15:35:48.674 [main] ERROR c.a.d.p.DruidDataSource - [init,928] - init datasource error, url: jdbc:mysql://dev.mysql:3306/three-groups?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8
com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
	at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174)
	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64)
	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:815)
	at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:438)
	at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241)
	at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:132)
	at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:764)
	at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:33)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126)
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1687)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1803)
	at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:924)
	at com.baomidou.dynamic.datasource.creator.druid.DruidDataSourceCreator.createDataSource(DruidDataSourceCreator.java:137)
	at com.baomidou.dynamic.datasource.creator.DefaultDataSourceCreator.createDataSource(DefaultDataSourceCreator.java:97)
	at com.baomidou.dynamic.datasource.provider.AbstractDataSourceProvider.createDataSourceMap(AbstractDataSourceProvider.java:53)
	at com.baomidou.dynamic.datasource.provider.YmlDynamicDataSourceProvider.loadDataSources(YmlDynamicDataSourceProvider.java:53)
	at com.baomidou.dynamic.datasource.DynamicRoutingDataSource.afterPropertiesSet(DynamicRoutingDataSource.java:229)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1835)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1784)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:600)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:522)
	at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:337)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:335)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:975)
	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:962)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:624)
	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:146)
	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:754)
	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:456)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:335)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1363)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1352)
	at com.muyu.cloud.port.MuYuMartApplication.main(MuYuMartApplication.java:19)
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
	at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88)
	at com.mysql.cj.NativeSession.connect(NativeSession.java:120)
	at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935)
	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805)
	... 35 common frames omitted
Caused by: java.net.UnknownHostException: 不知道这样的主机。 (dev.mysql)
	at java.base/java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
	at java.base/java.net.InetAddress$PlatformNameService.lookupAllHostAddr(InetAddress.java:933)
	at java.base/java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1543)
	at java.base/java.net.InetAddress$NameServiceAddresses.get(InetAddress.java:852)
	at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532)
	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384)
	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305)
	at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:130)
	at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62)
	... 38 common frames omitted
15:35:48.679 [main] ERROR c.a.d.p.DruidDataSource - [init,977] - {dataSource-1} init error
com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
	at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174)
	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64)
	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:815)
	at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:438)
	at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241)
	at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:132)
	at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:764)
	at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:33)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126)
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1687)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1803)
	at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:924)
	at com.baomidou.dynamic.datasource.creator.druid.DruidDataSourceCreator.createDataSource(DruidDataSourceCreator.java:137)
	at com.baomidou.dynamic.datasource.creator.DefaultDataSourceCreator.createDataSource(DefaultDataSourceCreator.java:97)
	at com.baomidou.dynamic.datasource.provider.AbstractDataSourceProvider.createDataSourceMap(AbstractDataSourceProvider.java:53)
	at com.baomidou.dynamic.datasource.provider.YmlDynamicDataSourceProvider.loadDataSources(YmlDynamicDataSourceProvider.java:53)
	at com.baomidou.dynamic.datasource.DynamicRoutingDataSource.afterPropertiesSet(DynamicRoutingDataSource.java:229)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1835)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1784)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:600)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:522)
	at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:337)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:335)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:975)
	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:962)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:624)
	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:146)
	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:754)
	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:456)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:335)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1363)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1352)
	at com.muyu.cloud.port.MuYuMartApplication.main(MuYuMartApplication.java:19)
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
	at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88)
	at com.mysql.cj.NativeSession.connect(NativeSession.java:120)
	at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935)
	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805)
	... 35 common frames omitted
Caused by: java.net.UnknownHostException: 不知道这样的主机。 (dev.mysql)
	at java.base/java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
	at java.base/java.net.InetAddress$PlatformNameService.lookupAllHostAddr(InetAddress.java:933)
	at java.base/java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1543)
	at java.base/java.net.InetAddress$NameServiceAddresses.get(InetAddress.java:852)
	at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532)
	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384)
	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305)
	at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:130)
	at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62)
	... 38 common frames omitted
15:35:48.681 [Druid-ConnectionPool-Create-2093333949] ERROR c.a.d.p.DruidDataSource - [run,2916] - create connection SQLException, url: jdbc:mysql://dev.mysql:3306/three-groups?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01
com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
	at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174)
