Exception in thread “main“ java.sql.SQLException: The server time zone value xxx异常

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问题描述：jdbc连接MySQL数据库时报错：Exception in thread “main” java.sql.SQLException: The server time zone value XXX异常

问题分析：这是由于mysql8.0以上版本默认的时区和本地时区不一致导致的，即时间区域时差问题
其默认的时区是UTC代表的是全球标准时间 ，但是我们使用的时间即本地时区是北京时区也就是东八区，领先UTC八个小时。

问题解决：可以在连接数据库的url后面加上以下语句
“?serverTimezone=GMT%2B8”
在这里插入图片描述

java.lang.RuntimeException: java.sql.SQLDataException: Cannot determine value type from string ‘武汉‘
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java.lang.RuntimeException: java.sql.SQLDataException: Cannot determine value type from string '武汉'
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异常：java.sql.SQLException: The server time zone value ‘?й???????’ is unrecognized or represents more
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异常错误：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. 出现
解决：java.sql.SQLException： The server time zone value xxxxx is unrecognized or represents more tha
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异常信息：Exception in thread “main” java.lang.RuntimeException: 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’ c
Exception in thread “main“ java.sql.SQLException: The server time zone value ‘�й���׼ʱ��‘
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问题完整提示： Exception in thread "main" 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
Exception in thread “main“ java.sql.SQLException: The server time zone value……
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用java连接数据库的时候出现该错误，是系统时间错误 解决办法：在URL后加上?serverTimezone=GMT%2B8 //原URL： jdbc:mysql://localhost:3306/test //现URL jdbc:mysql://localhost:3306/test?serverTimezone=GMT%2B8
Loading class `com.mysql.jdbc.Driver'. This is deprecated. The new driver class is `com.mysql.cj.jdbc.Driver'. The driver is automatically registered via the SPI and manual loading of the driver class is generally unnecessary. Exception in thread "main" org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is 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 zone value if you want to utilize time zone support.
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- **时区设置**：在JDBC URL中添加 `serverTimezone=UTC` 可以明确指定服务器时区，避免出现时区值无法识别的问题。 ### 示例代码 以下是一个简单的Spring JDBC示例，展示如何使用修改后的数据源配置： ```java ...
This is deprecated. The new driver class is `com.mysql.cj.jdbc.Driver'. The driver is automatically registered via the SPI and manual loading of the driver class is generally unnecessary. Exception in thread "main" java.sql.SQLSyntaxErrorException: Column 'id' not found. at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:112) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:89) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:81) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:55) at com.mysql.cj.jdbc.result.ResultSetImpl.findColumn(ResultSetImpl.java:604) at com.mysql.cj.jdbc.result.ResultSetImpl.getObject(ResultSetImpl.java:1427) at Test.main(Test.java:27)
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1. 如何解决MySQL Connector/J 8.0的时区报错`The server time zone value 'xxx' is unrecognized`? 2. MyBatis出现`Invalid bound statement (not found)`错误应如何排查？ 3. 在Linux环境下如何永久修改MySQL的...
