org.apache.catalina.core.ApplicationDispatcher  invoke Servlet.service()  for se
//NewsAction.java
	/**
	 * 显示
	 * @return
	 */
	public String showNews(){
		String string = "";
		try {
			list = newsService.queryNews("from com.sinosoft.canshishi.pojo.News", null, number, pageSize);
			string = "showNews";
		} catch (Exception e) {
			e.printStackTrace();
			string = "error";
		}
		return string;
	}	
<!--  shouNews.jsp  -->
    <c:forEach items="${list}" var="list">
    	<!-- ${list.maintitle } <br/> -->
    	<c:out value="${list.maintitle}"></c:out>
    </c:forEach>
2012-5-14 9:24:45 org.apache.catalina.core.ApplicationDispatcher invoke
严重: 
Servlet.service() for servlet jsp threw exceptionjava.lang.ClassNotFoundException: javax.servlet.jsp.jstl.core.LoopTag
------解决方案--------------------
缺少jstl.jar
我的异常网推荐解决方案:Servlet.service() for servlet default threw exception,http://www.aiyiweb.com/eclipse/181756.html