[Zope-dev] Re: [ZODB-Dev] Re: BTrees strangeness (was Zope 2.X BIG Session problems - blocker - our site dies - need help of experience Zope developer, please)

Michael Dunstan michael at looma.co.nz
Mon May 17 17:52:43 EDT 2004


On 18/05/2004, at 5:42 AM, Chris McDonough wrote:

> On Mon, 2004-05-17 at 13:06, Steve Jibson wrote:
>> Also of note:
>>
>> 1 - After having the system run for 45 minutes, I had 8 similar 
>> errors.
>>   Some were on different web pages and some had different "keys" that
>> were causing the error.
>> 2 - I have also traced through Z2.log and followed the same path 
>> through
>> the web site that produced one of the errors and I did not get an 
>> error.
>> 3 - Since changing this server to use FileStorage (1hr 39min ago), 
>> there
>> has not been a single error.
>>
>> Is there anything I can do to help here?
>
> A small reproducible test case would help if you still believe this
> error is not in your own application.

Looks like session data can expire prematurely. See attached files for 
small changes to the test rig that reports cases where 
context.session_data_manager.hasSessionData() is False.

Michael


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