跳转页面出错，求指教

Question

我用如下代码写了个跳转页面，但是总报页面找不到，上一页和下一页页面也报错   求指教  谢谢！！<ul>
<c:forEach var="newsList" items="${newsList }" varStatus="statusNum">
                                                    <li> <a href="${basePath }/web/showNewsDetail.do?newsId=${newsList.newsId }&curPage=1&itemId=${ecNewsItemId}">${newsList.title }</a>
</li>
</c:forEach>
                    </ul>
<c:if test="${newsListPage.pageNum == 0}">
                        <div class="m51">
<font color="red">对不起，暂时没有信息!</font></div>
</c:if>
<c:if test="${newsListPage.pageNum != 0}">
  <p>
                            &nbsp;&nbsp;
        共${newsListPage.rowNum }条信息&nbsp;
<a href="${basePath }/web/showNewsTitleList.do?itemId=${ecNewsItemId}&curPage=1"
<c:if test="${newsListPage.currentPage<=1}"> onclick="return false;" disabled </c:if>>首页</a>&nbsp;
<a href="${basePath }/web/showNewsTitleList.do?itemId=${ecNewsItemId}&curPage=${newsListPage.currentPage-1}"
<c:if test="${newsListPage.currentPage<=1}"> onclick="return false;" disabled </c:if>>上一页</a>&nbsp;
<a href="${basePath }/web/showNewsTitleList.do?itemId=${ecNewsItemId}&curPage=${newsListPage.currentPage+1}"
<c:if test="${newsListPage.currentPage>=newsListPage.pageNum}"> onclick="return false;" disabled </c:if>>下一页</a>&nbsp;
<a href="${basePath }/web/showNewsTitleList.do?itemId=${ecNewsItemId}&curPage=${newsListPage.pageNum}"
<c:if test="${newsListPage.currentPage>=newsListPage.pageNum}"> onclick="return false;" disabled </c:if>>尾页</a>&nbsp;
<input class="login-input" type="text" size="4" maxlength="7" id="fixCurPage" value="${newsListPage.currentPage }" onKeyUp="value=value.replace(/[^\d.]/g,'')"/>/${newsListPage.pageNum }页
<a style="cursor: pointer;" onClick="window.location.href='${basePath }/web/showNewsTitleList.do?itemId=${ecNewsItemId}&curPage='+document.getElementById('fixCurPage').value">跳转</a>
        </p>
</c:if></p>

Answer 1

path:/web/showNewsTitleList.do,len=25
08:30:26,114  WARN AbstractExceptionHandler:95 - Unhandled exception
java.lang.NullPointerException
08:30:26,115  WARN ExceptionCatcher:165 - Exception from exceptionCommand 'servlet-exception'
java.lang.NullPointerException
2012-4-5 8:30:26 org.apache.catalina.core.StandardWrapperValve invoke
严重: Servlet.service() for servlet action threw exception
java.lang.NullPointerException
url=
hostName:www.wlzrmzf.139mp.com
IP=111.173.133.30

Answer 2

是不是newsListPage == null 或者 newsListPage.currentPage == null ？

Answer 3

newsListPage对象你有没有传送到页面来呢是不是newsListPage是null呢