[Zope] Long running process

Dieter Maurer dieter@handshake.de
Tue, 15 Jul 2003 23:04:53 +0200


Florian Reiser wrote at 2003-7-14 10:01 +0200:
 > ...
 > I want to compute and display large pdf reports over the web.
 > While computing the file, the browser times out.
 > So I followed the following howto on zope.org:
 > http://www.zope.org/Members/don/long_procces
 > 
 > Because I want to display the pdf file directly after processing,
 > my redirection page checks for a session variable called pdf
 > and returns the content of the variable as pdf file, if found,
 > else it returns a html page refreshing after 10 seconds.
 > 
 > While debugging, I've found out, that the variable never gets set,
 > when the browser times out, so the redirection page is looping forever
 > checking for the resulting pdf code.

But, your setup is to prevent a browser timeout.
Why does it still happen?


Zope notices a browser timeout only after it has computed
the complete response (few exceptions).
Therefore, it is highly unlikely that not-setting your
variable is caused by a browser timeout.


Dieter