Struts 1.1 is not working in Websphere 6.1

Currently i am working on migrating the struts application from websphere 5.1 to 6.1


I am facing some errors as show below ,


[3/3/11 15:17:40:816 IST] 00000023 ServletWrappe I SRVE0242I: [application_EAR] [/my_app] [/pages/Mypage.jsp]: Initialization successful.
[3/3/11 15:17:40:846 IST] 00000023 PropertyMessa I org.apache.struts.util.PropertyMessageResources <init> Initializing, config='org.apache.struts.taglib.html.LocalStrings', returnNull=true
[3/3/11 15:17:40:856 IST] 00000023 PropertyMessa I org.apache.struts.util.PropertyMessageResources <init> Initializing, config='org.apache.struts.util.LocalStrings', returnNull=true
[3/3/11 15:17:40:856 IST] 00000023 PropertyMessa I org.apache.struts.util.PropertyMessageResources <init> Initializing, config='org.apache.struts.taglib.html.LocalStrings', returnNull=true
[3/3/11 15:17:40:866 IST] 00000023 ServletWrappe E SRVE0068E: Uncaught exception thrown in one of the service methods of the servlet: /pages/Mypage.jsp. Exception

thrown : javax.servlet.ServletException: org/apache/jasper/runtime/ServletResponseWrapperInclude.<init>(Ljavax/servlet/ServletResponse;Ljavax/servlet/jsp/JspWriter;)V

at org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:660)
at com.ibm._jsp._Mypage._jspService(_Mypage.java:281)
at com.ibm.ws.jsp.runtime.HttpJspBase.service(HttpJspBase.java:87)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1146)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1087)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:118)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain._doFilter(WebAppFilterChain.java:87)
at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:848)
at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:691)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:588)
at com.ibm.ws.wswebcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:526)
at com.ibm.wsspi.webcontainer.servlet.GenericServletWrapper.handleRequest(GenericServletWrapper.java:122)
at com.ibm.ws.jsp.webcontainerext.AbstractJSPExtensionServletWrapper.handleRequest(AbstractJSPExtensionServletWrapper.java:233)
at com.ibm.ws.jsp.webcontainerext.AbstractJSPExtensionProcessor.handleRequest(AbstractJSPExtensionProcessor.java:295)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:321)
at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1069)
at org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:455)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:279)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:743)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1146)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1087)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:118)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain._doFilter(WebAppFilterChain.java:87)
at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:848)
at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:691)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:588)
at com.ibm.ws.wswebcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:526)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:321)
at com.boeing.bccs.security.FilterSecurity.doFilter(FilterSecurity.java:161)


clarify:
1) The issue related to struts lib files?
2)The issue related to class loader?