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voici le code que j'ai utilisé dans la page jsp

Code:

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<%@ page import="org.apache.commons.fileupload.*, java.util.List, java.io.File, java.util.Iterator" %>
<%
boolean isMultipart = FileUpload.isMultipartContent(request);
/*if(!isMultipart){
request.setAttribute("msg", "Request was not multipart!");
request.getRequestDispatcher("msg.jsp").forward(request, response);
return;
}*/
 
DiskFileUpload upload = new DiskFileUpload();
// parse this request by the handler
// this gives us a list of items from the request
List items = upload.parseRequest(request);
 
Iterator itr = items.iterator();
 
while(itr.hasNext()) {
        FileItem item = (FileItem) itr.next();
        
        // check if the current item is a form field or an uploaded file
        if(item.isFormField()) {
            
        // get the name of the field
        String fieldName = item.getFieldName();
        
        // if it is name, we can set it in request to thank the user
        if(fieldName.equals("name"))
                request.setAttribute("msg", "Thank You: " + item.getString());
                
        } else {
 
                // the item must be an uploaded file save it to disk. Note that there
                // seems to be a bug in item.getName() as it returns the full path on
                // the client's machine for the uploaded file name, instead of the file
                // name only. To overcome that, I have used a workaround using
                // fullFile.getName().
                File fullFile  = new File(item.getName());  
                File savedFile = new File(getServletContext().getRealPath("//"),
                fullFile.getName());
                item.write(savedFile);
        }
}
 
request.getRequestDispatcher("msg.jsp").forward(request, response);
%>

mais j'ai un message d'erreur qui s'affiche et je sais pas pourkoi :(

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exception
 
org.apache.jasper.JasperException: Exception in JSP: /testupload.jsp:13
 
10: DiskFileUpload upload = new DiskFileUpload();
11: // parse this request by the handler
12: // this gives us a list of items from the request
13: List items = upload.parseRequest(request);
14: 
15: Iterator itr = items.iterator();
16: 
 
 
Stacktrace:
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:504)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375)
	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)
	org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:368)
 
cause mère
 
javax.servlet.ServletException: Processing of multipart/form-data request failed. C:\Documents and Settings\smail\.netbeans\5.5.1\apache-tomcat-5.5.17_base\temp\upload_00000005.tmp (Le chemin d'accès spécifié est introuvable)
	org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:858)
	org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:791)

please ur help