一个Struts跳转问题

Question

我也不知道怎么回事，以前用都好好的，昨天都好的，今天就登陆不进去了。帮帮兄弟们！！！！！！！
index.jsp
<%@ page contentType="text/html; charset=GBK" language="java"%>
<%@ taglib uri="/WEB-INF/struts-bean.tld" prefix="bean" %>
<%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html" %>
<%@ taglib uri="/WEB-INF/struts-logic.tld" prefix="logic" %>
<logic:redirect  forward="welcome"/>
struts-config.xml 里有
<action path="/Welcome" forward="/pages/login/login.jsp"/>
访问出现的错误
description The server encountered an internal error () that prevented it from fulfilling this request.org.apache.jasper.JasperException
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:510)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:393)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

Answer 1

编译后的index_jsp.java文件package org.apache.jsp;import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;public final class index_jsp extends org.apache.jasper.runtime.HttpJspBase
    implements org.apache.jasper.runtime.JspSourceDependent {  private static java.util.List _jspx_dependants;  static {
    _jspx_dependants = new java.util.ArrayList(5);
    _jspx_dependants.add("/WEB-INF/struts-bean.tld");
    _jspx_dependants.add("/WEB-INF/struts-html.tld");
    _jspx_dependants.add("/WEB-INF/struts-logic.tld");
    _jspx_dependants.add("/WEB-INF/struts-tiles.tld");
    _jspx_dependants.add("/WEB-INF/struts-nested.tld");
  }  private org.apache.jasper.runtime.TagHandlerPool _jspx_tagPool_logic_redirect_forward_nobody;  public Object getDependants() {
    return _jspx_dependants;
  }  public void _jspInit() {
    _jspx_tagPool_logic_redirect_forward_nobody = org.apache.jasper.runtime.TagHandlerPool.getTagHandlerPool(getServletConfig());
  }  public void _jspDestroy() {
    _jspx_tagPool_logic_redirect_forward_nobody.release();
  }  public void _jspService(HttpServletRequest request, HttpServletResponse response)
        throws java.io.IOException, ServletException {    JspFactory _jspxFactory = null;
    PageContext pageContext = null;
    HttpSession session = null;
    ServletContext application = null;
    ServletConfig config = null;
    JspWriter out = null;
    Object page = this;
    JspWriter _jspx_out = null;
    PageContext _jspx_page_context = null;
    try {
      _jspxFactory = JspFactory.getDefaultFactory();
      response.setContentType("text/html; charset=GBK");
      pageContext = _jspxFactory.getPageContext(this, request, response,
       null, true, 8192, true);
      _jspx_page_context = pageContext;
      application = pageContext.getServletContext();
      config = pageContext.getServletConfig();
      session = pageContext.getSession();
      out = pageContext.getOut();
      _jspx_out = out;      out.write("\r\n");
      out.write("\r\n");
      out.write("\r\n");
      out.write("\r\n");
      out.write("\r\n");
      out.write("\r\n");
      out.write("\r\n");
      if (_jspx_meth_logic_redirect_0(_jspx_page_context))
        return;
    } catch (Throwable t) {
      if (!(t instanceof SkipPageException)){
        out = _jspx_out;
        if (out != null && out.getBufferSize() != 0)
          out.clearBuffer();
        if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
      }
    } finally {
      if (_jspxFactory != null) _jspxFactory.releasePageContext(_jspx_page_context);
    }
  }  private boolean _jspx_meth_logic_redirect_0(PageContext _jspx_page_context)
          throws Throwable {
    PageContext pageContext = _jspx_page_context;
    JspWriter out = _jspx_page_context.getOut();
    //  logic:redirect
    org.apache.struts.taglib.logic.RedirectTag _jspx_th_logic_redirect_0 = (org.apache.struts.taglib.logic.RedirectTag) _jspx_tagPool_logic_redirect_forward_nobody.get(org.apache.struts.taglib.logic.RedirectTag.class);
    _jspx_th_logic_redirect_0.setPageContext(_jspx_page_context);
    _jspx_th_logic_redirect_0.setParent(null);
    _jspx_th_logic_redirect_0.setForward("welcome");
    int _jspx_eval_logic_redirect_0 = _jspx_th_logic_redirect_0.doStartTag();
    if (_jspx_th_logic_redirect_0.doEndTag() == javax.servlet.jsp.tagext.Tag.SKIP_PAGE) {
      _jspx_tagPool_logic_redirect_forward_nobody.reuse(_jspx_th_logic_redirect_0);
      return true;
    }
    _jspx_tagPool_logic_redirect_forward_nobody.reuse(_jspx_th_logic_redirect_0);
    return false;
  }
}

Answer 2

先不用标签<logic:redirect  forward="welcome"/>
用jsp的隐含对象response.sendRedirect("/welcome.do");试试看

Answer 3

response.sendRedirect("/welcome.do");是绝对地址的跳转，别弄上相对地址了