Exception in Struts2

[Navin Pillu]

Hi All

I'm tyring to integrate Struts2 and Spring. When i try to run the example I'm getting following error

    
SEVERE: Exception starting filter struts2
Unable to load bean: type:com.opensymphony.xwork2.ObjectFactory class:org.apache.struts2.spring.StrutsSpringObjectFactory - bean - jar:file:/D:/AllWorkspaces/TestWS/.metadata/.plugins/org.eclipse.wst.server.core/tmp1/wtpwebapps/Struts2Spring/WEB-INF/lib/struts2-spring-plugin-2.0.14.jar!/struts-plugin.xml:30:132
	at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:208)
	at org.apache.struts2.config.StrutsXmlConfigurationProvider.register(StrutsXmlConfigurationProvider.java:101)
	at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reload(DefaultConfiguration.java:131)
	at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:52)
	at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:395)
	at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:452)
	at org.apache.struts2.dispatcher.FilterDispatcher.init(FilterDispatcher.java:205)
	at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:225)
	at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:308)
	at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:79)
	at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:3598)
	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4168)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1012)
	at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1012)
	at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)
	at org.apache.catalina.core.StandardService.start(StandardService.java:450)
	at org.apache.catalina.core.StandardServer.start(StandardServer.java:700)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:551)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:275)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
Caused by: Bean type class com.opensymphony.xwork2.ObjectFactory with the name spring has already been loaded by bean - jar:file:/D:/AllWorkspaces/TestWS/.metadata/.plugins/org.eclipse.wst.server.core/tmp1/wtpwebapps/Struts2Spring/WEB-INF/lib/struts2-spring-plugin-2.0.11.2.jar!/struts-plugin.xml:30:132 - bean - jar:file:/D:/AllWorkspaces/TestWS/.metadata/.plugins/org.eclipse.wst.server.core/tmp1/wtpwebapps/Struts2Spring/WEB-INF/lib/struts2-spring-plugin-2.0.14.jar!/struts-plugin.xml:30:132
	at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:193)
	... 24 more
Nov 30, 2009 11:08:08 AM org.apache.catalina.core.StandardContext start
SEVERE: Error filterStart

I've following jars in classpath
1. freemarker-2.3.8.jar
2. j2ee-1.4.jar
3. ognl-2.6.11.jar
4. spring-2.0-rc3.jar
5. struts2-spring-plugin-2.0.14.jar
6. xwork-2.0.7.jar
7. webwork-2.1.7.jar

struts.xml

    
<struts>
    <constant name="struts.objectFactory" value="spring" />
    <constant name="struts.devMode" value="false" />

    <package name="example" namespace="/example" extends="struts-default">

        <action name="HelloWorld" class="HelloWorld">
            <result>/example/HelloWorld.jsp</result>
        </action>

        <!-- Add actions here -->
    </package>
</struts>

applicationContext.xml

    
<beans>

	<!-- Actions Classes -->
	<bean id="HelloWorld" class="example.HelloWorld">
	</bean>

Has anybody have any idea about this error?

Thanks
Navin

[Navin Pillu]

Hi All

Seems that there are 2 struts2-spring-plugin...jar files in classpath. I'll check removing one of that

Thanks
Navin