2025-09-19 11:44:34.014 [main] DEBUG o.s.cloud.gateway.filter.GatewayMetricsFilter - New routes count: 0 2025-09-19 11:44:34.017 [main] DEBUG o.s.b.c.p.s.ConfigurationPropertySourcesPropertyResolver$DefaultResolver - Found key 'spring.liveBeansView.mbeanDomain' in PropertySource 'systemProperties' with value of type String 2025-09-19 11:44:34.019 [main] INFO com.hvlink.OrderApplication - Started OrderApplication in 78.089 seconds (JVM running for 85.778) 2025-09-19 11:44:34.022 [scheduling-1] DEBUG o.s.jdbc.datasource.DataSourceTransactionManager - Creating new transaction with name [com.hvlink.service.impl.SyncPlanProtocolServiceImpl.syncPurchaseOrderData]: PROPAGATION_REQUIRED,ISOLATION_DEFAULT; 'transactionManager',-java.lang.Exception 2025-09-19 11:44:34.024 [main] DEBUG o.s.boot.availability.ApplicationAvailabilityBean - Application availability state LivenessState changed to CORRECT 2025-09-19 11:44:34.037 [main] INFO c.a.cloud.nacos.refresh.NacosContextRefresher - [Nacos Config] Listening config: dataId=order-service-dev.yaml, group=HV-LINK-SERVICE 2025-09-19 11:44:34.038 [main] DEBUG o.s.boot.availability.ApplicationAvailabilityBean - Application availability state ReadinessState changed to ACCEPTING_TRAFFIC 2025-09-19 11:44:34.119 [scheduling-1] ERROR com.alibaba.druid.pool.DruidDataSource - {dataSource-1} init error java.sql.SQLException: url not set at com.alibaba.druid.pool.DruidDataSource.resolveDriver(DruidDataSource.java:1273) at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:898) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1462) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1458) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:83) at org.springframework.jdbc.datasource.lookup.AbstractRoutingDataSource.getConnection(AbstractRoutingDataSource.java:194) at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:269) at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:400) at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:373) at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:595) at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:382) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:762) at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:707) at com.hvlink.service.impl.SyncPlanProtocolServiceImpl$$EnhancerBySpringCGLIB$$3a72ce1.syncPurchaseOrderData(<generated>) 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.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:84) at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:750) 2025-09-19 11:44:34.120 [scheduling-1] ERROR o.s.s.support.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is java.sql.SQLException: url not set at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:313) at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:400) at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:373) at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:595) at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:382) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:762) at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:707) at com.hvlink.service.impl.SyncPlanProtocolServiceImpl$$EnhancerBySpringCGLIB$$3a72ce1.syncPurchaseOrderData(<generated>) 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.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:84) at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:750) Caused by: java.sql.SQLException: url not set at com.alibaba.druid.pool.DruidDataSource.resolveDriver(DruidDataSource.java:1273) at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:898) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1462) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1458) at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:83) at org.springframework.jdbc.datasource.lookup.AbstractRoutingDataSource.getConnection(AbstractRoutingDataSource.java:194) at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:269) ... 22 common frames omitted 2025-09-19 11:44:40.437 [RMI TCP Connection(5)-2.0.0.1] DEBUG o.springframework.jdbc.datasource.DataSourceUtils - Fetching JDBC Connection from DataSource
