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tomcat白屏~

www.myexceptions.net  网友分享于：2013-01-17  浏览：162次

tomcat白屏~~求助！！

我用tomcat运行写好的velocity模版，出现白屏，不提示错误，让我很郁闷...

文件目录如下C:\Tomcat   5.0\webapps\table

TestVelocity.java代码

package   cn.ac.ict;

import   java.io.*;

import   java.util.*;

import   javax.servlet.*;

import   javax.servlet.http.*;

import   org.apache.velocity.*;

import   org.apache.velocity.context.*;

import   org.apache.velocity.servlet.*;

import   org.apache.velocity.app.*;

import   org.apache.velocity.exception.*;

import   javax.swing.table.*;

public   class   TestVelocity   extends   VelocityServlet{

protected   Properties   loadConfiguration(ServletConfig   config)

throws   IOException,FileNotFoundException

{

Properties   p=new   Properties();

String   path=config.getServletContext().getRealPath( "/ ");

if(path==null)

{

System.out.println( "TestVelocity.loadConfiguration(): "+

"unable   to   get   the   current   webapp   root.Using   '/ '. ");

path= "/ ";

}

p.setProperty(Velocity.FILE_RESOURCE_LOADER_PATH,path);

p.setProperty( "runtime.log ",path+ "velocity.log ");

return   p;

}

public   Template   handleRequest(HttpServletRequest   request,HttpServletResponse   response,Context   context)

{

Template   outty=null;

try

{

//Hashtable   userlist=new   Hashtable();

java.util.List   user   =   new   java.util.ArrayList(5);

user.add(   new   User(   "John ",   "john@some.domain ",   true   )   );

user.add(   new   User(   "   Alice   ",   "alice@other.domain ",   false   )   );

user.add(   new   User(   "Tom ",   "tom@other.domain ",   true   )   );

user.add(   new   User(   "Elisa ",   "elisa@some.domain ",   false   )   );

user.add(   new   User(   "Zine ",   "zine@other.domain ",   true   )   );

/*

User   u=new   User();

u.setName( "John ");

u.setEmailAddress( "john@some.domain ");

u.setMale(true);

userlist.put(u.getName(),u);

u.setName( "Alice ");

u.setEmailAddress( "alice@other.domain ");

u.setMale(false);

userlist.put(u.getName(),u);

u.setName( "Tom ");

u.setEmailAddress( "tom@other.domain ");

u.setMale(true);

userlist.put(u.getName(),u);

u.setName( "Elisa ");

u.setEmailAddress( "elisa@some.domain ");

u.setMale(false);

userlist.put(u.getName(),u);

u.setName( "Zine ");

u.setEmailAddress( "zine@other.domain ");

u.setMale(true);

userlist.put(u.getName(),u);

context.put( "userlist ",userlist);*/

outty=getTemplate( "UserTable.vm ");

}

catch(ParseErrorException   ex1){

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