No problem. Just make sure you don't try to make isIE4 or the user session into member variables like I did. I did that a day or so ago for convenience and wasn't thinking.
-Matt > -----Original Message----- > From: Michael Wenczel [mailto:[EMAIL PROTECTED]] > Sent: Thursday, January 03, 2002 1:08 PM > To: [EMAIL PROTECTED] > Subject: RE: Servlet called multiple times solved > > > Thanks for sharing this Matt. I was just going down this road > (caching) > myself. This will save an afternoon or more. regards, mike > > > -----Original Message----- > From: Savino, Matt C [mailto:[EMAIL PROTECTED]] > Sent: Thursday, January 03, 2002 12:32 PM > To: '[EMAIL PROTECTED]' > Subject: Servlet called multiple times solved > > > Thanks to David Frankson and the other members of this board, I have > finally > fully solved the problem with IE calling FOP two or three > times problem. > The > first solution came from this: > > http://support.microsoft.com/support/kb/articles/Q293/7/92.ASP > > But if you read the fine print, you notice that IE only uses > user-agent=contype on the second hit. That still leaves the first and > third > hits calling FOP. There are some clues to tell the difference betweent > the > first and third hits, so I was trying to only return the full > PDF on the > third hit. The problem is that IE sometimes decides to be content with > only > one hit, and sometimes it decides to make all three. There is no > apparent > rhyme or reason to this decision. If you only return the > content-type on > the > first call when IE has decided to only make one call it just > sits there. > Anyway, the second part of the solution was to cache the PDF > byte-array > in > the user's session and return it on any subsequent hits on the first > pass. > As a key to test that the PDFs are truly the same, I use a counter in > the > query string which is the time in milliseconds. > > Anyway here's the code. As usual there's a bunch of extra stuff, but I > figure it may help. Please ask if you have any questions. > > -Matt > > <<ReportGeneratorServlet.java>> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, email: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, email: [EMAIL PROTECTED]
