我刚刚在一台使用yo jhipster的新机器上创建了一个项目，在运行npm install，bower install等之后，它提供了许多例外。好像它无法访问mysql数据库，但我还没有对它进行任何更改，所以没有理由它不应该工作，因为它应该是开箱即用的。有人知道这个问题的解决方案吗？
错误：
[DEBUG] io.github.jhipster.loaded.instrument.JHipsterLoadtimeInstrumentationPlugin - Patch - Clear cache org.springframework.core.LocalVariableTableParameterNameDiscoverer
[INFO] com.comcast.castit.Application - Starting Application on HQSWL-C006246 with PID 5872 (C:\CastIT\target\classes started by sparri202 in C:\CastIT)
[DEBUG] com.comcast.castit.Application - Running with Spring Boot v1.1.7.RELEASE, Spring v4.0.7.RELEASE
[DEBUG] io.github.jhipster.loaded.instrument.JHipsterLoadtimeInstrumentationPlugin - Patch - Rewrite org.springframework.aop.framework.AdvisedSupport.getInterceptorsAndDynamicInterceptionAdvice() method
[DEBUG] org.jboss.logging - Logging Provider: org.jboss.logging.Slf4jLoggerProvider
[DEBUG] com.comcast.castit.config.AsyncConfiguration - Creating Async Task Executor
[DEBUG] io.github.jhipster.loaded.instrument.JHipsterLoadtimeInstrumentationPlugin - Patch - Rewrite org.hibernate.jpa.HibernatePersistenceProvider.createContainerEntityManagerFactory() method
[DEBUG] io.github.jhipster.loaded.instrument.JHipsterLoadtimeInstrumentationPlugin - Patch - Rewrite org.springframework.security.access.method.DelegatingMethodSecurityMetadataSource.getAttributes() method
[DEBUG] com.comcast.castit.config.DatabaseConfiguration - Configuring Datasource
[DEBUG] com.comcast.castit.config.DatabaseConfiguration - Configuring Liquibase
[DEBUG] io.github.jhipster.loaded.instrument.JHipsterLoadtimeInstrumentationPlugin - Patch - Rewrite liquibase.ext.hibernate.snapshot.TableSnapshotGenerator.snapshotObject() method
[WARN] org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext - Exception encountered during context initialization - cancelling refresh attempt
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.ryantenney.metrics.spring.config.annotation.DelegatingMetricsConfiguration': BeanPostProcessor before instantiation of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.cache.annotation.ProxyCachingConfiguration': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private java.util.Collection org.springframework.cache.annotation.AbstractCachingConfiguration.cacheManagerBeans; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'cacheConfiguration': Injection of persistence dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'liquibase' defined in class path resource [com/comcast/castit/config/DatabaseConfiguration.class]: Invocation of init method failed; nested exception is liquibase.exception.DatabaseException: java.sql.SQLException: Timeout of 30000ms encountered waiting for connection.
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:471) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:302) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:298) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:370) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1095) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:990) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:504) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:302) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:298) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:198) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.context.support.PostProcessorRegistrationDelegate.registerBeanPostProcessors(PostProcessorRegistrationDelegate.java:232) ~[spring-context-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.registerBeanPostProcessors(AbstractApplicationContext.java:620) ~[spring-context-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:467) ~[spring-context-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:109) [spring-boot-1.1.7.RELEASE.jar:1.1.7.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:691) [spring-boot-1.1.7.RELEASE.jar:1.1.7.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:320) [spring-boot-1.1.7.RELEASE.jar:1.1.7.RELEASE]
at com.comcast.castit.Application.main(Application.java:59) [classes/:na]
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.cache.annotation.ProxyCachingConfiguration': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private java.util.Collection org.springframework.cache.annotation.AbstractCachingConfiguration.cacheManagerBeans; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'cacheConfiguration': Injection of persistence dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'liquibase' defined in class path resource [com/comcast/castit/config/DatabaseConfiguration.class]: Invocation of init method failed; nested exception is liquibase.exception.DatabaseException: java.sql.SQLException: Timeout of 30000ms encountered waiting for connection.
