按照官方guide部署canal-admin，启动canal-admin时报错

按照官方guide部署canal-admin，启动canal-admin时报错

2020-12-14 17:22:43.311 [main] INFO com.alibaba.otter.canal.admin.CanalAdminApplication - Starting CanalAdminApplication on localhost with PID 16172 (/tmp/canal-admin/lib/canal-admin-server-1.1.4.jar started by root in /tmp/canal-admin/bin) 2020-12-14 17:22:43.473 [main] INFO com.alibaba.otter.canal.admin.CanalAdminApplication - No active profile set, falling back to default profiles: default 2020-12-14 17:22:43.596 [main] INFO o.s.b.w.s.c.AnnotationConfigServletWebServerApplicationContext - Refreshing org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext@6f03482: startup date [Mon Dec 14 17:22:43 CST 2020]; root of context hierarchy 2020-12-14 17:22:46.607 [main] INFO o.s.boot.web.embedded.tomcat.TomcatWebServer - Tomcat initialized with port(s): 8089 (http) 2020-12-14 17:22:46.653 [main] INFO org.apache.coyote.http11.Http11NioProtocol - Initializing ProtocolHandler ["http-nio-8089"] 2020-12-14 17:22:46.675 [main] INFO org.apache.catalina.core.StandardService - Starting service [Tomcat] 2020-12-14 17:22:46.676 [main] INFO org.apache.catalina.core.StandardEngine - Starting Servlet Engine: Apache Tomcat/8.5.29 2020-12-14 17:22:46.689 [localhost-startStop-1] INFO org.apache.catalina.core.AprLifecycleListener - The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: [/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib] 2020-12-14 17:22:46.856 [localhost-startStop-1] INFO o.a.catalina.core.ContainerBase.[Tomcat].[localhost].[/] - Initializing Spring embedded WebApplicationContext 2020-12-14 17:22:46.856 [localhost-startStop-1] INFO org.springframework.web.context.ContextLoader - Root WebApplicationContext: initialization completed in 3260 ms 2020-12-14 17:22:47.022 [localhost-startStop-1] INFO o.s.boot.web.servlet.ServletRegistrationBean - Servlet dispatcherServlet mapped to [/] 2020-12-14 17:22:47.030 [localhost-startStop-1] INFO o.s.boot.web.servlet.FilterRegistrationBean - Mapping filter: 'characterEncodingFilter' to: [/*] 2020-12-14 17:22:47.030 [localhost-startStop-1] INFO o.s.boot.web.servlet.FilterRegistrationBean - Mapping filter: 'hiddenHttpMethodFilter' to: [/*] 2020-12-14 17:22:47.031 [localhost-startStop-1] INFO o.s.boot.web.servlet.FilterRegistrationBean - Mapping filter: 'httpPutFormContentFilter' to: [/*] 2020-12-14 17:22:47.031 [localhost-startStop-1] INFO o.s.boot.web.servlet.FilterRegistrationBean - Mapping filter: 'requestContextFilter' to: [/*] 2020-12-14 17:22:47.711 [main] INFO io.ebean.EbeanVersion - ebean version: 11.41.1 2020-12-14 17:22:47.727 [main] INFO io.ebean.config.properties.LoadContext - loaded properties from [application.yml] 2020-12-14 17:22:47.781 [main] INFO com.zaxxer.hikari.HikariDataSource - HikariPool-1 - Starting... 2020-12-14 17:22:49.246 [main] ERROR com.zaxxer.hikari.pool.HikariPool - HikariPool-1 - Exception during pool initialization. com.mysql.jdbc.exceptions.jdbc4.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 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.jdbc.Util.handleNewInstance(Util.java:425) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:989) at com.mysql.jdbc.MysqlIO.(MysqlIO.java:341) at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2251) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2284) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2083) at com.mysql.jdbc.ConnectionImpl.(ConnectionImpl.java:806) at com.mysql.jdbc.JDBC4Connection.(JDBC4Connection.java:47) 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.jdbc.Util.handleNewInstance(Util.java:425) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:410) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:328) at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:117) at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:123) at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:365) at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:194) at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:460) at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:534) at com.zaxxer.hikari.pool.HikariPool.(HikariPool.java:115) at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:112) at io.ebeaninternal.server.core.DefaultContainer.checkDataSource(DefaultContainer.java:316) at io.ebeaninternal.server.core.DefaultContainer.createServer(DefaultContainer.java:106) at io.ebeaninternal.server.core.DefaultContainer.createServer(DefaultContainer.java:35) at io.ebean.EbeanServerFactory.createInternal(EbeanServerFactory.java:109) at io.ebean.EbeanServerFactory.create(EbeanServerFactory.java:70) at com.alibaba.otter.canal.admin.config.EbeanConfig.ebeanServer(EbeanConfig.java:38) at com.alibaba.otter.canal.admin.config.EbeanConfig$$EnhancerBySpringCGLIB$$229a3f72.CGLIB$ebeanServer$0() at com.alibaba.otter.canal.admin.config.EbeanConfig$$EnhancerBySpringCGLIB$$229a3f72$$FastClassBySpringCGLIB$$bafa9d81.invoke() at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228) at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:361) at com.alibaba.otter.canal.admin.config.EbeanConfig$$EnhancerBySpringCGLIB$$229a3f72.ebeanServer() 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.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:579) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1250) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1099) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:541) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:501) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:315) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:760) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:869) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:140) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:395) at org.springframework.boot.SpringApplication.run(SpringApplication.java:327) at com.alibaba.otter.canal.admin.CanalAdminApplication.main(CanalAdminApplication.java:19) Caused by: java.net.ConnectException: Connection refused (Connection refused) at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:211) at com.mysql.jdbc.MysqlIO.(MysqlIO.java:300) ... 53 common frames omitted 2020-12-14 17:22:49.249 [main] WARN o.s.b.w.s.c.AnnotationConfigServletWebServerApplicationContext - Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'ebeanServer' defined in class path resource [com/alibaba/otter/canal/admin/config/EbeanConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [io.ebean.EbeanServer]: Factory method 'ebeanServer' threw exception; nested exception is javax.persistence.PersistenceException: com.mysql.jdbc.exceptions.jdbc4.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. 2020-12-14 17:22:49.254 [main] INFO org.apache.catalina.core.StandardService - Stopping service [Tomcat] 2020-12-14 17:22:49.304 [main] INFO o.s.b.a.logging.ConditionEvaluationReportLoggingListener -