09-20
nested exception is java.sql.SQLException: url not set ``` --- ## ✅ 问题定位 ### 核心错误：`url not set` 这是 **Druid 数据源初始化失败** 的关键提示。 > `...
C:\Users\Administrator\.jdks\ms-17.0.15\bin\java.exe -XX:TieredStopAtLevel=1 -Dspring.output.ansi.enabled=always -Dcom.sun.management.jmxremote -Dspring.jmx.enabled=true -Dspring.liveBeansView.mbeanDomain -Dspring.application.admin.enabled=true "-Dmanagement.endpoints.jmx.exposure.include=*" "-javaagent:C:\Users\Administrator\AppData\Local\Programs\IntelliJ IDEA Ultimate 2025.1.3\lib\idea_rt.jar=64611" -Dfile.encoding=UTF-8 -classpath C:\Users\Administrator\IdeaProjects\demo\target\classes;D:\apache-maven-3.9.10\maven-repository\org\springframework\boot\spring-boot-starter-web\2.6.13\spring-boot-starter-web-2.6.13.jar;D:\apache-maven-3.9.10\maven-repository\org\springframework\boot\spring-boot-starter\2.6.13\spring-boot-starter-2.6.13.jar;D:\apache-maven-3.9.10\maven-repository\org\springframework\boot\spring-boot-starter-logging\2.6.13\spring-boot-starter-logging-2.6.13.jar;D:\apache-maven-3.9.10\maven-repository\ch\qos\logback\logback-classic\1.2.11\logback-classic-1.2.11.jar;D:\apache-maven-3.9.10\maven-repository\ch\qos\logback\logback-core\1.2.11\logback-core-1.2.11.jar;D:\apache-maven-3.9.10\maven-repository\org\apache\logging\log4j\log4j-to-slf4j\2.17.2\log4j-to-slf4j-2.17.2.jar;D:\apache-maven-3.9.10\maven-repository\org\apache\logging\log4j\log4j-api\2.17.2\log4j-api-2.17.2.jar;D:\apache-maven-3.9.10\maven-repository\org\slf4j\jul-to-slf4j\1.7.36\jul-to-slf4j-1.7.36.jar;D:\apache-maven-3.9.10\maven-repository\jakarta\annotation\jakarta.annotation-api\1.3.5\jakarta.annotation-api-1.3.5.jar;D:\apache-maven-3.9.10\maven-repository\org\yaml\snakeyaml\1.29\snakeyaml-1.29.jar;D:\apache-maven-3.9.10\maven-repository\org\springframework\boot\spring-boot-starter-json\2.6.13\spring-boot-starter-json-2.6.13.jar;D:\apache-maven-3.9.10\maven-repository\com\fasterxml\jackson\core\jackson-databind\2.13.4.2\jackson-databind-2.13.4.2.jar;D:\apache-maven-3.9.10\maven-repository\com\fasterxml\jackson\core\jackson-annotations\2.13.4\jackson-annotations-2.13.4.jar;D:\apache-maven-3.9.10\maven-repository\com\fasterxml\jackson\core\jackson-core\2.13.4\jackson-core-2.13.4.jar;D:\apache-maven-3.9.10\maven-repository\com\fasterxml\jackson\datatype\jackson-datatype-jdk8\2.13.4\jackson-datatype-jdk8-2.13.4.jar;D:\apache-maven-3.9.10\maven-repository\com\fasterxml\jackson\datatype\jackson-datatype-jsr310\2.13.4\jackson-datatype-jsr310-2.13.4.jar;D:\apache-maven-3.9.10\maven-repository\com\fasterxml\jackson\module\jackson-module-parameter-names\2.13.4\jackson-module-parameter-names-2.13.4.jar;D:\apache-maven-3.9.10\maven-repository\org\springframework\boot\spring-boot-starter-tomcat\2.6.13\spring-boot-starter-tomcat-2.6.13.jar;D:\apache-maven-3.9.10\maven-repository\org\apache\tomcat\embed\tomcat-embed-core\9.0.68\tomcat-embed-core-9.0.68.jar;D:\apache-maven-3.9.10\maven-repository\org\apache\tomcat\embed\tomcat-embed-el\9.0.68\tomcat-embed-el-9.0.68.jar;D:\apache-maven-3.9.10\maven-repository\org\apache\tomcat\embed\tomcat-embed-websocket\9.0.68\tomcat-embed-websocket-9.0.68.jar;D:\apache-maven-3.9.10\maven-repository\org\springframework\spring-web\5.3.23\spring-web-5.3.23.jar;D:\apache-maven-3.9.10\maven-repository\org\springframework\spring-beans\5.3.23\spring-beans-5.3.23.jar;D:\apache-maven-3.9.10\maven-repository\org\springframework\spring-webmvc\5.3.23\spring-webmvc-5.3.23.jar;D:\apache-maven-3.9.10\maven-repository\org\springframework\spring-aop\5.3.23\spring-aop-5.3.23.jar;D:\apache-maven-3.9.10\maven-repository\org\springframework\spring-context\5.3.23\spring-context-5.3.23.jar;D:\apache-maven-3.9.10\maven-repository\org\springframework\spring-expression\5.3.23\spring-expression-5.3.23.jar;D:\apache-maven-3.9.10\maven-repository\org\slf4j\slf4j-api\1.7.36\slf4j-api-1.7.36.jar;D:\apache-maven-3.9.10\maven-repository\org\springframework\spring-core\5.3.23\spring-core-5.3.23.jar;D:\apache-maven-3.9.10\maven-repository\org\springframework\spring-jcl\5.3.23\spring-jcl-5.3.23.jar;D:\apache-maven-3.9.10\maven-repository\org\springframework\boot\spring