org.xml.sax.SAXParseException; lineNumber：1错误

Question

我正在使用org.xml.sax.SAXParseException; lineNumber：1，在尝试运行以下代码时：

package test;

import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Method;
import java.util.Random;

import javax.servlet.Servlet;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.xml.sax.InputSource;

import com.jxml.quick.QDoc;
import com.jxml.quick.Quick;
import test.DDTestPaper1Schema;

public class ValidateTestLogin extends HttpServlet implements Servlet {
    //public static String XMLFILEPATH_DD = "D:\\BPS Workspace\\LatestWAR\\JavaSource\\test\\DDTestPaper1.xml";
//  public static String XMLFILEPATH_DD = "/testResources/DD/DDTestPaper1.xml";
//  public static String XMLFILEPATH_DR = "/testResources/DR/DRTestPaper1.xml";
//  public static String XMLFILEPATH_DQ = "/testResources/DQ/DQTestPaper1.xml";

    String XMLFILEPATH_DD = "/testResources/DD/DDTestPaper";
    String XMLFILEPATH_DR = "/testResources/DR/DRTestPaper";
    String XMLFILEPATH_DQ = "/testResources/DQ/DQTestPaper";
    String DOTXML = ".xml";

    /* (non-Java-doc)
     * @see javax.servlet.http.HttpServlet#HttpServlet()
     */
    public ValidateTestLogin() {
        super();
    }

    /* (non-Java-doc)
     * @see javax.servlet.http.HttpServlet#doGet(HttpServletRequest arg0, HttpServletResponse arg1)
     */
    protected void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
        System.out.println("doGet() method is called ");
        doGet(req,res);
    }

    /* (non-Java-doc)
     * @see javax.servlet.http.HttpServlet#doPost(HttpServletRequest arg0, HttpServletResponse arg1)
     */
    protected void doPost(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
        System.out.println("doPost() method is called ");

        //System.out.println(getServletContext().getRealPath("DDTestPaper1.xml"));
        String userName = req.getParameter("txtUserName");
        String emailId = req.getParameter("txtEmailAdd");
        String selectedTestPaper = req.getParameter("selTestPaper");
        HttpSession httpSession = req.getSession(true);
        //String selectedTestPaper = httpSession.getAttribute("selectedTestPaper").toString();
        boolean validate = validateInput(httpSession, userName, emailId, selectedTestPaper);

        if (validate)
        {
              httpSession.setAttribute("userName",userName);
              httpSession.setAttribute("emailId",emailId);
              httpSession.setAttribute("selectedTestPaper",selectedTestPaper);

              httpSession.removeAttribute("testLoginError");

              boolean xmlBindFlag = bindXMLToBean(httpSession, selectedTestPaper);
              if (! xmlBindFlag)
              {
                // reload login page again with error massage
                res.sendRedirect("test/testLogin.jsp");
                res.flushBuffer();
                return;                 
              }

              res.sendRedirect("test/testPage.jsp");
              res.flushBuffer();
              return;           
        }
        else
        {
            httpSession.removeAttribute("userName");
            httpSession.removeAttribute("emailId");
            httpSession.removeAttribute("selectedTestPaper");

            // reload login page again with error massage
            res.sendRedirect("test/testLogin.jsp");
            res.flushBuffer();
            return;         
        }

    }

    private synchronized boolean  bindXMLToBean(HttpSession httpSession,String selectedTestPaper )
    {
        boolean valid = true;
        User userObj = null;
        Random ran = new Random()   ;
        int fileNum = ran.nextInt(10)+1;
        //if(fileNum < 0)
    //  {
    //    fileNum = 4;  
    //  }
        System.out.println("FILENUMBEER>>>>>>>>>>>>"+fileNum);

        try
        {
            if (selectedTestPaper.equalsIgnoreCase("DD"))
            {
                DDTestPaper1Schema userSchema = new DDTestPaper1Schema();
                QDoc doc = parseInputXML(userSchema, XMLFILEPATH_DD + fileNum + DOTXML);
                userObj = (User) Quick.getRoot(doc);
            }
            else if (selectedTestPaper.equalsIgnoreCase("DR"))
            {
                DRTestPaper1Schema userSchema = new DRTestPaper1Schema();
                QDoc doc = parseInputXML(userSchema, XMLFILEPATH_DR + fileNum + DOTXML);
                userObj = (User) Quick.getRoot(doc);
            }
            else if (selectedTestPaper.equalsIgnoreCase("DQ"))
            {
                DQTestPaper1Schema userSchema = new DQTestPaper1Schema();
                QDoc doc = parseInputXML(userSchema, XMLFILEPATH_DQ + fileNum + DOTXML);
                userObj = (User) Quick.getRoot(doc);
            }
            else 
            {
                httpSession.setAttribute("testLoginError", "Un-Identified test paper type");
                throw new Exception("Un-Identified test paper type");
            }

            if ( userObj == null)
            {
                httpSession.setAttribute("testLoginError", "Unable to create test paper, Please contect your site admin");
                throw new Exception("Unable to create test paper, Please contect your site admin");
            }

            httpSession.setAttribute("currQuestion","0");
            httpSession.setAttribute("dataBeanObj", userObj);
            httpSession.setAttribute("maxSeconds",userObj.getTotSeconds());
            httpSession.setAttribute("remainingSeconds",userObj.getTotSeconds());
        }
        catch (Exception ex)
        {
            ex.printStackTrace();
            valid = false;
        }
        return valid;
    }

    public QDoc parseInputXML(Object schemaObject, String xmlFilePath) throws Exception
    {
        QDoc doc = null;
           try
           {
            Class schemaClass = schemaObject.getClass();
            Method schemaMethod = schemaClass.getMethod("createSchema",null);
            QDoc schemaInstance = (QDoc) schemaMethod.invoke(schemaClass,null);
            //doc = Quick.parse(schemaInstance, xmlFilePath);
            ClassLoader cl = this.getClass().getClassLoader();
            InputStream is = cl.getResourceAsStream(xmlFilePath);
            InputSource inputSource = new InputSource(is);
            doc = Quick.parse(schemaInstance, inputSource);
           }
           catch (Exception ex)
           {
               throw new Exception (ex.getMessage());
           }
           return doc ;
    }

    private boolean validateInput(HttpSession httpSession, String userName,String  emailId,String  selectedTestPaper)
    {
        boolean valid = true;
        StringBuffer errorStr = new StringBuffer(100);
        if (userName == null || userName.trim().equals(""))
        {
            errorStr.append("User name is mandatory field, Please enter user name <br>");
            valid = false;
        }
        if (emailId == null || emailId.trim().equals(""))
        {
            errorStr.append("Email address is mandatory field, Please enter email address <br>");
            valid = false;
        }
        if (selectedTestPaper == null || selectedTestPaper.trim().equals(""))
        {
            errorStr.append("Please select proper test paper <br>");
            valid = false;
        }
        if (!valid)
        {
            httpSession.setAttribute("testLoginError",errorStr.toString());
        }
        return valid;
    }

}

XML文件的开头如下所示 -     

ValidateTestLogin的servlet如下::

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN" "http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">
<web-app id="WebApp_ID">

有人可以帮我纠正这个错误吗？