From: Nathaniel G. A. <nat...@ya...> - 2002-12-17 20:29:16
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when you use the HttpSession, the server keeps track of you via a cookie on your browser. If you do not have cookies enabled the HttpSession will not work correctly. Do you see calls coming in to your Servlet that encodes the chart object? --- Lexington Mews <sr...@le...> wrote: > I do not get exception. I have the imagemap working on the white screen. > Only the chart does not showup. As I move the mouse, I could see the chart > value using imagemap. But there is only blank chart. What is the impact of > cookies? > > > ----- Original Message ----- > From: "Nathaniel G. Auvil" <nat...@ya...> > To: "Srini" <sr...@le...> > Cc: "jCharts - Users" <jch...@li...> > Sent: Tuesday, December 17, 2002 3:17 PM > Subject: Re: Partial list of code for imagemap > > > > > > i am not sure. Are you getting an Exception? > > > > do you have cookies enabled on the browser, as you are using the > HttpSession. > > > > > > > > --- Srini <sr...@le...> wrote: > > > Now I use the solution with session variable. Still some browser do not > > > bring the jpeg files. That was my question. > > > > > > > > > ----- Original Message ----- > > > From: "Nathaniel G. Auvil" <nat...@ya...> > > > To: "Srini" <sr...@le...> > > > Cc: "jCharts - Users" <jch...@li...> > > > Sent: Tuesday, December 17, 2002 11:13 AM > > > Subject: Re: Partial list of code for imagemap > > > > > > > > > > > > > > sounds like you are not using different keys in the httpsession. If > you > > > are putting two Chart > > > > instances into the HttpSession you need to store them under different > keys > > > and to get them using > > > > those different keys. > > > > > > > > I have no idea why you other approach does not work, but it does not > sound > > > like you need to write > > > > to a file, as it is a huge performance liability. > > > > > > > > > > > > > > > > --- Srini <sr...@le...> wrote: > > > > > I have both the codes working. Keeping the chart in session variable > > > shows > > > > > the same chart with in different frames even though each frame has > to > > > show > > > > > different chart. Hence I went for the second solution. In both the > > > cases > > > > > some browser do not bring the jpeg files. That was my question. > > > > > > > > > > ----- Original Message ----- > > > > > From: "Nathaniel G. Auvil" <nat...@ya...> > > > > > To: "Srini" <sr...@le...> > > > > > Cc: "jCharts - Users" <jch...@li...> > > > > > Sent: Tuesday, December 17, 2002 10:13 AM > > > > > Subject: Re: Partial list of code for imagemap > > > > > > > > > > > > > > > > > > > > > > why would you write the image to a file? Alls you have to do is > place > > > the > > > > > chart into the > > > > > > HttpSession as in the example. > > > > > > > > > > > > > > > > > > > > > > > > --- Srini <sr...@le...> wrote: > > > > > > > Needs some help > > > > > > > > > > > > > > I modified to ChartServlet to render an already saved file from > the > > > > > previos > > > > > > > call. After rendering the chart I delete the file. Session > object is > > > > > used to > > > > > > > to create unique file name. This works fine consistently. > > > > > > > > > > > > > > For some browsers, I get the Imagemap html. jpeg file does not > > > showup. > > > > > > > My laptop windows 2000 works fine consistently. My desktop > windows > > > xp > > > > > does > > > > > > > not show jpeg. Where do I start debugging? > > > > > > > > > > > > > > Any help is appreciated > > > > > > > > > > > > > > Thanks > > > > > > > > > > > > > > > > > > > > > > > > > ===== > > > > > > An easy read on your Digital Rights Disappearing > > > > > [http://newsforge.com/newsforge/02/10/21/1449250.shtml?tid=19] > > > > > > Broadcast Protection Discussion Group [http://bpdg.blogs.eff.org/] > > > > > > Senator Hollings receives a pathetically piffling $278,534 to his > > > coffers > > > > > from the TV, movies and music businesses > > > > > [http://www.theinquirer.net/?article=4689] > > > > > > > > > > > > __________________________________________________ > > > > > > Do you Yahoo!? > > > > > > Yahoo! Mail Plus - Powerful. Affordable. Sign up now. > > > > > > http://mailplus.yahoo.com > > > > > > > > > > > > > > > > > > > > > > > ===== > > > > An easy read on your Digital Rights Disappearing > > > [http://newsforge.com/newsforge/02/10/21/1449250.shtml?tid=19] > > > > Broadcast Protection Discussion Group [http://bpdg.blogs.eff.org/] > > > > Senator Hollings receives a pathetically piffling $278,534 to his > coffers > > > from the TV, movies and music businesses > > > [http://www.theinquirer.net/?article=4689] > > > > > > > > __________________________________________________ > > > > Do you Yahoo!? > > > > Yahoo! Mail Plus - Powerful. Affordable. Sign up now. > > > > http://mailplus.yahoo.com > > > > > > > > > > > > > ===== > > An easy read on your Digital Rights Disappearing > [http://newsforge.com/newsforge/02/10/21/1449250.shtml?tid=19] > > Broadcast Protection Discussion Group [http://bpdg.blogs.eff.org/] > > Senator Hollings receives a pathetically piffling $278,534 to his coffers > from the TV, movies and music businesses > [http://www.theinquirer.net/?article=4689] > > > > __________________________________________________ > > Do you Yahoo!? > > Yahoo! Mail Plus - Powerful. Affordable. Sign up now. > > http://mailplus.yahoo.com > > > ===== An easy read on your Digital Rights Disappearing [http://newsforge.com/newsforge/02/10/21/1449250.shtml?tid=19] Broadcast Protection Discussion Group [http://bpdg.blogs.eff.org/] Senator Hollings receives a pathetically piffling $278,534 to his coffers from the TV, movies and music businesses [http://www.theinquirer.net/?article=4689] __________________________________________________ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com |