Does whatever user you're running your web app in have write access to
that directory? It could be for smaller files it's just loading those
into memory directly instead of a temp file.
On Oct 12, 2:14 pm, "m...@grayout.de" <m...@grayout.de> wrote:
> Hi all,
>
> I am currently working on an gwt application where the client needs to
> upload some files on the server so they can undergo some further
> processing.
>
> I found the Servlet shown below in some Tutorial that, invoked by the
> client, should allow me to upload a file to the server. Interestingly,
> this works for small files (text and binary) a far as they are not
> larger than something around 15 kb.
>
> Otherwise, I get an error looking like this: "access denied
> (java.io.FilePermission /var/folders/iw/iwDgjwOcEVqjzDb6t18ytnj1v9w/-
> Tmp-/upload_78b21457_132f972f394__8000_00000010.tmp write)"
>
> Help would be much apreciated! Thanks in advance!
>
> Best Regards,
>
> Uli
>
> PS: And here comes the code:
>
> public class FileUploadServlet extends HttpServlet implements Servlet
> {
>
> private static final long serialVersionUID = 8305367618713715640L;
>
> protected void doPost(HttpServletRequest request,
> HttpServletResponse response)
> throws ServletException, IOException {
> response.setContentType("text/plain");
>
> FileItem uploadItem = getFileItem(request);
> if (uploadItem == null) {
> response.getWriter().write("NO-SCRIPT-DATA");
> return;
> }
>
> byte[] fileContents = uploadItem.get();
> //TODO: add code to process file contents here. We will just
> printit.
> System.out.println(new String(fileContents));
> response.getWriter().write(new String(fileContents));
> }
>
> private FileItem getFileItem(HttpServletRequest request) {
> FileItemFactory factory = new DiskFileItemFactory();
> ServletFileUpload upload = new ServletFileUpload(factory);
>
> try {
> System.out.println(request);
> List items = upload.parseRequest(request);
> System.out.println("FILE READ ###############################");
> Iterator it = items.iterator();
> while (it.hasNext()) {
> FileItem item = (FileItem) it.next();
> if (!item.isFormField()
> && "uploadFormElement".equals(item.getFieldName())) {
> return item;
> }
> }
> } catch (FileUploadException e) {
> return null;
> }
> return null;
> }
>
>
>
>
>
>
>
> }
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