将一个int数组变为一个int整数

xml 代码

<c:catch var="error">  

<c:forEach var="item" begin="1" end="60">  

      <c:set var="reportId" value="${sessionScope.base_id}01${param.pankuMonth}${pageScope.maxType}"/>  

          

       <c:set var="start_storage" value="0" scope="page"/>  

       <c:set var="corp_provide" value="0" scope="page"/>  

       <c:set var="stock_self" value="0" scope="page"/>  

       <c:set var="submit_stock" value="0" scope="page"/>  

       <c:set var="prove_provide" value="0" scope="page"/>  

       <c:set var="inner_fold" value="0" scope="page"/>  

       <c:set var="other_party" value="0" scope="page"/>  

       <c:set var="produce_service" value="0" scope="page"/>  

       <c:set var="basic_build" value="0" scope="page"/>  

       <c:set var="report_loss" value="0" scope="page"/>  

       <c:set var="exportion" value="0" scope="page"/>  

       <c:set var="income_other1" value="0" scope="page"/>  

       <c:set var="income_total" value="0" scope="page"/>  

       <c:set var="sendout_total" value="0" scope="page"/>  

       <c:set var="sendout_prove" value="0" scope="page"/>  

       <c:set var="end_storage" value="0" scope="page"/>  

       <c:set var="storage_full" value="0" scope="page"/>  

       <c:set var="storage_loss" value="0" scope="page"/>  

       <c:set var="avg_storage" value="0" scope="page"/>  

       <c:set var="turn_time" value="0" scope="page"/>  

       <c:set var="turn_day" value="0" scope="page"/>  

</c:forEach>  

</c:catch>  

${empty error}成功   

<c:choose>  

    <c:when test="${empty error}">  

         <c:redirect url="/public/success.jsp">  

            <c:param name="url" value="/new_kc/base_kc/zwgl/panku/index.jsp" />  

         </c:redirect>    

    </c:when>  

    <c:otherwise>  

        <c:redirect url="/public/error.jsp">  

            <c:param name="url" value="/new_kc/base_kc/zwgl/panku/index.jsp" />  

            <c:param name="errorMessage" value="${error}" />  

        </c:redirect>  

    </c:otherwise>  

</c:choose>  

<c:foreach>                 上面的代码不能成功跳转，但是将的end ="40"或更小时跳转成功，请问这是为什么。。。。。</c:foreach>