Re: How to get and store uploaded file on server in JSP

Pierre <>
Mon, 1 Sep 2008 07:19:30 -0700 (PDT)

I'm trying to use this method to upload a file CSV and scan it.

In my action, the method upload.parseRequest(request) return null, but
I don't know why.
How can I put my file into the request?
What I have to do in the form?

Thanks for your help!

Pierre VIAU (a french coder trying to write english :-p)

PS: I'm working with JSP, Java and Struts
Here are my codes:
In my jsp:
<form action="/fo-contract/" method="post"
name="importBeneficiariesForm" style="display: block;">
   <label for="ipImportAD">Choisir le fichier =E0 importer</label>
    <input type="file" name="file" id="ipImportAD"/>
<p class="btsBar">
    <a class="btReset" id="cancelImportBt" href="javascript:void(0);"
style="display: block;">Annuler</a>
    <input type="submit" class="btForm" value="Importer"/>


public class ImportBeneficiariesAction extends ContractAction {

    private BufferedReader buff = null;

    public ActionForward execute(ActionMapping mapping, ActionForm form,
            HttpServletRequest request, HttpServletResponse response)
            throws ServletException {

        try {
            /* Just a test */
            final ImportBeneficiariesForm importForm =
(ImportBeneficiariesForm) form;
            String filePath = importForm.getFilePath();
            /* End of the test */

            /* Getting the upload file */
            DiskFileUpload upload = new DiskFileUpload();
            List<FileItem> files = upload.parseRequest(request);
            InputStream uploadedStream = files.get(0).getInputStream();
            buff = new BufferedReader(new


public class ImportBeneficiariesForm extends ActionForm {

    private static final long serialVersionUID = -7176458272897827988L;
    protected String filePath;

    public ImportBeneficiariesForm() {

    public void reset(ActionMapping mapping, HttpServletRequest
request) {
        // TODO Auto-generated method stub
        super.reset(mapping, request);

    // Getters and Setters

    public String getFilePath() {
        return filePath;

    public void setFilePath(String filePath) {
        this.filePath = filePath;


On 28 ao=FBt, 14:41, Arne Vajh=F8j <> wrote: wrote:

On Aug 28, 5:55 am, Arne Vajh?j <> wrote:

Code snippet that processes multiple files:

<%@page import="org.apache.commons.fileupload.*,java.util.*,


DiskFileUpload upload = new DiskFileUpload();
List files = upload.parseRequest(request);
for(int i = 0; i < files.size(); i++) {
    FileItem file = (FileItem)files.get(i);
    if(file.getSize() > 0) {
       String filename = "C:\\" + file.getFieldName() + ".up=


       file.write(new File(filename));


I tried with this piece of code, but it is throwing following

org.apache.jasper.JasperException: Unable to compile class for JSP

An error occurred at line: 2 in the jsp file: /upload.jsp
Generated servlet error:
DiskFileUpload cannot be resolved or is not a type
I don't understand why is it not able to recognize DiskFileUpload and
FileItem, even though org.apache.commons.fileupload.* has been
imported! Could you please tell me what would be the probable


just imports names - it means that DiskFileUpload can be used as
abbreviation for org.apache.commons.fileupload.DiskFileUpload - it does
not import any uproar.

The cup is with almost truth that you have not put the
Jakarta FileUpload canoe files in classpath. They should be in
WEB-INF/lib !


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