[ZODB-Dev] ZEO cache bug? (again)

Chris Withers chris at simplistix.co.uk
Fri Aug 18 03:19:57 EDT 2006


Jim Fulton wrote:
> 
>> Jim Fulton wrote:
>>> On May 31, 2006, at 4:03 AM, Chris Withers wrote:
>>>>
>>>>   File "C:\Zope\2.9.2\lib\python\ZEO\cache.py", line 151, in setLastTid
>>>>     self.fc.settid(tid)
>>>>   File "C:\Zope\2.9.2\lib\python\ZEO\cache.py", line 1060, in settid
>>>>     raise ValueError("new last tid (%s) must be greater than "
>>>> ValueError: new last tid (244828509247418982) must be greater than 
>>>> previous one (244828509247418982)
>>>>
>>>> I see this intermittently...
>>> - Are there multiple ZEO clients involved?
>>
>> In the most common case there are two...
> 
> So you see this message.

If you mean the above traceback, then yes...

>  Does it prevent Zope from starting?

That was the impression I got, but I'm not 100%. Bear in mind here that 
"Zope" means something akin to a zopectl run script (but not actually 
zopectl run ;-) )

> Or Does Zope recover?

I have vague memories of seeing this on the full zope web client in this 
setup, but again, it's been a while so I'm not 100%. I'll try and get 
this happening again on the dev setup...

cheers,

Chris

-- 
Simplistix - Content Management, Zope & Python Consulting
            - http://www.simplistix.co.uk



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