See if any of the suggestions in http://jakarta.apache.org/poi/faq.html#faq-7
help you. The faq is written from the point of view of servelet use, but the
problems and solutions apply to JSP as well.
Quoting ibo <[EMAIL PROTECTED]>:
> Im trying to code a routine for downloading the
> generated excel file
> thru JSP, by writing the data object directly to the
> client side.
> my code snippet :
>
> fs = new POIFSFileSystem(new
> FileInputStream(fileTemplate));
> wb = new HSSFWorkbook(fs);
> ...
> ServletOutputStream stream =
> response.getOutputStream();
>
> response.setContentType("application/vnd.ms-excel");
> response.setHeader("Content-Disposition",
> "attachment; filename=\"" + fileName + "\"");
>
> wb.write(stream);
> stream.close();
>
> this code doesnt seem to work, the file gets
> downloaded and written to a file
> but the content looks garbled or corrupted, although i
> can open the file thru
> MS Excel w/o getting an "illegal operation" or any
> errors.
> remember that this code snippet is inside a JSP file
> and it looks like
> the data was written not in binary but in ascii.. or
> something like that.
> what am i missing? anyone with a working code? => does
> POI library
> handles this one properly? (i tried writing it to a
> file and works perfectly).
> i also tried the code in servlet but i get the same results.
>
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