-boot-configuration-processor\2.6.13\spring-boot-configuration-processor-2.6.13.jar;D:\apache-maven-3.9.10\maven-repository\org\springframework\boot\spring-boot-devtools\2.6.13\spring-boot-devtools-2.6.13.jar;D:\apache-maven-3.9.10\maven-repository\org\springframework\boot\spring-boot\2.6.13\spring-boot-2.6.13.jar;D:\apache-maven-3.9.10\maven-repository\org\springframework\boot\spring-boot-autoconfigure\2.6.13\spring-boot-autoconfigure-2.6.13.jar;D:\apache-maven-3.9.10\maven-repository\org\projectlombok\lombok\1.18.24\lombok-1.18.24.jar;D:\apache-maven-3.9.10\maven-repository\org\mybatis\spring\boot\mybatis-spring-boot-starter\2.2.2\mybatis-spring-boot-starter-2.2.2.jar;D:\apache-maven-3.9.10\maven-repository\org\springframework\boot\spring-boot-starter-jdbc\2.6.13\spring-boot-starter-jdbc-2.6.13.jar;D:\apache-maven-3.9.10\maven-repository\com\zaxxer\HikariCP\4.0.3\HikariCP-4.0.3.jar;D:\apache-maven-3.9.10\maven-repository\org\springframework\spring-jdbc\5.3.23\spring-jdbc-5.3.23.jar;D:\apache-maven-3.9.10\maven-repository\org\mybatis\spring\boot\mybatis-spring-boot-autoconfigure\2.2.2\mybatis-spring-boot-autoconfigure-2.2.2.jar;D:\apache-maven-3.9.10\maven-repository\org\mybatis\mybatis\3.5.9\mybatis-3.5.9.jar;D:\apache-maven-3.9.10\maven-repository\org\mybatis\mybatis-spring\2.0.7\mybatis-spring-2.0.7.jar;D:\apache-maven-3.9.10\maven-repository\org\springframework\spring-tx\5.3.23\spring-tx-5.3.23.jar;D:\apache-maven-3.9.10\maven-repository\com\mysql\mysql-connector-j\8.0.31\mysql-connector-j-8.0.31.jar;D:\apache-maven-3.9.10\maven-repository\org\springframework\boot\spring-boot-starter-actuator\2.6.13\spring-boot-starter-actuator-2.6.13.jar;D:\apache-maven-3.9.10\maven-repository\org\springframework\boot\spring-boot-actuator-autoconfigure\2.6.13\spring-boot-actuator-autoconfigure-2.6.13.jar;D:\apache-maven-3.9.10\maven-repository\org\springframework\boot\spring-boot-actuator\2.6.13\spring-boot-actuator-2.6.13.jar;D:\apache-maven-3.9.10\maven-repository\io\micrometer\micrometer-core\1.8.11\micrometer-core-1.8.11.jar;D:\apache-maven-3.9.10\maven-repository\org\hdrhistogram\HdrHistogram\2.1.12\HdrHistogram-2.1.12.jar;D:\apache-maven-3.9.10\maven-repository\org\latencyutils\LatencyUtils\2.0.3\LatencyUtils-2.0.3.jar com.example.demo.DemoApplication 13:56:27.056 [Thread-0] DEBUG org.springframework.boot.devtools.restart.classloader.RestartClassLoader - Created RestartClassLoader org.springframework.boot.devtools.restart.classloader.RestartClassLoader@1cb8876e . ____ _ __ _ _ /\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \ ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/ ___)| |_)| | | | | || (_| | ) ) ) ) ' |____| .__|_| |_|_| |_\__, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot :: (v2.6.13) 2025-07-11 13:56:27.326 INFO 23028 --- [ restartedMain] com.example.demo.DemoApplication : Starting DemoApplication using Java 17.0.15 on 闫晓强 with PID 23028 (C:\Users\Administrator\IdeaProjects\demo\target\classes started by Administrator in C:\Users\Administrator\IdeaProjects\demo) 2025-07-11 13:56:27.327 INFO 23028 --- [ restartedMain] com.example.demo.DemoApplication : No active profile set, falling back to 1 default profile: "default" 2025-07-11 13:56:27.362 INFO 23028 --- [ restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : Devtools property defaults active! Set 'spring.devtools.add-properties' to 'false' to disable 2025-07-11 13:56:27.362 INFO 23028 --- [ restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : For additional web related logging consider setting the 'logging.level.web' property to 'DEBUG' 2025-07-11 13:56:27.957 WARN 23028 --- [ restartedMain] o.m.s.mapper.ClassPathMapperScanner : No MyBatis mapper was found in '[com.example.demo]' package. Please check your configuration. 