I want help about this Exception starting filter struts2

Sep 10, 2013 8:35:54 PM org.apache.tomcat.util.digester.SetPropertiesRule begin
WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property ‘source’ to ‘org.eclipse.jst.jee.server:Test’ did not find a matching property.
Sep 10, 2013 8:35:54 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\jre1.6.0\bin;.;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:/Program Files/Java/jre1.6.0/bin/client;C:/Program Files/Java/jre1.6.0/bin;C:/Program Files/Java/jre1.6.0/lib/i386;C:\Program Files\PC Connectivity Solution\;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\Java\jdk1.6.0\bin;C:\Program Files\Common Files\Ahead\Lib\;C:\Program Files\Common Files\Ahead\Lib\;C:\Program Files\Common Files\Ahead\Lib\;C:\Program Files\Common Files\Ahead\Lib\;D:\eclipse;
Sep 10, 2013 8:35:54 PM org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on http-8080
Sep 10, 2013 8:35:54 PM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 592 ms
Sep 10, 2013 8:35:54 PM org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
Sep 10, 2013 8:35:54 PM org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.18
Sep 10, 2013 8:35:54 PM org.apache.catalina.loader.WebappClassLoader validateJarFile
INFO: validateJarFile(D:\workspace\.metadata\.plugins\org.eclipse.wst.server.core\ mp0\wtpwebapps\Test\WEB-INF\lib\servlet-api.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class
Sep 10, 2013 8:35:54 PM com.opensymphony.xwork2.util.logging.commons.CommonsLogger info
INFO: Parsing configuration file [struts-default.xml]
Sep 10, 2013 8:35:54 PM org.apache.catalina.core.StandardContext filterStart
SEVERE: Exception starting filter struts2
Unable to load configuration. - bean
- jar:file:/D:/workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/Test/WEB-INF/lib/struts2-core-2.1.6.jar!/struts-default.xml:51:89
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:58)
at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:360)
at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:403)
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(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:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
Caused by: Unable to load bean: type: class:org.apache.struts2.views.freemarker.FreemarkerManager - bean - jar:file:/D:/workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/Test/WEB-INF/lib/struts2-core-2.1.6.jar!/struts-default.xml:51:89
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:222)
at org.apache.struts2.config.StrutsXmlConfigurationProvider.register(StrutsXmlConfigurationProvider.java:101)
at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:165)
at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:55)
… 21 more
Caused by: java.lang.NoClassDefFoundError: freemarker/template/SimpleHash
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Unknown Source)
at java.lang.Class.getDeclaredConstructors(Unknown Source)
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.register(XmlConfigurationProvider.java:212)
… 24 more
Sep 10, 2013 8:35:54 PM org.apache.catalina.core.StandardContext start
SEVERE: Error filterStart
Sep 10, 2013 8:35:54 PM org.apache.catalina.core.StandardContext start
SEVERE: Context [/Test] startup failed due to previous errors
Sep 10, 2013 8:35:54 PM org.apache.coyote.http11.Http11Protocol start
INFO: Starting Coyote HTTP/1.1 on http-8080
Sep 10, 2013 8:35:54 PM org.apache.jk.common.ChannelSocket init
INFO: JK: ajp13 listening on /0.0.0.0:8009
Sep 10, 2013 8:35:54 PM org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=0/36 config=null
Sep 10, 2013 8:35:54 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 853 ms

AND I USE THIS JARS ALSO
commons-beanutils-1.8.0.jar
commons-collections-3.1.jar
commons-fileupload-1.3.jar
commons-io-1.3.2.jar
commons-logging-1.0.4.jar
ognl-2.6.11.jar
servlet-api.jar
struts2-core-2.1.6.jar
xwork-2.1.2.jar