Dinh Trung Viet wrote: > Hi all, > > I had a problem when trying to use Ape 1.0 in Zope 2.7 to store data in > MySQL database. I cannot add objects into the mount point portion (default > is '/sql'). Here is the trace back I found in log file: > > 2005-04-06T15:12:01 INFO(0) ZODB conflict error at > /sql/manage_addProduct/OFSP/manage_addImage (1 conflicts since startup at > 2005-04-06T15:08:45) > ------ > 2005-04-06T15:12:02 ERROR(200) ZODB Couldn't load state for '5' > Traceback (most recent call last): > File "C:\TestSites\APE\Products\Ape\lib\apelib\zodb3\connection.py", line > 359, in setstate > event = osio.deserialize(oid, obj, classification, state) > File "C:\TestSites\APE\Products\Ape\lib\apelib\core\io.py", line 160, in > deserialize > mapper.serializer.deserialize(event, state) > File "C:\TestSites\APE\Products\Ape\lib\apelib\core\serializers.py", line > 121, in deserialize > s.deserialize(event, state) > File "C:\TestSites\APE\Products\Ape\lib\apelib\zodb3\serializers.py", line > 291, in deserialize > s = u.load() > UnpicklingError: unpickling stack underflow > > I have no idea why. Everything works fine with filesystem storage. > Could anyone help?!
Two ideas: - MySQL without transaction support seems to cause this. Make sure your MySQL really supports transactions. - Maybe MySQL is truncating data. Add some code around line 291 that watches for an exception and prints what serializers.py was trying to load. Shane _______________________________________________ Zope-DB mailing list Zope-DB@zope.org http://mail.zope.org/mailman/listinfo/zope-db