2025-07-11 13:56:28.272 INFO 23028 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http) 2025-07-11 13:56:28.279 INFO 23028 --- [ restartedMain] o.apache.catalina.core.StandardService : Starting service [Tomcat] 2025-07-11 13:56:28.279 INFO 23028 --- [ restartedMain] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.68] 2025-07-11 13:56:28.331 INFO 23028 --- [ restartedMain] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext 2025-07-11 13:56:28.331 INFO 23028 --- [ restartedMain] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 969 ms 2025-07-11 13:56:28.567 INFO 23028 --- [ restartedMain] o.s.b.a.w.s.WelcomePageHandlerMapping : Adding welcome page: class path resource [static/index.html] 2025-07-11 13:56:28.824 INFO 23028 --- [ restartedMain] o.s.b.d.a.OptionalLiveReloadServer : LiveReload server is running on port 35729 2025-07-11 13:56:28.827 INFO 23028 --- [ restartedMain] o.s.b.a.e.web.EndpointLinksResolver : Exposing 2 endpoint(s) beneath base path '/actuator' 2025-07-11 13:56:28.860 INFO 23028 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8080 (http) with context path '' 2025-07-11 13:56:28.870 INFO 23028 --- [ restartedMain] com.example.demo.DemoApplication : Started DemoApplication in 1.805 seconds (JVM running for 2.254) 2025-07-11 13:56:29.170 INFO 23028 --- [)-192.168.0.102] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Starting... 2025-07-11 13:56:29.219 INFO 23028 --- [)-192.168.0.102] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring DispatcherServlet 'dispatcherServlet' 2025-07-11 13:56:29.219 INFO 23028 --- [)-192.168.0.102] o.s.web.servlet.DispatcherServlet : Initializing Servlet 'dispatcherServlet' 2025-07-11 13:56:29.220 INFO 23028 --- [)-192.168.0.102] o.s.web.servlet.DispatcherServlet : Completed initialization in 1 ms 2025-07-11 13:56:30.310 ERROR 23028 --- [)-192.168.0.102] com.zaxxer.hikari.pool.HikariPool : HikariPool-1 - Exception during pool initialization. java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:129) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:448) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:138) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:364) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:206) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:476) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:561) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.pool.HikariPool.<init>(HikariPool.java:115) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:112) ~[HikariCP-4.0.3.jar:na] at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:159) ~[spring-jdbc-5.3.23.jar:5.3.23] at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:117) ~[spring-jdbc-5.3.23.jar:5.3.23] at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) ~[spring-jdbc-5.3.23.jar:5.3.23] at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:330) ~[spring-jdbc-5.3.23.jar:5.3.23] at org.springframework.boot.actuate.jdbc.DataSourceHealthIndicator.getProduct(DataSourceHealthIndicator.java:122) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.jdbc.DataSourceHealthIndicator.doDataSourceHealthCheck(DataSourceHealthIndicator.java:105) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.jdbc.DataSourceHealthIndicator.doHealthCheck(DataSourceHealthIndicator.java:100) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.health.AbstractHealthIndicator.health(AbstractHealthIndicator.java:82) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.health.HealthIndicator.getHealth(HealthIndicator.java:37) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.health.HealthEndpoint.getHealth(HealthEndpoint.java:94) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.health.HealthEndpoint.getHealth(HealthEndpoint.java:41) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.health.HealthEndpointSupport.getLoggedHealth(HealthEndpointSupport.java:172) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.health.HealthEndpointSupport.getContribution(HealthEndpointSupport.java:145) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.health.HealthEndpointSupport.getAggregateContribution(HealthEndpointSupport.java:156) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.health.HealthEndpointSupport.getContribution(HealthEndpointSupport.java:141) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.health.HealthEndpointSupport.getHealth(HealthEndpointSupport.java:110) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.health.HealthEndpointSupport.getHealth(HealthEndpointSupport.java:81) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.health.HealthEndpoint.health(HealthEndpoint.java:88) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.health.HealthEndpoint.health(HealthEndpoint.java:78) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[na:na] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:569) ~[na:na] at org.springframework.