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第一次用myEclipse,第一次用SSH，对工程配置之后运行，在console看到如下信息：信息: Initializing Spring root WebApplicationContext log4j:WARN No appenders could be found for logger (org.springframework.web.context.ContextLoader). log4j:WARN Please initialize the log4j system properly. log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info. 五月 31, 2014 12:46:21 下午 org.apache.catalina.core.StandardContext listenerStart 严重: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'transactionManager' defined in class path resource [applicationContext.xml]: Invocation of init method failed; nested exception is org.hibernate.service.UnknownUnwrapTypeException: Cannot unwrap to requested type [javax.sql.DataSource] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1455) 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$1.getObject(AbstractBeanFactory.java:294) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:225) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:291) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:585) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:913) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:464) at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:385) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:284) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:111) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4779) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5273) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:895) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:871) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:615) at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1095) at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1617) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:744) Caused by: org.hibernate.service.UnknownUnwrapTypeException: Cannot unwrap to requested type [javax.sql.DataSource] at org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl.unwrap(DriverManagerConnectionProviderImpl.java:91) at org.springframework.orm.hibernate4.SessionFactoryUtils.getDataSource(SessionFactoryUtils.java:101) at org.springframework.orm.hibernate4.HibernateTransactionManager.afterPropertiesSet(HibernateTransactionManager.java:264) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1514) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1452) ... 25 more 五月 31, 2014 12:46:21 下午 org.apache.catalina.core.StandardContext startInternal 严重: Error listenerStart 五月 31, 2014 12:46:21 下午 org.apache.catalina.core.StandardContext startInternal 严重: Context [/my] startup failed due to previous errors 五月 31, 2014 12:46:21 下午 org.apache.catalina.core.ApplicationContext log 信息: Closing Spring root WebApplicationContext 五月 31, 2014 12:46:21 下午 org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc 严重: The web application [/my] registered the JDBC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered. 五月 31, 2014 12:46:21 下午 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads 严重: The web application [/my] appears to have started a thread named [Abandoned connection cleanup thread] but has failed to stop it. This is very likely to create a memory leak. 五月 31, 2014 12:46:21 下午 org.apache.catalina.startup.HostConfig deployDirectory 信息: Deploying web application directory C:\Program Files\Apache Software Foundation\Tomcat 7.0\webapps\ROOT 五月 31, 2014 12:46:21 下午 org.apache.catalina.startup.HostConfig deployDirectory 信息: Deploying web application directory C:\Program Files\Apache Software Foundation\Tomcat 7.0\webapps\te 五月 31, 2014 12:46:21 下午 org.apache.coyote.AbstractProtocol start 信息: Starting ProtocolHandler ["http-bio-8080"] 五月 31, 2014 12:46:21 下午 org.apache.coyote.AbstractProtocol start 信息: Starting ProtocolHandler ["ajp-bio-8009"] 五月 31, 2014 12:46:21 下午 org.apache.catalina.startup.Catalina start 信息: Server startup in 13298 ms 表示看不太懂！！！

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