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:293) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1186) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:537) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:302) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:298) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:370) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1095) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:990) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:504) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:302) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:298) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.aop.framework.autoproxy.AbstractAdvisorAutoProxyCreator.findCandidateAdvisors(AbstractAdvisorAutoProxyCreator.java:101) ~[spring-aop-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.aop.aspectj.annotation.AnnotationAwareAspectJAutoProxyCreator.findCandidateAdvisors(AnnotationAwareAspectJAutoProxyCreator.java:85) ~[spring-aop-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.aop.aspectj.autoproxy.AspectJAwareAdvisorAutoProxyCreator.shouldSkip(AspectJAwareAdvisorAutoProxyCreator.java:103) ~[spring-aop-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.postProcessBeforeInstantiation(AbstractAutoProxyCreator.java:289) ~[spring-aop-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInstantiation(AbstractAutowireCapableBeanFactory.java:959) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.resolveBeforeInstantiation(AbstractAutowireCapableBeanFactory.java:931) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:465) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
... 20 common frames omitted
Caused by: org.springframework.beans.factory.BeanCreationException: Could not autowire field: private java.util.Collection org.springframework.cache.annotation.AbstractCachingConfiguration.cacheManagerBeans; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'cacheConfiguration': Injection of persistence dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'liquibase' defined in class path resource [com/comcast/castit/config/DatabaseConfiguration.class]: Invocation of init method failed; nested exception is liquibase.exception.DatabaseException: java.sql.SQLException: Timeout of 30000ms encountered waiting for connection.
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:509) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:87) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:290) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
... 44 common frames omitted
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'cacheConfiguration': Injection of persistence dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'liquibase' defined in class path resource [com/comcast/castit/config/DatabaseConfiguration.class]: Invocation of init method failed; nested exception is liquibase.exception.DatabaseException: java.sql.SQLException: Timeout of 30000ms encountered waiting for connection.
at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor.postProcessPropertyValues(PersistenceAnnotationBeanPostProcessor.java:356) ~[spring-orm-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1186) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:537) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:302) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:298) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:370) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1095) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:990) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:504) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:302) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:298) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1021) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:916) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:862) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:481) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
... 46 common frames omitted
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'liquibase' defined in class path resource [com/comcast/castit/config/DatabaseConfiguration.class]: Invocation of init method failed; nested exception is liquibase.exception.DatabaseException: java.sql.SQLException: Timeout of 30000ms encountered waiting for connection.
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1554) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:302) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:298) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:292) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor.findDefaultEntityManagerFactory(PersistenceAnnotationBeanPostProcessor.java:549) ~[spring-orm-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor.findEntityManagerFactory(PersistenceAnnotationBeanPostProcessor.java:515) ~[spring-orm-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor$PersistenceElement.resolveEntityManager(PersistenceAnnotationBeanPostProcessor.java:682) ~[spring-orm-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor$PersistenceElement.getResourceToInject(PersistenceAnnotationBeanPostProcessor.java:655) ~[spring-orm-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.annotation.InjectionMetadata$InjectedElement.inject(InjectionMetadata.java:155) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:87) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor.postProcessPropertyValues(PersistenceAnnotationBeanPostProcessor.java:353) ~[spring-orm-4.0.7.RELEASE.jar:4.0.7.RELEASE]
... 66 common frames omitted
Caused by: liquibase.exception.DatabaseException: java.sql.SQLException: Timeout of 30000ms encountered waiting for connection.
at liquibase.integration.spring.SpringLiquibase.afterPropertiesSet(SpringLiquibase.java:301) ~[liquibase-core-3.1.1.jar:na]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1613) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1550) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
... 81 common frames omitted
Caused by: java.sql.SQLException: Timeout of 30000ms encountered waiting for connection.
at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:192) ~[HikariCP-1.4.0.jar:na]
at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:91) ~[HikariCP-1.4.0.jar:na]
at liquibase.integration.spring.SpringLiquibase.afterPropertiesSet(SpringLiquibase.java:296) ~[liquibase-core-3.1.1.jar:na]
... 83 common frames omitted
Caused by: 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.GeneratedConstructorAccessor32.newInstance(Unknown Source) ~[na:na]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) ~[na:1.7.0_60]
at java.lang.reflect.Constructor.newInstance(Unknown Source) ~[na:1.7.0_60]
at org.springsource.loaded.ri.ReflectiveInterceptor.jlrConstructorNewInstance(ReflectiveInterceptor.java:1002) ~[springloaded-1.2.0.RELEASE.jar:1.2.0.RELEASE]
at com.mysql.jdbc.Util.handleNewInstance(Util.java:408) ~[mysql-connector-java-5.1.32.jar:na]
at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1137) ~[mysql-connector-java-5.1.32.jar:na]
at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:355) ~[mysql-connector-java-5.1.32.jar:na]
at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2490) ~[mysql-connector-java-5.1.32.jar:na]
at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2527) ~[mysql-connector-java-5.1.32.jar:na]
at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2309) ~[mysql-connector-java-5.1.32.jar:na]
at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834) ~[mysql-connector-java-5.1.32.jar:na]
at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46) ~[mysql-connector-java-5.1.32.jar:na]
at sun.reflect.GeneratedConstructorAccessor28.newInstance(Unknown Source) ~[na:na]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) ~[na:1.7.0_60]
at java.lang.reflect.Constructor.newInstance(Unknown Source) ~[na:1.7.0_60]
at org.springsource.loaded.ri.ReflectiveInterceptor.jlrConstructorNewInstance(ReflectiveInterceptor.java:1002) ~[springloaded-1.2.0.RELEASE.jar:1.2.0.RELEASE]
at com.mysql.jdbc.Util.handleNewInstance(Util.java:408) ~[mysql-connector-java-5.1.32.jar:na]
at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:419) ~[mysql-connector-java-5.1.32.jar:na]
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:344) ~[mysql-connector-java-5.1.32.jar:na]
at com.mysql.jdbc.jdbc2.optional.MysqlDataSource.getConnection(MysqlDataSource.java:441) ~[mysql-connector-java-5.1.32.jar:na]
at com.mysql.jdbc.jdbc2.optional.MysqlDataSource.getConnection(MysqlDataSource.java:139) ~[mysql-connector-java-5.1.32.jar:na]
at com.mysql.jdbc.jdbc2.optional.MysqlDataSource.getConnection(MysqlDataSource.java:109) ~[mysql-connector-java-5.1.32.jar:na]
at com.zaxxer.hikari.pool.HikariPool.addConnection(HikariPool.java:378) ~[HikariCP-1.4.0.jar:na]
at com.zaxxer.hikari.pool.HikariPool.access$400(HikariPool.java:61) ~[HikariCP-1.4.0.jar:na]
at com.zaxxer.hikari.pool.HikariPool$1AddConnection.run(HikariPool.java:302) ~[HikariCP-1.4.0.jar:na]
...
