正在做一个垂直搜索引擎


还有待完善：
www.sandpots.com

解决方案 »

  1.   

    直接报错？HTTP Status 500 - --------------------------------------------------------------------------------type Exception reportmessage description The server encountered an internal error () that prevented it from fulfilling this request.exception org.apache.jasper.JasperException: Exception in JSP: /result.jsp:2017:  <table width="1000">
    18:  <%
    19:  Hashtable hh = (Hashtable)request.getAttribute("returnValue");
    20:  out.println(hh.size());
    21:  if(hh!=null&&hh.size()>0&&hh.size()>1000)
    22:  {
    23:  out.println("<tr><td><a href='S.jsp'>搜索结果大于1000条，展示过慢，请缩减查询条件，谢谢</a></td></tr>");
    Stacktrace:
    org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:451)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:373)
    org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329)
    org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
    org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1069)
    org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:455)
    org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:279)
    org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
    org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
    root cause java.lang.NullPointerException
    org.apache.jsp.result_jsp._jspService(result_jsp.java:114)
    org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:331)
    org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329)
    org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
    org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1069)
    org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:455)
    org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:279)
    org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
    org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
    note The full stack trace of the root cause is available in the Apache Tomcat/5.5.25 logs.
    --------------------------------------------------------------------------------Apache Tomcat/5.5.25