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:282) ~[spring-core-5.3.23.jar:5.3.23] at org.springframework.boot.actuate.endpoint.invoke.reflect.ReflectiveOperationInvoker.invoke(ReflectiveOperationInvoker.java:74) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.endpoint.annotation.AbstractDiscoveredOperation.invoke(AbstractDiscoveredOperation.java:60) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.endpoint.jmx.EndpointMBean.invoke(EndpointMBean.java:122) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.endpoint.jmx.EndpointMBean.invoke(EndpointMBean.java:97) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:814) ~[na:na] at java.management/com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:802) ~[na:na] at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1472) ~[na:na] at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1310) ~[na:na] at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1405) ~[na:na] at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829) ~[na:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[na:na] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:569) ~[na:na] at java.rmi/sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:360) ~[na:na] at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:200) ~[na:na] at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:197) ~[na:na] at java.base/java.security.AccessController.doPrivileged(AccessController.java:712) ~[na:na] at java.rmi/sun.rmi.transport.Transport.serviceCall(Transport.java:196) ~[na:na] at java.rmi/sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:587) ~[na:na] at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:828) ~[na:na] at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:705) ~[na:na] at java.base/java.security.AccessController.doPrivileged(AccessController.java:399) ~[na:na] at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:704) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:840) ~[na:na] 2025-07-11 13:56:30.312 WARN 23028 --- [)-192.168.0.102] o.s.b.a.jdbc.DataSourceHealthIndicator : DataSource health check failed org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:83) ~[spring-jdbc-5.3.23.jar:5.3.23] at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:330) ~[spring-jdbc-5.3.23.jar:5.3.23] at org.springframework.boot.actuate.jdbc.DataSourceHealthIndicator.getProduct(DataSourceHealthIndicator.java:122) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.jdbc.DataSourceHealthIndicator.doDataSourceHealthCheck(DataSourceHealthIndicator.java:105) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.jdbc.DataSourceHealthIndicator.doHealthCheck(DataSourceHealthIndicator.java:100) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.health.AbstractHealthIndicator.health(AbstractHealthIndicator.java:82) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.health.HealthIndicator.getHealth(HealthIndicator.java:37) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.health.HealthEndpoint.getHealth(HealthEndpoint.java:94) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.health.HealthEndpoint.getHealth(HealthEndpoint.java:41) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.health.HealthEndpointSupport.getLoggedHealth(HealthEndpointSupport.java:172) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.health.HealthEndpointSupport.getContribution(HealthEndpointSupport.java:145) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.health.HealthEndpointSupport.getAggregateContribution(HealthEndpointSupport.java:156) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.health.HealthEndpointSupport.getContribution(HealthEndpointSupport.java:141) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.health.HealthEndpointSupport.getHealth(HealthEndpointSupport.java:110) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.health.HealthEndpointSupport.getHealth(HealthEndpointSupport.java:81) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.health.HealthEndpoint.health(HealthEndpoint.java:88) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.health.HealthEndpoint.health(HealthEndpoint.java:78) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[na:na] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:569) ~[na:na] at org.springframework.