Download Servlet doesn't work

Hi all.. i've 2 project with the same downloadservlet but in the second project the Download doesn't work.. WHY??

Here my second web.xml (here the download doesn't work)

<?xml version="1.0" encoding="UTF-8"?>

<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee

http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"

         version="2.5"

         xmlns="http://java.sun.com/xml/ns/javaee">

  <!-- Servlets -->   

  

  <!-- DOWNLOAD -->

  <servlet>

    <servlet-name>DownloadServlet</servlet-name>

    <servlet-class>com.pannelli.controllo.server.DownloadServlet</servlet-class>

  </servlet>

  

  <servlet-mapping>

     <servlet-name>DownloadServlet</servlet-name>

     <url-pattern>/pannelli_di_controllo/download</url-pattern>

  </servlet-mapping>

  <!-- ********************************************************* -->

  

  <!-- UPLOAD -->

  <servlet>

    <servlet-name>uploadServlet</servlet-name>

    <servlet-class>com.pannelli.controllo.server.FileUploadServlet</servlet-class>

  </servlet>

  

  <servlet-mapping>

    <servlet-name>uploadServlet</servlet-name>

    <url-pattern>/pannelli_di_controllo/upload</url-pattern>

  </servlet-mapping>  

  <!-- ********************************************************* -->

  

  <!-- STANDARD -->

  <servlet>

    <servlet-name>greetServlet</servlet-name>

    <servlet-class>com.pannelli.controllo.server.GreetingServiceImpl</servlet-class>

  </servlet>

  

  <servlet-mapping>

    <servlet-name>greetServlet</servlet-name>

    <url-pattern>/pannelli_di_controllo/greet</url-pattern>

  </servlet-mapping>

  <!-- ********************************************************* -->

  

  <!-- ********************************************************* -->

  

  <!-- Default page to serve -->

  <welcome-file-list>

    <welcome-file>Pannelli_di_controllo.html</welcome-file>

  </welcome-file-list>

</web-app>

--------------------------------------------------------------------------

the first web.xml (here download works fine)

<?xml version="1.0" encoding="UTF-8"?>

<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 

              http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"

         version="2.5"

         xmlns="http://java.sun.com/xml/ns/javaee">

  <!-- Servlets --> 

   

  <!-- DOWNLOAD -->

  <servlet>

    <servlet-name>DownloadServlet</servlet-name>

    <servlet-class>com.appoggio.server.DownloadServlet</servlet-class>

  </servlet>

  

  <servlet-mapping>

     <servlet-name>DownloadServlet</servlet-name>

     <url-pattern>/appoggio/download</url-pattern>

  </servlet-mapping>

  <!-- ********************************************************* -->

  

  <!-- UPLOAD -->

  <servlet>

    <servlet-name>uploadServlet</servlet-name>

    <servlet-class>com.appoggio.server.FileUploadServlet</servlet-class>

  </servlet>

  

  <servlet-mapping>

    <servlet-name>uploadServlet</servlet-name>

    <url-pattern>/appoggio/upload</url-pattern>

  </servlet-mapping>

  <!-- ********************************************************* -->

  

  <!-- NORMAL -->

  <servlet>

    <servlet-name>greetServlet</servlet-name>

    <servlet-class>com.appoggio.server.GreetingServiceImpl</servlet-class>

  </servlet>

  

  <servlet-mapping>

    <servlet-name>greetServlet</servlet-name>

    <url-pattern>/appoggio/greet</url-pattern>

  </servlet-mapping>

  <!-- ********************************************************* -->

  

  <!-- ********************************************************* -->

  

  <!-- Default page to serve -->

  <welcome-file-list>

    <welcome-file>Appoggio.html</welcome-file>

  </welcome-file-list>

</web-app>

The DownloadServlet class is the same in everything..

Thanks in advance..

Davide

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