Struts 2 error

Hi gurus,

I initially wanted to migrate a project into Struts 2. However, I ran into a dispatching error. So, in trying to trace what was wrong I eventually went back to a basic basic example at the following link:

Procedure was followed down to the tee, and I still get the following:

Jul 27, 2010 12:41:55 PM org.apache.tomcat.util.digester.SetPropertiesRule begin
WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property ‘source’ to ‘org.eclipse.jst.jee.server:StrutsHelloWorld’ did not find a matching property.
Jul 27, 2010 12:41:55 PM org.apache.catalina.core.AprLifecycleListener init
INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files\Java\jdk1.6.0_18\bin;.;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:/Program Files/Java/jdk1.6.0_18/bin/…/jre/bin/client;C:/Program Files/Java/jdk1.6.0_18/bin/…/jre/bin;“.”;“C:\Program Files\Java\jdk1.6.0_18\bin”
Jul 27, 2010 12:41:56 PM org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on http-80
Jul 27, 2010 12:41:56 PM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 2504 ms
Jul 27, 2010 12:41:56 PM org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
Jul 27, 2010 12:41:56 PM org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.18
Jul 27, 2010 12:41:59 PM com.opensymphony.xwork2.util.logging.commons.CommonsLogger info
INFO: Parsing configuration file [struts-default.xml]
Jul 27, 2010 12:41:59 PM com.opensymphony.xwork2.util.logging.commons.CommonsLogger error
SEVERE: Dispatcher initialization failed
Unable to load configuration. - bean - jar:file:/C:/apache-tomcat-6.0.18/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/StrutsHelloWorld/WEB-INF/lib/struts2-core-2.1.8.1.jar!/struts-default.xml:29:72
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:58)
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:3709)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4363)
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:516)
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(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)
Caused by: Unable to load bean: type: class:com.opensymphony.xwork2.ObjectFactory - bean - jar:file:/C:/apache-tomcat-6.0.18/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/StrutsHelloWorld/WEB-INF/lib/struts2-core-2.1.8.1.jar!/struts-default.xml:29:72
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:221)
at org.apache.struts2.config.StrutsXmlConfigurationProvider.register(StrutsXmlConfigurationProvider.java:101)
at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:169)
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:55)
… 21 more
Caused by: Bean type class com.opensymphony.xwork2.ObjectFactory with the name xwork has already been loaded by bean - jar:file:/C:/apache-tomcat-6.0.18/lib/struts2-core-2.1.8.1.jar!/struts-default.xml:29:72 - bean - jar:file:/C:/apache-tomcat-6.0.18/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/StrutsHelloWorld/WEB-INF/lib/struts2-core-2.1.8.1.jar!/struts-default.xml:29:72
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:205)
… 24 more
Jul 27, 2010 12:41:59 PM org.apache.catalina.core.StandardContext filterStart
SEVERE: Exception starting filter struts2
Unable to load configuration. - bean - jar:file:/C:/apache-tomcat-6.0.18/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/StrutsHelloWorld/WEB-INF/lib/struts2-core-2.1.8.1.jar!/struts-default.xml:29:72
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:431)
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:3709)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4363)
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:516)
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(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)
Caused by: Unable to load configuration. - bean - jar:file:/C:/apache-tomcat-6.0.18/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/StrutsHelloWorld/WEB-INF/lib/struts2-core-2.1.8.1.jar!/struts-default.xml:29:72
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:58)
at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:374)
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:418)
… 19 more
Caused by: Unable to load bean: type: class:com.opensymphony.xwork2.ObjectFactory - bean - jar:file:/C:/apache-tomcat-6.0.18/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/StrutsHelloWorld/WEB-INF/lib/struts2-core-2.1.8.1.jar!/struts-default.xml:29:72
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:221)
at org.apache.struts2.config.StrutsXmlConfigurationProvider.register(StrutsXmlConfigurationProvider.java:101)
at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:169)
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:55)
… 21 more
Caused by: Bean type class com.opensymphony.xwork2.ObjectFactory with the name xwork has already been loaded by bean - jar:file:/C:/apache-tomcat-6.0.18/lib/struts2-core-2.1.8.1.jar!/struts-default.xml:29:72 - bean - jar:file:/C:/apache-tomcat-6.0.18/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/StrutsHelloWorld/WEB-INF/lib/struts2-core-2.1.8.1.jar!/struts-default.xml:29:72
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:205)
… 24 more
Jul 27, 2010 12:41:59 PM org.apache.catalina.core.StandardContext start
SEVERE: Error filterStart
Jul 27, 2010 12:41:59 PM org.apache.catalina.core.StandardContext start
SEVERE: Context [/StrutsHelloWorld] startup failed due to previous errors
Jul 27, 2010 12:42:00 PM org.apache.coyote.http11.Http11Protocol start
INFO: Starting Coyote HTTP/1.1 on http-80
Jul 27, 2010 12:42:01 PM org.apache.jk.common.ChannelSocket init
INFO: JK: ajp13 listening on /0.0.0.0:8009
Jul 27, 2010 12:42:01 PM org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=0/329 config=null
Jul 27, 2010 12:42:01 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 4783 ms

Can anyone tell me what I’m missing? Is it perhaps because I’m using Eclipse Galileo? I have JDK 6.0.18 and Tomcat 6+. Thanks :slight_smile:

Not sure if this link will help or not, but when I read the explanation it made sense why you would be receiving the already loaded exception:
http://www.mail-archive.com/users@appfuse.dev.java.net/msg06818.html

Ah… that was great, thanks! :slight_smile: I did have the struts jars loaded twice. I had them removed, but had to reload Eclipse again in order for it to take effect.