.5.16.jar:na] at org.apache.tomcat.jdbc.pool.DataSourceProxy.pCreatePool(DataSourceProxy.java:118) [tomcat-jdbc-8.5.16.jar:na] at org.apache.tomcat.jdbc.pool.DataSourceProxy.createPool(DataSourceProxy.java:107) [tomcat-jdbc-8.5.16.jar:na] at org.apache.tomcat.jdbc.pool.DataSourceProxy.getConnection(DataSourceProxy.java:131) [tomcat-jdbc-8.5.16.jar:na] at com.self.spring.springboot3.App.main(App.java:21) [classes/:na] Caused by: com.mysql.cj.core.exceptions.InvalidConnectionAttributeException: The server time zone value ‘?й???????‘ 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 zone value if you want to utilize time zone support. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_91] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_91] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_91] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_91] at com.mysql.cj.core.exceptions.ExceptionFactory.createException(ExceptionFactory.java:54) ~[mysql-connector-java-6.0.5.jar:6.0.5] at com.mysql.cj.core.exceptions.ExceptionFactory.createException(ExceptionFactory.java:73) ~[mysql-connector-java-6.0.5.jar:6.0.5] at com.mysql.cj.jdbc.util.TimeUtil.getCanonicalTimezone(TimeUtil.java:118) ~[mysql-connector-java-6.0.5.jar:6.0.5] at com.mysql.cj.mysqla.MysqlaSession.configureTimezone(MysqlaSession.java:293) ~[mysql-connector-java-6.0.5.jar:6.0.5] at com.mysql.cj.jdbc.ConnectionImpl.initializePropsFromServer(ConnectionImpl.java:2399) ~[mysql-connector-java-6.0.5.jar:6.0.5] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:1739) ~[mysql-connector-java-6.0.5.jar:6.0.5] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:1596) ~[mysql-connector-java-6.0.5.jar:6.0.5] ... 13 common frames omitted
我们用mavean加载mysql驱动包的时候，一般如下加载的：
<dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>6.0.5</version> </dependency>
但是我们使用springboot框架来编写程序就会报错误，并且在pom.xml中也会有相关提示：
解决方案：我把mysql的版本号去掉就可以正常运行了。
原文：http://www.cnblogs.com/javJoker/p/7348699.html