org.hibernat e.DuplicateMappingException

org.springframework.beans.factory.BeanCreationException: Error creating bean wit
h name 'sessionFactory' defined in ServletContext resource [/WEB-INF/application
Context.xml]: Invocation of init method failed; nested exception is org.hibernat
e.DuplicateMappingException: Duplicate class/entity mapping com.sech.zengzhi.bea
n.PageInfor
Caused by:
org.hibernate.DuplicateMappingException: Duplicate class/entity mapping com.sech
.zengzhi.bean.PageInfor
        at org.hibernate.cfg.Mappings.addClass(Mappings.java:118)
        at org.hibernate.cfg.HbmBinder.bindRoot(HbmBinder.java:145)
        at org.hibernate.cfg.Configuration.add(Configuration.java:669)
        at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:504
)
        at org.springframework.orm.hibernate3.LocalSessionFactoryBean.buildSessi
onFactory(LocalSessionFactoryBean.java:655)
        at org.springframework.orm.hibernate3.AbstractSessionFactoryBean.afterPr
opertiesSet(AbstractSessionFactoryBean.java:131)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBean
Factory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1118)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBean
Factory.initializeBean(AbstractAutowireCapableBeanFactory.java:1085)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBean
Factory.createBean(AbstractAutowireCapableBeanFactory.java:429)
        at org.springframework.beans.factory.support.AbstractBeanFactory$1.getOb
ject(AbstractBeanFactory.java:250)
        at org.springframework.beans.factory.support.DefaultSingletonBeanRegistr
y.getSingleton(DefaultSingletonBeanRegistry.java:141)
        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean
(AbstractBeanFactory.java:247)
        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean
(AbstractBeanFactory.java:161)
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.
preInstantiateSingletons(DefaultListableBeanFactory.java:270)
        at org.springframework.context.support.AbstractApplicationContext.refres
h(AbstractApplicationContext.java:346)
        at org.springframework.web.context.support.AbstractRefreshableWebApplica
tionContext.refresh(AbstractRefreshableWebApplicationContext.java:156)
        at org.springframework.web.context.ContextLoader.createWebApplicationCon
text(ContextLoader.java:246)
        at org.springframework.web.context.ContextLoader.initWebApplicationConte
xt(ContextLoader.java:184)
        at org.springframework.web.context.ContextLoaderListener.contextInitiali
zed(ContextLoaderListener.java:49)
        at org.apache.catalina.core.StandardContext.listenerStart(StandardContex
t.java:3843)
        at org.apache.catalina.core.StandardContext.start(StandardContext.java:4
350)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)


        at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
        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:5
16)
        at org.apache.catalina.core.StandardServer.start(StandardServer.java:710
)
        at org.apache.catalina.startup.Catalina.start(Catalina.java:578)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.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)

解决： 
这个问题属于细节的问题，有时候粗心就导致问题产生, 这个Duplicate是属于复制错误，就是说类重复了，model类和.hbm.xml文件肯定不会重复，因为不允许同名，这样的话，有可能是.hbm.xml文件里面出现同名的问题，找了一下，MiniPage.hbm.xml中<class name=“PageInfor”>问题出现在这，应该是<class name="MiniPage">