Hi Schultz Please find sample code below Suffix is there in request so ..
RequestDispatcher rd = context.getRequestDispatcher(sample.xls); String contentType =((request.getParameter(SUFFIX) !=null) && ((request.getParameter(SUFFIX).equalsIgnoreCase("xls")))) ?"application/vnd.ms-excel":null; <--- setting explicitly if (contentType != null) { response.setContentType(contentType); } rd.forward(request, response); Thanks Swathi -----Original Message----- From: Christopher Schultz [mailto:ch...@christopherschultz.net] Sent: Friday, January 15, 2021 7:41 PM To: users@tomcat.apache.org Subject: Re: Tomcat server not considering Mime Type - Request urgent help!! CAUTION: This email originated from outside the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe. Swathi, On 1/15/21 08:41, Jonnalagadda, Swathi (External) wrote: > My web application is trying to open the xls file by passing the file > to request.getDispatcher method. It is supposed open up download > dialogue box but it is not doing. After you get a request dispatcher, what are you doing with it? > If I set the content-type explicitly to response it is showing up the box. Please post actual code. > With Tomcat 7 it was never an issue and it used to consider mimetype > that is defined in web.xml but in Tomcat 9 not sure why it is not > considering mime-type. Something seems odd, here. Post your sample code. -chris > -----Original Message----- > From: Christopher Schultz [mailto:ch...@christopherschultz.net] > Sent: Friday, January 15, 2021 3:25 AM > To: users@tomcat.apache.org > Subject: Re: Tomcat server not considering Mime Type - Request urgent help!! > > CAUTION: This email originated from outside the organization. Do not click > links or open attachments unless you recognize the sender and know the > content is safe. > > Swathi, > > On 1/13/21 03:27, Jonnalagadda, Swathi (External) wrote: >> We could see that when we try to open the xls file separately the >> browser shows dialogue box to save it so it is nothing to do with >> browser settings > What is the difference between "open[ing] the XLS file separately" and ... > whatever your application is doing instead? > > If you want to force a download, you need to add some response headers > otherwise a normal browser will usually try to render the file in the browser > window instead of initiating a download. > > The response header you need is "Content-Disposition" and its value can be > complex. Here is what I usually do: > > Content-Disposition: attachment; filename="[filename]"; > filename*=utf-8''[filename in UTF-8 encoding] > > Note that the above is all on one line and the two single-quotes are not a > typo. You will also need to escape any double-quotes in the "filename" > and escape any semicolons in the utf8-filename. > > You can find more information here as well as other places online: > https://www.geeksforgeeks.org/http-headers-content-disposition/ > > The above reference happens to be particularly thorough, even moreso than > Mozilla's (typically very good and complete) documentation for > Content-Disposition. > > If your application is not being hosted within a web browser (e.g. it's a > mobile application, or an Electron (etc.) application, etc.) then it's > entirely up to you to trigger the display of a download dialog when this kind > of thing needs to happen. > > -chris > >> -----Original Message----- >> From: Mounika Reddy [mailto:spidermai...@gmail.com] >> Sent: Wednesday, January 13, 2021 3:48 AM >> To: Tomcat Users List >> Cc: Mark Thomas >> Subject: Re: Tomcat server not considering Mime Type - Request urgent help!! >> >> CAUTION: This email originated from outside the organization. Do not click >> links or open attachments unless you recognize the sender and know the >> content is safe. >> >> Pls check http response headers for the request to confirm if it's returning >> proper headers. >> >> Once they are in place then it may be to do with browser settings not >> processing headers. >> >> >> >> On Tue, Jan 12, 2021, 2:48 PM Jonnalagadda, Swathi (External) < >> swathi.jonnalaga...@xerox.com> wrote: >> >>> Hi Team >>> >>> We have an application deployed in tomcat9.0.38 server which >>> generates an xls file dynamically and saves at server end. When we >>> try to access the file using application frontend, it is neither >>> showing up in excel format nor showing up pop up to save the file >>> instead it is showing the content of xls file in xml format directly on the >>> browser. >>> >>> Below mime type is set both at web.xml of webapplicatio end and as >>> well as Tomcat9038/conf/web.xml >>> >>> <mime-mapping> >>> <extension>xls</extension> >>> <mime-type>application/vnd.ms-excel</mime-type> >>> </mime-mapping> >>> >>> Could you please help in resolving the issue ASAP >>> >>> >>> Thanks >>> Swathi >>> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >> For additional commands, e-mail: users-h...@tomcat.apache.org >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org