	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64)
	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:815)
	at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:438)
	at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241)
	at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:132)
	at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:764)
	at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:33)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126)
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1687)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1803)
	at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2914)
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
	at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88)
	at com.mysql.cj.NativeSession.connect(NativeSession.java:120)
	at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935)
	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805)
	... 12 common frames omitted
Caused by: java.net.UnknownHostException: dev.mysql
	at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801)
	at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532)
	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384)
	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305)
	at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:130)
	at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62)
	... 15 common frames omitted
15:35:48.683 [Druid-ConnectionPool-Create-2093333949] ERROR c.a.d.p.DruidDataSource - [run,2916] - create connection SQLException, url: jdbc:mysql://dev.mysql:3306/three-groups?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8, errorCode 0, state 08S01
com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
	at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174)
	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64)
	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:815)
	at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:438)
	at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241)
	at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:132)
	at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:764)
	at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:33)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126)
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1687)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1803)
	at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2914)
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
	at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88)
	at com.mysql.cj.NativeSession.connect(NativeSession.java:120)
	at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935)
	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805)
	... 12 common frames omitted
Caused by: java.net.UnknownHostException: dev.mysql
	at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801)
	at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532)
	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384)
	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305)
	at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:130)
	at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62)
	... 15 common frames omitted
15:35:48.720 [main] ERROR o.s.b.SpringApplication - [reportFailure,859] - Application run failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [com/baomidou/dynamic/datasource/spring/boot/autoconfigure/DynamicDataSourceAutoConfiguration.class]: druid create error
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1788)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:600)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:522)
	at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:337)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:335)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:975)
	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:962)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:624)
	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:146)
	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:754)
	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:456)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:335)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1363)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1352)
	at com.muyu.cloud.port.MuYuMartApplication.main(MuYuMartApplication.java:19)
Caused by: com.baomidou.dynamic.datasource.exception.ErrorCreateDataSourceException: druid create error
	at com.baomidou.dynamic.datasource.creator.druid.DruidDataSourceCreator.createDataSource(DruidDataSourceCreator.java:139)
	at com.baomidou.dynamic.datasource.creator.DefaultDataSourceCreator.createDataSource(DefaultDataSourceCreator.java:97)
	at com.baomidou.dynamic.datasource.provider.AbstractDataSourceProvider.createDataSourceMap(AbstractDataSourceProvider.java:53)
	at com.baomidou.dynamic.datasource.provider.YmlDynamicDataSourceProvider.loadDataSources(YmlDynamicDataSourceProvider.java:53)
	at com.baomidou.dynamic.datasource.DynamicRoutingDataSource.afterPropertiesSet(DynamicRoutingDataSource.java:229)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1835)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1784)
	... 16 common frames omitted
Caused by: com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
	at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174)
	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64)
	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:815)
	at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:438)
	at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241)
	at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:132)
	at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:764)
	at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:33)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126)
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:244)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:126)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1687)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1803)
	at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:924)
	at com.baomidou.dynamic.datasource.creator.druid.DruidDataSourceCreator.createDataSource(DruidDataSourceCreator.java:137)
	... 22 common frames omitted
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
	at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88)
	at com.mysql.cj.NativeSession.connect(NativeSession.java:120)
	at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:935)
	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:805)
	... 35 common frames omitted
Caused by: java.net.UnknownHostException: 不知道这样的主机。 (dev.mysql)
	at java.base/java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
	at java.base/java.net.InetAddress$PlatformNameService.lookupAllHostAddr(InetAddress.java:933)
	at java.base/java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1543)
	at java.base/java.net.InetAddress$NameServiceAddresses.get(InetAddress.java:852)
	at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532)
	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384)
	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305)
	at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:130)
	at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62)
	... 38 common frames omitted
