解決Hibernate報(bào)錯(cuò)The server time zone value is unrecognized or represents more than one time zone

??筆者在使用Hibernate做代碼重構(gòu)的時(shí)候，運(yùn)行時(shí)一直報(bào)同一個(gè)錯(cuò)誤。當(dāng)時(shí)筆者的運(yùn)行環(huán)境如下：

筆者報(bào)錯(cuò)時(shí)的運(yùn)行環(huán)境：
JDK 13.0.2
MySQL 8.0.21
Hibernate 5.4.25 Final Release
IntelliJ IDEA 2020.1.2 (Ultimate Edition)

??這個(gè)報(bào)錯(cuò)的信息如下：（這個(gè)報(bào)錯(cuò)信息居然還有亂碼）

ERROR: The server time zone value '���??��' 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. Exception in thread "main" org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment]at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:275)at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:237)at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:214)at org.hibernate.id.factory.internal.DefaultIdentifierGeneratorFactory.injectServices(DefaultIdentifierGeneratorFactory.java:152)at org.hibernate.service.internal.AbstractServiceRegistryImpl.injectDependencies(AbstractServiceRegistryImpl.java:286)at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:243)at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:214)at org.hibernate.boot.internal.InFlightMetadataCollectorImpl.<init>(InFlightMetadataCollectorImpl.java:176)at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.complete(MetadataBuildingProcess.java:127)at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.build(MetadataBuildingProcess.java:86)at org.hibernate.boot.internal.MetadataBuilderImpl.build(MetadataBuilderImpl.java:473)at org.hibernate.boot.internal.MetadataBuilderImpl.build(MetadataBuilderImpl.java:84)at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:689)at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:724)at lee.NewsManager.main(NewsManager.java:30) Caused by: org.hibernate.exception.GenericJDBCException: Error calling Driver#connectat org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:47)at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:113)at org.hibernate.engine.jdbc.connections.internal.BasicConnectionCreator.convertSqlException(BasicConnectionCreator.java:118)at org.hibernate.engine.jdbc.connections.internal.DriverConnectionCreator.makeConnection(DriverConnectionCreator.java:41)at org.hibernate.engine.jdbc.connections.internal.BasicConnectionCreator.createConnection(BasicConnectionCreator.java:58)at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl$PooledConnections.addConnections(DriverManagerConnectionProviderImpl.java:341)at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl$PooledConnections.<init>(DriverManagerConnectionProviderImpl.java:260)at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl$PooledConnections.<init>(DriverManagerConnectionProviderImpl.java:238)at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl$PooledConnections$Builder.build(DriverManagerConnectionProviderImpl.java:379)at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl.buildPool(DriverManagerConnectionProviderImpl.java:98)at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl.configure(DriverManagerConnectionProviderImpl.java:73)at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:107)at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:246)at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:214)at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.buildJdbcConnectionAccess(JdbcEnvironmentInitiator.java:145)at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:66)at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:35)at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.initiateService(StandardServiceRegistryImpl.java:101)at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:263)... 14 more Caused by: java.sql.SQLException: The server time zone value '���??��' 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:129)at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97)at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:89)at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:63)at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:73)at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:76)at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:836)at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:456)at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246)at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:197)at org.hibernate.engine.jdbc.connections.internal.DriverConnectionCreator.makeConnection(DriverConnectionCreator.java:38)... 29 more Caused by: com.mysql.cj.exceptions.InvalidConnectionAttributeException: The server time zone value '���??��' 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 java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500)at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:481)at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:85)at com.mysql.cj.util.TimeUtil.getCanonicalTimezone(TimeUtil.java:132)at com.mysql.cj.protocol.a.NativeProtocol.configureTimezone(NativeProtocol.java:2120)at com.mysql.cj.protocol.a.NativeProtocol.initServerSession(NativeProtocol.java:2143)at com.mysql.cj.jdbc.ConnectionImpl.initializePropsFromServer(ConnectionImpl.java:1310)at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:967)at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:826)... 33 more

??這是因?yàn)樽訫ySQL 6.0之后，connection.url對應(yīng)的內(nèi)容必須加上serverTimezone參數(shù)（比如serverTimezone=UTC）。筆者原來的配置片段如下：

<property name="connection.url">jdbc:mysql://localhost/hibernate?useSSL=true</property>

??而自MySQL 6.0之后，這要改成：

<property name="connection.url">jdbc:mysql://localhost/hibernate?useSSL=true&amp;serverTimezone=UTC</property> 超強(qiáng)干貨來襲 云風(fēng)專訪：近40年碼齡，通宵達(dá)旦的技術(shù)人生

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