[Zope3-Users] NotFound Exceptions

Marius Gedminas marius at gedmin.as
Wed Sep 17 14:37:27 EDT 2008

On Wed, Sep 17, 2008 at 10:18:49AM -0400, David Johnson wrote:
> We're having a Zope problem and I wonder if anyone has experience with  
> it.
> Basically, we're getting "NotFound" exceptions randomly. This occurs  
> at frequency around 10% of the time.  It does not matter which  
> component or view, and we're using a custom skin based upon the  
> Rotterdam skin.  We're using Zope 3.3.1.  The errors occur in all  
> applications within this one particular instance on one particular  
> server.
> I've included a traceback here:
>   http://jsa.pastey.net/96278

I bet you're seeing https://bugs.launchpad.net/zope3/+bug/98440.
Upgrade to zope.publisher 3.4.6 (or at least 3.4.4) and the problems
should be gone.

OTOH a conflict error for 10% of request seems very high.  Do you use
zope.annotation.factory?  If so, upgrade to zope.annotation 3.4.1; the
fix for https://bugs.launchpad.net/zope3/+bug/261620 stops it from
writing to __parent__/__name__ on every access.

Marius Gedminas
This is, or so I'm told, a classic book. I can see why. It is long and it
requires a great effort to finish it. If you go through a great effort to
suffer for a long time, you are allowed to sneer at people who can't be
bothered. That's the surest sign of classic art.
		-- Lars Wirzenius
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