Problema ao executar action no struts

Estou com um problema em uma aplicação basica em Struts, a função desta aplicação é na tela inicial o usuario inserir o username e password e caso sejam nulos ou igual a 0 sera redirecionado para uma pagina de erro, caso nao sejam ira para uma pagina home, porem ao compilar a tela inicial aparece com o form para inserir o usuario e senha porem ao clicar em ok ocorre o seguite erro:

Um passos que segui que me foi instruido em outros tutoriais foi de nas configuracoes do tomcat marcar a opcao “Use tomcat installation”

Alguem por favor teria alguma ideia do que esta ocorrendo?

16/12/2009 11:37:47 org.apache.tomcat.util.digester.SetPropertiesRule begin
WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:Struts2Example' did not find a matching property.
16/12/2009 11:37:47 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:\Arquivos de programas\Java\jre6\bin;.;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:/Arquivos de programas/Java/jre6/bin/client;C:/Arquivos de programas/Java/jre6/bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\Arquivos de programas\Arquivos comuns\DivX Shared\;C:\Sun\SDK\bin;C:\Arquivos de programas\Arquivos comuns\Ahead\Lib\
16/12/2009 11:37:47 org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on http-8080
16/12/2009 11:37:47 org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 503 ms
16/12/2009 11:37:47 org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
16/12/2009 11:37:47 org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.20
16/12/2009 11:37:48 com.opensymphony.xwork2.config.providers.XmlConfigurationProvider register
INFO: Parsing configuration file [struts-default.xml]
16/12/2009 11:37:48 com.opensymphony.xwork2.config.providers.XmlConfigurationProvider register
INFO: Parsing configuration file [struts-plugin.xml]
16/12/2009 11:37:48 com.opensymphony.xwork2.config.providers.XmlConfigurationProvider register
INFO: Parsing configuration file [struts.xml]
16/12/2009 11:37:48 org.apache.struts2.config.Settings getLocale
WARNING: Settings: Could not parse struts.locale setting, substituting default VM locale
16/12/2009 11:37:48 com.opensymphony.xwork2.util.ObjectTypeDeterminerFactory <clinit>
INFO: Detected GenericsObjectTypeDeterminer, initializing it...
16/12/2009 11:37:48 com.opensymphony.xwork2.util.XWorkConverter getInstance
INFO: Detected AnnotationXWorkConverter, initializing it...
16/12/2009 11:37:50 org.apache.catalina.core.ApplicationContext log
INFO: AuthFilter:Initializing filter
16/12/2009 11:37:51 org.apache.catalina.core.ApplicationContext log
INFO: ContextListener: contextInitialized()
16/12/2009 11:37:51 org.apache.catalina.core.ApplicationContext log
INFO: SessionListener: contextInitialized()
16/12/2009 11:37:51 org.apache.coyote.http11.Http11Protocol start
INFO: Starting Coyote HTTP/1.1 on http-8080
16/12/2009 11:37:51 org.apache.jk.common.ChannelSocket init
INFO: JK: ajp13 listening on /0.0.0.0:8009
16/12/2009 11:37:51 org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=0/63  config=null
16/12/2009 11:37:51 org.apache.catalina.startup.Catalina start
INFO: Server startup in 4191 ms
16/12/2009 11:38:00 com.opensymphony.xwork2.validator.ActionValidatorManagerFactory <clinit>
INFO: Detected AnnotationActionValidatorManager, initializing it...