tomcat启动报错：

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'defaultAuthenticationSystemSupport': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private org.jasig.cas.authentication.AuthenticationTransactionManager org.jasig.cas.authentication.DefaultAuthenticationSystemSupport.authenticationTransactionManager; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'defaultAuthenticationTransactionManager': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private org.jasig.cas.authentication.AuthenticationManager org.jasig.cas.authentication.DefaultAuthenticationTransactionManager.authenticationManager; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'authenticationManager': Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'authenticationHandlersResolvers': Cannot resolve reference to bean 'primaryAuthenticationHandler' while setting bean property 'sourceMap'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'queryDatabaseAuthenticationHandlerWithSalt': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire method: public void org.jasig.cas.adaptors.jdbc.QueryDatabaseAuthenticationHandlerWithSalt.setDataSource(javax.sql.DataSource); nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in ServletContext resource [/WEB-INF/deployerConfigContext.xml]: Invocation of init method failed; nested exception is java.sql.SQLException: Network error IOException: Connection timed out: connect

at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:334)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1218)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:778)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:839)
Caused by: org.springframework.beans.factory.BeanCreationException: Could not autowire field: private org.jasig.cas.authentication.AuthenticationTransactionManager org.jasig.cas.authentication.DefaultAuthenticationSystemSupport.authenticationTransactionManager; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'defaultAuthenticationTransactionManager': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private org.jasig.cas.authentication.AuthenticationManager org.jasig.cas.authentication.DefaultAuthenticationTransactionManager.authenticationManager; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'authenticationManager': Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'authenticationHandlersResolvers': Cannot resolve reference to bean 'primaryAuthenticationHandler' while setting bean property 'sourceMap'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'queryDatabaseAuthenticationHandlerWithSalt': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire method: public void org.jasig.cas.adaptors.jdbc.QueryDatabaseAuthenticationHandlerWithSalt.setDataSource(javax.sql.DataSource); nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in ServletContext resource [/WEB-INF/deployerConfigContext.xml]: Invocation of init method failed; nested exception is java.sql.SQLException: Network error IOException: Connection timed out: connect

解决方法：1检查配置信息有无异常：如 web.xml配置是否有问题 

            2.检查tomcat的webapp的项目与当前项目是否一致，我的错误是工作空间的项目与此次运行的项目不一致，包括个数和内容

            3.把Tomcat/Catalina 底下的所有历史信息去掉 

            4。查看TOMCAT底下的log日志文件,根据日志找原因