[Zope3-Users] Re: Strange ZODB error - Solved: Zalchemy bug

Christian Zagrodnick cz at gocept.com
Thu Aug 9 11:21:57 EDT 2007


On 2007-08-09 16:27:23 +0200, Hermann Himmelbauer 
<dusty at qwer.tk> said:

> Am Donnerstag, 9. August 2007 15:44 schrieb Hermann Himmelbauer:
>> Hi,
>> After updating some z3c packages and changing some of my code, I receive a
>> very strange traceback from Zope3:
> 
> Ah, after fiddling around I found out that the "svn update" of the 
> zalchemy package resulted in this error. If somewhere in my code 
> zalchemy is used, the TypeError emerges. It seems that recently there 
> was a change to the zalchemy package (svn log):
> 
> ------------------------------------------------------------------------
> r78682 | zagy | 2007-08-08 10:53:01 +0200 (Mi, 08 Aug 2007) | 1 line
> 
> using the threadlocal strategy of sqlalchemy instead of creating one engine per
> thread. This allows connection pooling for instance.
> ------------------------------------------------------------------------
> 
> I reverted zalchemy to an older version an all is well again.

Interesting. I wonder why this happens. I'll try to reproduce.


-- 
Christian Zagrodnick

gocept gmbh & co. kg  ·  forsterstrasse 29 · 06112 halle/saale
www.gocept.com · fon. +49 345 12298894 · fax. +49 345 12298891





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