Another solution is to have the link to download the pdf appended with a random parameter.
<a href="/download/report.pdf?state=<%=System.currentTimeMillis() %>" >Download</a> -----Original Message----- From: Brice Ruth [mailto:[EMAIL PROTECTED] Sent: Thursday, January 08, 2004 2:47 PM To: Struts Users Mailing List Subject: Re: Problems streaming PDF over HTTPS to IE I've overcome this by simply setting the "name" of the PDF that is streamed to have a timestamp, so its different everytime its loaded and IE doesn't think its cached. I had no luck with any of the HTTP headers. Brown, James wrote: >We are having a problem streaming a PDF to Internet Explorer over HTTPS. I have located a number of postings (namely http://support.microsoft.com/default.aspx?scid=kb;en-us;316431) that denote this as a known feature/bug in IE; however, we can't seem to get the solution correct. > >As we would like all of the application to be non-cacheable, we have set the following in the struts-config.xml > <controller> > <!-- Set pages as no-cache --> > <set-property property="nocache" value="true"/> > </controller> >Which works as expected. > >In the Action class we attempt to override the nocache via: > response.setHeader("Cache-control", ""); > >This does not appear to have the effect of overriding the controller setting. > >Any thoughts? > > > Cheers, > James >Below is a larger snippet from the Action.execute(...) method. > > > public ActionForward execute(ActionMapping mapping, > ActionForm form, > HttpServletRequest request, > HttpServletResponse response) > throws IOException, ServletException { > HttpSession sess = request.getSession(); > > String report = "XYZ.pdf"; > // stream the PDF data to the browser > if (report != null) { > javax.servlet.ServletOutputStream sos = response.getOutputStream(); > try { > response.setContentType(PDF_MIME_TYPE); > // as per http://support.microsoft.com/default.aspx?scid=kb;en-us;316431 > // Internet Explorer will not be able to display the PDF in SSL unless > // the page is set to be cacheable > response.setHeader("Cache-control", ""); > File reportFile = new File(report); > FileInputStream fis = new FileInputStream(reportFile); > byte[] fisBytes = new byte[(int) reportFile.length()]; > > fis.read(fisBytes); > response.setContentLength(fisBytes.length); > sos.write(fisBytes); > sos.flush(); > sos.close(); > } catch (Exception e) { > ActionErrors errors = new ActionErrors(); > errors.add(ActionErrors.GLOBAL_ERROR, > new ActionError(Constants.ERROR_KEY_HDR + Constants.LC_ERROR_HDR + "5001")); > saveErrors(request, errors); > } finally { > sos.close(); > response.reset(); > } > } > . . . >THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY MATERIAL and is thus for use only by the intended recipient. If you received this in error, please contact the sender and delete the e-mail and its attachments from all computers. > >--------------------------------------------------------------------- >To unsubscribe, e-mail: [EMAIL PROTECTED] >For additional commands, e-mail: [EMAIL PROTECTED] > > > -- Brice D. Ruth Sr. IT Analyst Fiskars Brands, Inc. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