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled. 2020-12-14 17:22:49.308 [main] ERROR org.springframework.boot.SpringApplication - Application run failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'ebeanServer' defined in class path resource [com/alibaba/otter/canal/admin/config/EbeanConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [io.ebean.EbeanServer]: Factory method 'ebeanServer' threw exception; nested exception is javax.persistence.PersistenceException: com.mysql.jdbc.exceptions.jdbc4.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 org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:587) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1250) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1099) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:541) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:501) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:315) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:760) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:869) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:140) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:395) at org.springframework.boot.SpringApplication.run(SpringApplication.java:327) at com.alibaba.otter.canal.admin.CanalAdminApplication.main(CanalAdminApplication.java:19) Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [io.ebean.EbeanServer]: Factory method 'ebeanServer' threw exception; nested exception is javax.persistence.PersistenceException: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

怀疑是这个导致的，不知道怎么解决

2020-12-14 17:22:49.249 [main] WARN o.s.b.w.s.c.AnnotationConfigServletWebServerApplicationContext - Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'ebeanServer' defined in class path resource [com/alibaba/otter/canal/admin/config/EbeanConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [io.ebean.EbeanServer]: Factory method 'ebeanServer' threw exception; nested exception is javax.persistence.PersistenceException: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

原提问者GitHub用户cuizhipeng326