hi, Which web server platform you are using.We have webserver on Linux. And it run very fast.Do you have checked memory size allocatement to pdf file
On 8/2/06, Giorgio Corito <[EMAIL PROTECTED]> wrote:
Hi Kristian look at http://coldjava.hypermart.net/servlets/waittag.htm I hope this will help you. Bye Giorgio Kristian Rink ha scritto: > Hi all, > > being aware that this is not a question strictly tomcat-relevant, > lacking a really good mailing-list for discussions closer to the J2EE > background itself, I hope for some input by all the gurus out there. > > I'm into a situation like this: A servlet gathers statistical > information across the data in our DMS, is supposed to make a PDF out of > them and send them back to the client who requested them (PDF is demanded). > > Problem, however, is that sometimes these computations take quite some > time, leaving me with two situations: (a) The browser itself considers > the connection to be "timed out" as the servlet is stuck in doGet() for > a bunch of minutes. (b) The user itself considers the connection to be > "dead" and closes the browser window. Both situations are uncomfortable. > > > By now, my initial idea was something like that, utilizing two servlets: > > - Servlet 1 processes the request and immediately redirects the client > to another servlet while finishing the calculations and creating the PDF > file. > > - Servlet 2 refreshes, say, each 2 seconds, checking whether the file in > question finally has been created and put in place to, then, send this > back to the browser. > > > This, however, doesn't work out as Servlet 1, even though sending the > Redirect, doesn't redirect until leaving doGet(). So, that's not the > solution... > > > My question, now: Is there any "usual" / "best-practise" way of doing > something like that, of presenting people with a "please-stand-by" page > while there is activity goin' on in background? Is there a way of > solving something like this without being in need of JavaScript/AJAX/DWR > or something the like? > > Any hints, even just pointers to good documentation on that issue, are > very much appreciated. > > Thanks and bye, > Kristian > > > --------------------------------------------------------------------- To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
