How do you use Struts with Jboss Portal

I am trying to use strust with jboss portal but I am getting the following error:
An error occured while rendering window 'default.MyPortlet2.myportlet2Window'
org.apache.jasper.JasperException: Exception in JSP: /WEB-INF/jsp/SearchResultPage.jsp:71 68: List searchresult = (List) request.getAttribute("searchresult"); 69: %> 70: Stacktrace:
I am getting this is in the log file
Caused by: org.apache.jasper.JasperException: Exception in JSP: /WEB-INF/jsp/SearchResultPage.jsp:71
68: List searchresult = (List) request.getAttribute("searchresult");
69: %>
70: <%
71: for (Iterator itr=searchresult.iterator(); itr.hasNext(); )
72: {
73: testPackage.net.dao.hibernate.WorkList workList = (testPackage.net.dao.hibernate.WorkList)itr.next();
74: %>
Stacktrace:
at org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:504)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:393)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.jboss.portal.portlet.impl.jsr168.PortletRequestDispatcherImpl.execute(PortletRequestDispatcherImpl.ja
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:585)
at org.jboss.portal.server.servlet.CommandFilter.doFilter(CommandFilter.java:65)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:574)
at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499)
at org.jboss.portal.portlet.impl.jsr168.PortletRequestDispatcherImpl.include(PortletRequestDispatcherImpl.ja
... 238 more
Caused by: java.lang.NullPointerException
at org.apache.jsp.WEB_002dINF.jsp.SearchResultPage_jsp._jspService(SearchResultPage_jsp.java:152)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332)
... 255 more

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