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  • com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception

    Last packet sent to the server was 0 ms ago.
     at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:825)
     at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:518)
     at org.springframework.orm.hibernate3.LocalDataSourceConnectionProvider.getConnection(LocalDataSourceConnectionProvider.java:81)
     at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:423)
     ... 71 more
    Caused by: com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception:

    ** BEGIN NESTED EXCEPTION **

    java.net.SocketException
    MESSAGE: java.net.ConnectException: Connection timed out: connect

    STACKTRACE:

    java.net.SocketException: java.net.ConnectException: Connection timed out: connect
     at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:156)
     at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:276)
     at com.mysql.jdbc.Connection.createNewIO(Connection.java:2666)
     at com.mysql.jdbc.Connection.<init>(Connection.java:1531)
     at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:266)
     at org.apache.commons.dbcp.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:82)
     at org.apache.commons.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:300)
     at org.apache.commons.dbcp.BasicDataSource.validateConnectionFactory(BasicDataSource.java:838)
     at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:821)
     at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:518)
     at org.springframework.orm.hibernate3.LocalDataSourceConnectionProvider.getConnection(LocalDataSourceConnectionProvider.java:81)
     at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:423)
     at org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:144)
     at org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:119)
     at org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:57)
     at org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1326)
     at org.springframework.orm.hibernate3.HibernateTransactionManager.doBegin(HibernateTransactionManager.java:502)
     at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:315)
     at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:234)
     at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:93)
     at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:170)
     at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:647)
     at com.cienet.framework.base.service.impl.BaseServiceImpl$$EnhancerByCGLIB$$6b2c0d51.findAll(<generated>)
     at com.cienet.framework.manage.popedom.reader.RoleReader.loadAllRoles(RoleReader.java:19)
     at com.cienet.framework.popedom.control.PopedomControl.setRoleReader(PopedomControl.java:36)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:597)
     at org.springframework.beans.BeanWrapperImpl.setPropertyValue(BeanWrapperImpl.java:784)
     at org.springframework.beans.BeanWrapperImpl.setPropertyValue(BeanWrapperImpl.java:606)
     at org.springframework.beans.AbstractPropertyAccessor.setPropertyValue(AbstractPropertyAccessor.java:49)
     at org.springframework.beans.AbstractPropertyAccessor.setPropertyValues(AbstractPropertyAccessor.java:74)
     at org.springframework.beans.AbstractPropertyAccessor.setPropertyValues(AbstractPropertyAccessor.java:57)
     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:865)
     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:624)
     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:411)
     at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:242)
     at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:141)
     at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:239)
     at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:155)
     at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:246)
     at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:128)
     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:850)
     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:624)
     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:411)
     at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:242)
     at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:141)
     at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:239)
     at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:155)
     at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:303)
     at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:348)
     at org.springframework.web.context.support.AbstractRefreshableWebApplicationContext.refresh(AbstractRefreshableWebApplicationContext.java:156)
     at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:246)
     at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:184)
     at org.springframework.web.context.ContextLoaderServlet.init(ContextLoaderServlet.java:83)
     at javax.servlet.GenericServlet.init(GenericServlet.java:212)
     at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1206)
     at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1026)
     at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4421)
     at org.apache.catalina.core.StandardContext.start(StandardContext.java:4734)
     at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:799)
     at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:779)
     at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:601)
     at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1079)
     at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:1002)
     at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:506)
     at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1317)
     at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:324)
     at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142)
     at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1065)
     at org.apache.catalina.core.StandardHost.start(StandardHost.java:840)
     at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)
     at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463)
     at org.apache.catalina.core.StandardService.start(StandardService.java:525)
     at org.apache.catalina.core.StandardServer.start(StandardServer.java:754)
     at org.apache.catalina.startup.Catalina.start(Catalina.java:595)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:597)
     at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
     at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)


    ** END NESTED EXCEPTION **

    ping 数据库服务器结果不通,原来是服务器的防火墙没有关

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  • 原文地址:https://www.cnblogs.com/zhuqiang/p/3020992.html
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