?MySQL報時區(qū)異常：

org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLException: Cannot create PoolableConnectionFactory (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.)] with root cause

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 sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

? ? ? ? at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)

? ? ? ? at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

? ? ? ? at java.lang.reflect.Constructor.newInstance(Constructor.java:423)

? ? ? ? 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:128)

? ? ? ? at com.mysql.cj.protocol.a.NativeProtocol.configureTimezone(NativeProtocol.java:2236)

? ? ? ? at com.mysql.cj.protocol.a.NativeProtocol.initServerSession(NativeProtocol.java:2260)

? ? ? ? at com.mysql.cj.jdbc.ConnectionImpl.initializePropsFromServer(ConnectionImpl.java:1314)

? ? ? ? at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:963)

? ? ? ? at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:822)

? ? ? ? at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:456)

? ? ? ? at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:240)

? ? ? ? at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:207)

? ? ? ? at org.apache.commons.dbcp2.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:53)

? ? ? ? at org.apache.commons.dbcp2.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:291)

? ? ? ? at org.apache.commons.dbcp2.BasicDataSource.validateConnectionFactory(BasicDataSource.java:2395)

? ? ? ? at org.apache.commons.dbcp2.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:2381)

? ? ? ? at org.apache.commons.dbcp2.BasicDataSource.createDataSource(BasicDataSource.java:2110)

? ? ? ? at org.apache.commons.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1563)

? ? ? ? at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:151)

? ? ? ? at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:115)

? ? ? ? at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:78)

? ? ? ? at org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:82)

? ? ? ? at org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:68)

? ? ? ? at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:338)

? ? ? ? at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:84)

? ? ? ? at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:62)

? ? ? ? at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:326)

? ? ? ? at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156)

? ? ? ? at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109)

? ? ? ? at com.github.pagehelper.PageInterceptor.intercept(PageInterceptor.java:108)

? ? ? ? at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:61)

? ? ? ? at com.sun.proxy.$Proxy53.query(Unknown Source)

? ? ? ? at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:148)

? ? ? ? at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:141)

? ? ? ? at org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:77)

? ? ? ? at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

? ? ? ? at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

? ? ? ? at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

? ? ? ? at java.lang.reflect.Method.invoke(Method.java:498)

? ? ? ? at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:433)

? ? ? ? at com.sun.proxy.$Proxy44.selectOne(Unknown Source)

? ? ? ? at org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:166)

? ? ? ? at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:83)

? ? ? ? at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:59)

? ? ? ? at com.sun.proxy.$Proxy48.selectAdminSigninInfo(Unknown Source)

? ? ? ? at org.terryxu.tws.mvideo.service.impl.AdminServiceImpl.signin(AdminServiceImpl.java:21)

? ? ? ? at org.terryxu.tws.mvideo.controller.mgmt.AdminMgmtController.signin(AdminMgmtController.java:38)

? ? ? ? at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

? ? ? ? at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

? ? ? ? at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

? ? ? ? at java.lang.reflect.Method.invoke(Method.java:498)

? ? ? ? at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:207)

? ? ? ? at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137)

? ? ? ? at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)

? ? ? ? at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895)

? ? ? ? at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:800)

? ? ? ? at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)

? ? ? ? at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1038)

? ? ? ? at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)

? ? ? ? at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:998)

? ? ? ? at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:901)

? ? ? ? at javax.servlet.http.HttpServlet.service(HttpServlet.java:648)

? ? ? ? at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:875)

? ? ? ? at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)

? ? ? ? at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)

? ? ? ? at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)

? ? ? ? at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

? ? ? ? at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)

? ? ? ? at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)

? ? ? ? at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)

? ? ? ? at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

? ? ? ? at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)

? ? ? ? at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)

? ? ? ? at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)

? ? ? ? at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:94)

? ? ? ? at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504)

? ? ? ? at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)

? ? ? ? at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)

? ? ? ? at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)

? ? ? ? at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:502)

? ? ? ? at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1132)

? ? ? ? at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:684)

? ? ? ? at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1533)

? ? ? ? at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1489)

? ? ? ? at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)

? ? ? ? at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)

? ? ? ? at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)

? ? ? ? at java.lang.Thread.run(Thread.java:748)

解決方法：