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:282) ~[spring-core-5.3.23.jar:5.3.23] at org.springframework.boot.actuate.endpoint.invoke.reflect.ReflectiveOperationInvoker.invoke(ReflectiveOperationInvoker.java:74) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.endpoint.annotation.AbstractDiscoveredOperation.invoke(AbstractDiscoveredOperation.java:60) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.endpoint.jmx.EndpointMBean.invoke(EndpointMBean.java:122) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at org.springframework.boot.actuate.endpoint.jmx.EndpointMBean.invoke(EndpointMBean.java:97) ~[spring-boot-actuator-2.6.13.jar:2.6.13] at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:814) ~[na:na] at java.management/com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:802) ~[na:na] at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1472) ~[na:na] at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1310) ~[na:na] at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1405) ~[na:na] at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829) ~[na:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[na:na] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:569) ~[na:na] at java.rmi/sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:360) ~[na:na] at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:200) ~[na:na] at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:197) ~[na:na] at java.base/java.security.AccessController.doPrivileged(AccessController.java:712) ~[na:na] at java.rmi/sun.rmi.transport.Transport.serviceCall(Transport.java:196) ~[na:na] at java.rmi/sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:587) ~[na:na] at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:828) ~[na:na] at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:705) ~[na:na] at java.base/java.security.AccessController.doPrivileged(AccessController.java:399) ~[na:na] at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:704) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:840) ~[na:na] Caused by: java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:129) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:448) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-j-8.0.31.jar:8.0.31] at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:138) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:364) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:206) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:476) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:561) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.pool.HikariPool.<init>(HikariPool.java:115) ~[HikariCP-4.0.3.jar:na] at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:112) ~[HikariCP-4.0.3.jar:na] at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:159) ~[spring-jdbc-5.3.23.jar:5.3.23] at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:117) ~[spring-jdbc-5.3.23.jar:5.3.23] at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80) ~[spring-jdbc-5.3.23.jar:5.3.23] ... 48 common frames omitted 使用navict可以访问数据库，但是idea启动服务报错，数据库密码没问题也请给出建议
07-12
- `The server time zone value 'xxx' is unrecognized`：添加`serverTimezone=UTC`（或你所在的时区，如Asia/Shanghai）。 - `SSL connection error`：如果不需要SSL，设置`useSSL=false`。 如果以上步骤都不能...
Exception in thread “main“ java.sql.SQLException: The server time zone value ‘Öйú±ê׼ʱ¼ä‘
qq_45954145的博客
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刚学jdbc遇到的问题 Exception in thread "main" java.sql.SQLException: The server time zone value 'Öйú±ê׼ʱ¼ä' is unrecognized or represents more than one time zone. You must configure either the server or JDBC driver (via the serverTimezone configuration prop.
