[Zope] Session Variables disappear

Dennis Allison allison at sumeru.stanford.EDU
Thu May 20 15:45:54 EDT 2004


Thanks Chris.  I'm a bit worried that moving to 2.7.X may be risky.  When
last I looked, not all the products we use had been vetted agains 2.7 and
Python 2.3.  At the current point in time, we cannot afford any downtime.


On Thu, 20 May 2004, Chris McDonough wrote:

> I do suggest running Zope 2.7.1 when it comes out to help solve the
> sessioning issues you're experiencing.  If you are in a hurry or you
> want to help test, you can run the current Zope 2.7 branch from CVS and
> provide feedback.
> 
> - C
> 
> 
> On Thu, 2004-05-20 at 13:52, Paul Winkler wrote:
> > On Thu, May 20, 2004 at 10:44:32AM -0700, Dennis Allison wrote:
> > > 
> > > Zope 2.6.2b3, Py 2.1.3, Linux
> > > 
> > > We use session variables everywhere and have a fairly large number of
> > > concurrent sessions.  Every so often the session variables go away and
> > > the whole house of cards collapses becasuse nearly everything depends upon
> > > session variables.
> > > 
> > > I tried a while back to isolate the problem without success.  At that time
> > > someone suggestedit was a known problem open problem.  I've just checked
> > > the collector and did not see any open issues there.  The frustrating
> > > thing is that it is the irreproducable Heissenbug behavior.
> > > 
> > > Can anyone shed additional light on the issue.  Is anyone else observing
> > > similar behavior?  Or is the problem something due to the way we are using 
> > > session variables.
> > 
> > Check the zope-dev list archives, session & transience issues have been 
> > under discussion a lot in the past few weeks. Chris McDonough and others 
> > have  been digging into it. I'm just a bystander, but it sounds likely that 
> > sessions in the 2.7.1 release will be much better, if not yet flawless.
> 
> 
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