I think this is not hte problem since Ape creates the database tables and its columns from scratch. You only must create the database. Anyway, after inspecting the tables I show a lot of blob columns. -----Mensaje original----- De: Andy Dustman [mailto:farcepest@gmail.com] Enviado el: jueves, 18 de noviembre de 2004 18:33 Para: jcc@umd.es Asunto: Re: [Zope-dev] Zope-2.7.3, Ape-1.0+ (from cvs) and mysql 4.0.20 raises UnpicklingError What column type are you using in MySQL? I would expect that you need BLOB, but I have no experience with APE. On Thu, 18 Nov 2004 18:23:27 +0100, jcc@umd.es <jcc@umd.es> wrote:
Hi all,
I have spent over two days testing the Ape product, and all the time I
become the error UnpicklingError, unpickling stack underflow .
Here are my results:
- Using a filesystem database works fine. - Since mysql creates the tables as myisam (non-transactional) per default after some failed tests I tweaked the code, so that the tables
are created as InnoDB. - I have tried a fresh installed zope. - I have put some LOG statements into the code and here is the log:
------> 2004-11-18T18:00:58 INFO(0) ZODB conflict error at /sql/manage_addProduct/OFSP/addDTMLMethod (1 conflicts since startup at 2004-11-18T17:59:31) ------ 2004-11-18T18:00:59 INFO(0) apelib.zodb3.connection.setstate p = (dp1 S'class_name' p2 S'OFS.Folder.Folder' p3 sS'mapper_name' p4 S'folder' p5 s.(dp6 S'modtime' p7 L1100797193L sS'items' p8 (lp9 sS'id' p10 S'sql' p11 sS'security' p12 (lp13 (S'executable-owner' S'' S'' S'acl_users/jcoruna' tp14 a(S'local-role' S'Owner' S'' S'jcoruna' tp15 asS'remainder' p16 S"array('c')" p17 sS'properties' p18 (lp19 (S'title' p20 S'string' p21 S'' tp22 as. ------ 2004-11-18T18:00:59 INFO(0) zodb3.serializers.RemainingState.deserialize state = array('c') ------ 2004-11-18T18:00:59 ERROR(200) ZODB Couldn't load state for '5' Traceback (most recent call last): File
"/usr/lib/zope/lib/python/Products/Ape/lib/apelib/zodb3/connection.py",
line 360, in setstate event = osio.deserialize(oid, obj, classification, state) File "/usr/lib/zope/lib/python/Products/Ape/lib/apelib/core/io.py", line 160, in deserialize mapper.serializer.deserialize(event, state) File
"/usr/lib/zope/lib/python/Products/Ape/lib/apelib/core/serializers.py",
line 121, in deserialize s.deserialize(event, state) File
"/usr/lib/zope/lib/python/Products/Ape/lib/apelib/zodb3/serializers.py",
line 293, in deserialize s = u.load() UnpicklingError: unpickling stack underflow <------------
I think that the problem is that ape tries to unpickle the string "array('c')" and fails.
Any clues?
Sorry for the long post, but I think it's worth the length.
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