struts2+hibernate整合异常 -

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struts2+hibernate整合异常

Hibernate Java Apache Spring Struts

问题

开始做毕设，感觉struts2+hibernate就够用了。今天开始第一步的整合，报错。

错误如下：

11:08:25,066 FATAL StrutsSpringObjectFactory:78 -

********** FATAL ERROR STARTING UP STRUTS-SPRING INTEGRATION **********

Looks like the Spring listener was not configured for your web app!

Nothing will work until WebApplicationContextUtils returns a valid ApplicationContext.

You might need to add the following to web.xml:

<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>

</listener>

11:08:25,083 ERROR Dispatcher:27 - Dispatcher initialization failed

java.lang.NullPointerException

at com.opensymphony.xwork2.spring.SpringObjectFactory.getClassInstance(SpringObjectFactory.java:209)

at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.verifyResultType(XmlConfigurationProvider.java:519)

at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addResultTypes(XmlConfigurationProvider.java:490)

at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addPackage(XmlConfigurationProvider.java:446)

at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadPackages(XmlConfigurationProvider.java:264)

at org.apache.struts2.config.StrutsXmlConfigurationProvider.loadPackages(StrutsXmlConfigurationProvider.java:111)

at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:193)

at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:55)

at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:374)

at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:418)

at org.apache.struts2.dispatcher.FilterDispatcher.init(FilterDispatcher.java:190)

at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:275)

at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:397)

at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:108)

at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3800)

at org.apache.catalina.core.StandardContext.start(StandardContext.java:4450)

at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)

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)

2011-4-25 11:08:25 org.apache.catalina.core.StandardContext filterStart

严重: Exception starting filter struts2

Class: com.opensymphony.xwork2.spring.SpringObjectFactory

File: SpringObjectFactory.java

Method: getClassInstance

Line: 209 - com/opensymphony/xwork2/spring/SpringObjectFactory.java:209:-1

at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:431)