Patch applied and the first results are in... so far its a lot of these:

2003-03-13T15:18:07 PROBLEM(100) Transience KeyError raised in get,
checking _data BTree
------
2003-03-13T15:18:07 PROBLEM(100) Transience BTree check succeeded


Chris McDonough wrote:

> Hi John,
> 
> Can you apply the attached diff to your Transience.py file and run with
> it in place for a couple of days?  It will not fix the problem (the
> symptoms will remain) but it should print some diagnostic information to
> the Zope event log (the STUPID_LOG_FILE, hopefully you've got that
> going) that will help us track down what this might be.
> 
> Once you notice it happen, send the relevant parts of your logfile to me
> and I will see if I can analyze it.
> 
> - C
> 
> 
> 
> 
> On Thu, 2003-03-13 at 15:19, John Eikenberry wrote:
> > 
> > Sorry, its Zope 2.6.1.
> > 
> > Chris McDonough wrote:
> > 
> > > John,
> > > 
> > > Which Zope 2.6?  Zope 2.6.1?  Here's what line 807 of the current
> > > Transience.py looks like:
> > > 
> > >                 v = self._data[b].get(k, notfound)
> > > 
> > > Does yours look like that?
> > 
> > Yes.
> > 
> > > What is the value of the __version__ variable at the top of the
> > > Transience.py file?
> > 
> > __version__='$Revision: 1.28.6.4 $'[11:-2]
> > 
> >  
> > > On Thu, 2003-03-13 at 07:11, John Eikenberry wrote:
> > > > Since upgrading to Zope-2.6 we've been getting KeyErrors when using
> > > > Sessions. They seem to happen more now that we've started using
> > > > hasSessionData(), but I'm pretty sure they happened prior to that.
> > > > 
> > > > Anyways, here are the 2 related tracebacks. Has anyone else seen these?
> > > > 
> > > > Traceback #1 occurs most frequently. The KeyError's value is an unprintable
> > > > string of non-ascii characters.
> > > > 
> > > > * Module ZPublisher.Publish, line 150, in publish_module
> > > > * Module ZPublisher.Publish, line 114, in publish
> > > > * Module The application server.App.startup, line 182, in
> > > >   zpublisher_exception_hook
> > > > * Module ZPublisher.Publish, line 98, in publish
> > > > * Module ZPublisher.mapply, line 88, in mapply
> > > > * Module ZPublisher.Publish, line 39, in call_object
> > > > * Module App.special_dtml, line 61, in __call__
> > > > * Module DocumentTemplate.DT_String, line 474, in __call__
> > > > * Module Products.Transience.Transience, line 342, in nudge
> > > > * Module Products.Transience.Transience, line 467, in _getCurrentBucket
> > > > * Module Products.TemporaryFolder.LowConflictConnection, line 34, in
> > > >   setstate
> > > > * Module Products.TemporaryFolder.TemporaryStorage, line 94, in load
> > > > KeyError:
> > > > 
> > > > Traceback #2 happens less frequently, though today it seemed like it was
> > > > trying to catch up (3 of these today).
> > > > 
> > > > * Module ZPublisher.Publish, line 98, in publish
> > > > * Module ZPublisher.mapply, line 88, in mapply
> > > > * Module ZPublisher.Publish, line 39, in call_object
> > > > * Module OFS.DTMLMethod, line 126, in __call__
> > > > * Module DocumentTemplate.DT_String, line 474, in __call__
> > > > * Module Products.DotOrg.Pages.KContent, line 149, in __call__
> > > > * Module Products.DotOrg.Pages.KContent, line 194, in getEditInfo
> > > > * Module Products.DotOrg.Pages.KContent, line 506, in hasSessionData
> > > > * Module Products.Sessions.SessionDataManager, line 101, in hasSessionData
> > > > * Module Products.Sessions.SessionDataManager, line 175, in
> > > >   _hasSessionDataObject
> > > > * Module Products.Transience.Transience, line 838, in has_key
> > > > * Module Products.Transience.Transience, line 807, in get
> > > > 
> > > > KeyError: 1047409860 
> > > > 
> > > > 
> > > > -- 
> > > > 
> > > > John Eikenberry [EMAIL PROTECTED]
> > > > ______________________________________________________________
> > > > "A society that will trade a little liberty for a little order
> > > >  will deserve neither and lose both."
> > > >                                           --B. Franklin
> > > > 
> > > > _______________________________________________
> > > > Zope-Dev maillist  -  [EMAIL PROTECTED]
> > > > http://mail.zope.org/mailman/listinfo/zope-dev
> > > > **  No cross posts or HTML encoding!  **
> > > > (Related lists - 
> > > >  http://mail.zope.org/mailman/listinfo/zope-announce
> > > >  http://mail.zope.org/mailman/listinfo/zope )
> > > 
> > > 
> > 
> > -- 
> > 
> > John Eikenberry [EMAIL PROTECTED]
> > ______________________________________________________________
> > "A society that will trade a little liberty for a little order
> >  will deserve neither and lose both."
> >                                           --B. Franklin
> > 
> > _______________________________________________
> > Zope-Dev maillist  -  [EMAIL PROTECTED]
> > http://mail.zope.org/mailman/listinfo/zope-dev
> > **  No cross posts or HTML encoding!  **
> > (Related lists - 
> >  http://mail.zope.org/mailman/listinfo/zope-announce
> >  http://mail.zope.org/mailman/listinfo/zope )
> 

> ? btreecheck.diff
> ? kedaipatch
> Index: Transience.py
> ===================================================================
> RCS file: /cvs-repository/Zope/lib/python/Products/Transience/Transience.py,v
> retrieving revision 1.28.6.4
> diff -r1.28.6.4 Transience.py
> 34a35
> > from BTrees.check import check, display
> 45a47
> > from cStringIO import StringIO
> 807c809,830
> <                 v = self._data[b].get(k, notfound)
> ---
> >                 try:
> >                     v = self._data[b].get(k, notfound)
> >                 except KeyError:
> >                     LOG('Transience', WARNING,
> >                         'KeyError raised in get, checking _data BTree')
> >                     try:
> >                         check(self._data)
> >                         LOG('Transience', WARNING,'BTree check succeeded')
> >                     except:
> >                         # BTree check failed
> >                         oldstdout = sys.stdout
> >                         tmp = StringIO()
> >                         try:
> >                             sys.stdout = tmp
> >                             display(self._data)
> >                             tmp.seek(0)
> >                             LOG('Transience', WARNING,'BTree check failed',
> >                                 tmp.read(), error=sys.exc_info())
> >                             tmp.close()
> >                         finally:
> >                             sys.stdout = oldstdout
> >                     raise


-- 

John Eikenberry [EMAIL PROTECTED]
______________________________________________________________
"A society that will trade a little liberty for a little order
 will deserve neither and lose both."
                                          --B. Franklin

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