tomcai 启动时候报错： Error listenerStart
log：
2013-7-25 2:21:49 org.apache.catalina.core.ApplicationContext log信息: Initializing Spring root WebApplicationContext2013-7-25 2:21:53 org.apache.catalina.core.StandardContext listenerStart严重: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListenerorg.springframework.beans.factory.BeanCreationException: Error creating bean with name 'nonInheritBaseDao': Injection of persistence dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: No persistence unit with name 'cdxt' foundat org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor.postProcessPropertyValues(PersistenceAnnotationBeanPostProcessor.java:341)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1064)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:517)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:872)at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:423)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:4887)at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5381)....