error——Exception in thread “main“ java.sql.SQLException: The server time zone value ‘�й���׼ʱ��‘ is u
给你糖ya的博客
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注：由于我在网上搜了很久，并没有我这种情况的解决方法，所以我这种解决方法可能有点投机取巧，大概率帮不上忙。如果你已经尝试过；；；等方法，还是不能解决问题，那可以看一下本文。
Exception in thread “main“ java.sql.SQLException: The server time zone value ‘�й���׼ʱ��‘ is unrecogn
weixin_45772795的博客
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在java练习JDBC时，连接数据库发现 Exception in thread "main" 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 p
Exception in thread "main" java.sql.SQLException: The server time zone value 'Öйú±ê׼ʱ¼ä' is unrec
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Exception in thread "main" java.sql.SQLException: The server time zone value 'Öйú±ê׼ʱ¼ä' 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
Exception in thread "main" java.sql.SQLException: The server time zone value 时区错误
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时区错误 只需要在访问数据库的Url后面加上以下的语句即可： ?serverTimezone=GMT%2B8 或者加上 &serverTimezone=UTC
【jdbc】【idea】【mysql】Exception in thread “main“ java.sql.SQLException: The server time zone value ‘Öй
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Exception in thread "main" java.sql.SQLException: The server time zone value 'Öйú±ê׼ʱ¼ä' 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
【JavaDebug（一）】Exception in thread “main“ java.sql.SQLException: The server time zone value
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本文章由公号【开发小鸽】发布！欢迎关注！！！ 老规矩–妹妹镇楼： 一. 错误概况 package JDBC; import java.io.IOException; import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; public class test { public static void main(String[] args) throws IOExcept
Exception in thread “main“ java.sql.SQLException: The server time zone value ‘Öйú±ê׼ʱ¼ä‘ is unrec
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在编程路上遇到的问题 记录下 Exception in thread "main" java.sql.SQLException: The server time zone value 'Öйú±ê׼ʱ¼ä' is unrecognized or represents more than one time zone. You must configure either the server or JDBC driver (via the serverTimezone configuration prop
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springboot 整合mybatis 时候报错 配置 datasource: username: root password: root driver-class-name: com.mysql.cj.jdbc.Driver url: jdbc:mysql://127.0.0.1:3306/blog?useSSL=false&requireSSL=false&characterEncoding=UTF-8&serverTimezone=Asia/S
java.sql.sqlexception: the server time zone value
06-28
### 回答1： 是MySQL数据库的一个错误，它表示服务器的时区值未设置或不正确。可以通过在连接字符串中添加时区参数来解决此问题，例如：jdbc:mysql://localhost:3306/mydatabase?serverTimezone=UTC。也可以在MySQL配置文件中设置默认时区值。 ### 回答2： 这个错误是由于MySQL数据库时区与JDBC连接器的时区不匹配导致的。具体地说，当JDBC连接器向MySQL发送查询时，MySQL会使用其默认的服务器时间区对日期进行解析。但是，如果JDBC连接器的时区不同，则可能会导致解析错误。 解决这个错误的方法之一是在JDBC连接器URL中明确设置时区。例如，您可以使用以下代码： ``` String url = "jdbc:mysql://localhost:3306/mydatabase?useUnicode=true&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=UTC"; Connection conn = DriverManager.getConnection(url, "username", "password"); ``` 这里，在JDBC连接器URL中增加了`serverTimezone=UTC`参数，它设置了JDBC连接器的时区与MySQL服务器时区一致。您还可以将其设置为其他时区，例如： ``` serverTimezone=America/Los_Angeles serverTimezone=Asia/Tokyo ``` 另一个解决方法是在MySQL服务器上设置时区。您可以使用以下SQL语句来设置它： ``` SET @@global.time_zone = '+8:00'; ``` 这里将时区设置为东八区，也可以根据您的需要设置其他时区。 总之，解决这个错误的方法是确保JDBC连接器和MySQL服务器的时区保持一致。您可以在JDBC连接器URL中设置时区，也可以在MySQL服务器上设置时区。 ### 回答3： java.sql.sqlexception: the server time zone value错误通常在使用JDBC连接MySQL时出现。这个错误的意思是MySQL数据库的时区设置与JDBC的时区设置不匹配。 MySQL数据库中有一个时区系统变量，这个变量默认是SYSTEM，表示使用操作系统的时区设置。而在某些情况下，可能需要改变时区设置，比如，当应用程序运行在不同的时区时，需要将数据库时区设置为应用程序所在时区。 当JDBC连接MySQL时，会通过JDBC驱动程序向MySQL发送SET time_zone语句来设置时区。如果JDBC驱动程序无法识别MySQL的时区设置，就会抛出java.sql.sqlexception: the server time zone value错误。 解决这个问题的方法是修改连接字符串，添加serverTimezone参数，并指定MySQL的时区设置，例如： jdbc:mysql://localhost:3306/mydatabase?serverTimezone=Asia/Shanghai 这里指定了MySQL的时区设置为Asia/Shanghai。如果不清楚MySQL的时区设置，可以在数据库管理系统中执行以下语句来获取： SELECT @@global.time_zone; 或 SELECT @@system_time_zone; 这样就可以解决java.sql.sqlexception: the server time zone value错误了。
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