Cannot create PoolableConnectionFactory (Io 异常: The Network Adapter could not es

项目启动时，出现如下异常：

信息: Building new Hibernate SessionFactory
609 [main] INFO org.hibernate.connection.ConnectionProviderFactory - Initializing connection provider: org.springframework.orm.hibernate3.LocalDataSourceConnectionProvider
AbandonedObjectPool is used (org.apache.commons.dbcp.AbandonedObjectPool@4a19e2)
   LogAbandoned: false
   RemoveAbandoned: true
   RemoveAbandonedTimeout: 300
21781 [main] WARN org.hibernate.util.JDBCExceptionReporter - SQL Error: 0, SQLState: null
21781 [main] ERROR org.hibernate.util.JDBCExceptionReporter - Cannot create PoolableConnectionFactory (Io 异常: The Network Adapter could not establish the connection)
21781 [main] WARN org.hibernate.cfg.SettingsFactory - Could not obtain connection to query metadata
org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (Io 异常: The Network Adapter could not establish the connection)
	at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1225)
	at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:880)
	at org.springframework.orm.hibernate3.LocalDataSourceConnectionProvider.getConnection(LocalDataSourceConnectionProvider.java:81)
	at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:114)
	at org.hibernate.cfg.Configuration.buildSettingsInternal(Configuration.java:2163)
	at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2159)
	at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1383)
	at org.springframework.orm.hibernate3.LocalSessionFactoryBean.newSessionFactory(LocalSessionFactoryBean.java:855)
	at org.springframework.orm.hibernate3.LocalSessionFactoryBean.buildSessionFactory(LocalSessionFactoryBean.java:774)
	at org.springframework.orm.hibernate3.AbstractSessionFactoryBean.afterPropertiesSet(AbstractSessionFactoryBean.java:211)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1477)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1417)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:291)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:288)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:190)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:563)
	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:895)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:425)
	at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:276)
	at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:197)
	at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47)
	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3934)
	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4429)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:526)
	at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:987)
	at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:909)
	at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:495)
	at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1206)
	at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:314)
	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
	at org.apache.catalina.core.StandardHost.start(StandardHost.java:722)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
	at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
	at org.apache.catalina.core.StandardService.start(StandardService.java:516)
	at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:583)
	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:288)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
Caused by: java.sql.SQLException: Io 异常: The Network Adapter could not establish the connection
	at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112)
	at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:146)
	at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:255)
	at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:387)
	at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:441)
	at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:165)
	at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:35)
	at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:801)
	at org.apache.commons.dbcp.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:38)
	at org.apache.commons.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:294)
	at org.apache.commons.dbcp.BasicDataSource.validateConnectionFactory(BasicDataSource.java:1247)
	at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1221)
	... 47 more

根据分析有点像网络连接报错，但实际问题是其他部门把连接的数据库更换了端口导致