Caused by: java.net.ConnectException: Connection refused: connect
...
at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:258) ~[mysql-connector-java-5.1.32.jar:na]
at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:305) ~[mysql-connector-java-5.1.32.jar:na]
... 23 common frames omitted
[ERROR] org.springframework.boot.SpringApplication - Application startup failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.ryantenney.metrics.spring.config.annotation.DelegatingMetricsConfiguration': BeanPostProcessor before instantiation of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.cache.annotation.ProxyCachingConfiguration': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private java.util.Collection org.springframework.cache.annotation.AbstractCachingConfiguration.cacheManagerBeans; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'cacheConfiguration': Injection of persistence dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'liquibase' defined in class path resource [com/comcast/castit/config/DatabaseConfiguration.class]: Invocation of init method failed; nested exception is liquibase.exception.DatabaseException: java.sql.SQLException: Timeout of 30000ms encountered waiting for connection.
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:471) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:302) ~[spring-beans-4.0.7.RELEASE.jar:4.0.7.RELEASE]...
还有更多，但我的人物数量有限。相关代码：（application-dev.yml）
server:
port: 8080
spring:
profiles: dev
datasource:
dataSourceClassName: com.mysql.jdbc.jdbc2.optional.MysqlDataSource
url: jdbc:mysql://localhost:3306/CastIT
databaseName:
serverName:
username: root
password:
cachePrepStmts: true
prepStmtCacheSize: 250
prepStmtCacheSqlLimit: 2048
useServerPrepStmts: true
jpa:
database-platform: org.hibernate.dialect.MySQLInnoDBDialect
database: MYSQL
openInView: false
show_sql: true
generate-ddl: false
hibernate:
ddl-auto: none
naming-strategy: org.hibernate.cfg.EJB3NamingStrategy
properties:
hibernate.cache.use_second_level_cache: true
hibernate.cache.use_query_cache: false
hibernate.generate_statistics: true
hibernate.cache.region.factory_class: org.hibernate.cache.ehcache.SingletonEhCacheRegionFactory
mail:
baseUrl: http://localhost:8080
thymeleaf:
mode: XHTML
cache: false
viewNames: error
metrics:
jmx.enabled: true
graphite:
enabled: false
host: localhost
port: 2003
cache:
timeToLiveSeconds: 3600
ehcache:
maxBytesLocalHeap: 16M
# You can add as many as folders to watch
# You just need to add a dash + the directory to watch
hotReload:
enabled: true
package:
project: com.comcast.castit
domain: com.comcast.castit.domain
restdto: com.comcast.castit.web.rest.dto
liquibase:
defaultCatalogName: CastIT
defaultSchema: CastIT
excludeTables: T_AUTHORITY,T_PERSISTENT_AUDIT_EVENT,T_PERSISTENT_AUDIT_EVENT_DATA,T_PERSISTENT_TOKEN,T_USER,T_USER_AUTHORITY
watchdir:
- target/classes
答案 0 :(得分：2)
正如例外所说：
Caused by: java.net.ConnectException: Connection refused: connect
这是因为您的MySQL连接未打开。也许它没有运行。也许YAML文件中的参数不正确：你有一个“CastIT”数据库吗？用户“root”可以访问它而无需密码吗？您可以尝试连接MySQL工作台。
答案 1 :(得分：0)
如果您使用的是MysqlDataSource，则您指定的 url 参数可能会被忽略。 url 通常用于基于驱动程序（驱动程序类）的配置。尝试设置 serverName 和 databaseName 。