I need to download a file from the server using AJAX & Struts. Is this possible?
Frank W. Zammetti wrote: > > No, you don't need to implement StrutsFileDownload... What your doing > should work fine... Can you throw together a quick, simple application > that is nothing but a single Action that writes out "ok" to the response > and returns null? See if that works... if what you describe is > accurate, it sure sounds like something prior to your Action is getting > the output stream, which probably should not be happening. > > Frank > > -- > Frank W. Zammetti > Founder and Chief Software Architect > Omnytex Technologies > http://www.omnytex.com > AIM/Yahoo: fzammetti > MSN: [EMAIL PROTECTED] > Author of "Practical Ajax Projects With Java Technology" > (2006, Apress, ISBN 1-59059-695-1) > and "JavaScript, DOM Scripting and Ajax Projects" > (2007, Apress, ISBN 1-59059-816-4) > Java Web Parts - http://javawebparts.sourceforge.net > Supplying the wheel, so you don't have to reinvent it! > > Jon Wynacht wrote: >> Hi Mike, >> >> Yup. I did that and no error is thrown now, however I don't get the >> download anymore....I'm thinking I need to implement StrutsFileDownload >> instead and that's my link? Thoughts? >> >> Jon >> >> On May 28, 2007, at 8:21 AM, Mike Baroukh wrote: >> >>> >>> Hi. >>> >>> Maybe it has worked before, but I think you actually make an error : >>> If you already send a stream back to the client, it's not logic to >>> return "mapping.findForward()" because nothing else can be send to the >>> browser at this point. >>> You should simply return "null" ... >>> >>> >>> Mike >>> >>> Jon Wynacht a écrit : >>>> Hi, >>>> I asked this question of the POI user mailing list but it's probably >>>> a question for this list. If you don't know what POI is, check it out >>>> here: >>>> http://jakarta.apache.org/poi/ >>>> I used to run Struts 1.2.9, POI 2.5 and could generate Excel files >>>> from a servlet and download them without issue. I recently upgraded >>>> to Struts 1.3.5 and POI 3 and it looks like I broke that capability. >>>> I'm getting the following error: >>>> java.lang.IllegalStateException: getOutputStream() has already been >>>> called for this response >>>> I've searched through the Net and the archives here for info but >>>> nothing really seems to fit for my situation; it's mostly JSP. >>>> I'm calling an Action servlet which makes a call to the model and >>>> gets some data, creates a new workbook and then does this: >>>> <snip> >>>> response.setContentType("application/vnd.ms-excel"); >>>> response.setHeader("Content-disposition", >>>> "attachment;filename=\"attendees.xls\""); >>>> response.addHeader("Content-description", "Event >>>> Attendees"); >>>> ServletOutputStream stream = >>>> response.getOutputStream(); >>>> wb.write(stream); >>>> stream.close(); >>>> ... >>>> forward = "SUCCESS"; >>>> ... >>>> return mapping.findForward(forward); >>>> </snip> >>>> It's what I did before I upgraded and things worked fine. Now they >>>> don't >>>> Any ideas? Am I missing something really obvious or was I bending the >>>> rules a bit and taking chances with my data in my previous config? >>>> Cheers and thanks, >>>> Jon >>>> Jon Wynacht >>>> [EMAIL PROTECTED] >>>> http://www.objectevolution.com >>>> --------------------------------------------------------------------- >>>> To unsubscribe, e-mail: [EMAIL PROTECTED] >>>> For additional commands, e-mail: [EMAIL PROTECTED] >>> >>> -- >>> Mike Baroukh >>> >>> --- >>> Cardiweb - 31 Rue de Mogador Paris IXeme >>> 06 63 57 27 22 - 01 53 21 82 63 - Jabber: [EMAIL PROTECTED] >>> http://www.cardiweb.com >>> --- >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: [EMAIL PROTECTED] >>> For additional commands, e-mail: [EMAIL PROTECTED] >> >> Jon Wynacht >> [EMAIL PROTECTED] >> http://www.objectevolution.com >> >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> For additional commands, e-mail: [EMAIL PROTECTED] >> >> >> >> >> >> --No virus found in this incoming message. >> Checked by AVG Free Edition.Version: 7.5.472 / Virus Database: >> 269.8.0/821 - Release Date: 5/27/2007 3:05 PM >> >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > -- View this message in context: http://www.nabble.com/Excel%2C-Struts-and-Downloading-tf3828502.html#a14169373 Sent from the Struts - User mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
