I think BTrees still have some bugs. 2.6.1 has a workaround for this very issue, or you can just replace the Transience package itself from CVS.
On Tue, 2003-02-18 at 17:01, Alan Runyan wrote: > Using Zope2.6.0 final on FreeBSD; Python 2.1.3 this is at iMeme. > Question: I thought I read Tim squashed most (all?) of the known > bugs in BTree's in 2.6. Is this true? Has anyone seen this? > > in a Product i'm using/wrote... we try to get the SESSION.getId() and > get a KeyError. Here is the traceback. I would appreciate > any feedback. Many thanks. > > # gc the stale buckets at the "beginning" of _data ("garbage collect") > # iterate over the keys in data that have no minimum value and > # a maximum value of delete_end (note: ordered set) > # XXX- fixme. range search doesn't always work (btrees bug) > > I believe it is the line after this that is throwing the exception > for k in list(data.keys(None, delete_end)): > > here was the exception: > > Site Error > > An error was encountered while publishing this resource. > > KeyError > Sorry, a site error occurred. > > > Traceback (innermost last): > > * Module ZPublisher.Publish, line 150, in publish_module > * Module ZPublisher.Publish, line 114, in publish > * Module Zope, line 171, in zpublisher_exception_hook > * Module ZPublisher.Publish, line 98, in publish > * Module ZPublisher.mapply, line 88, in mapply > * Module ZPublisher.Publish, line 39, in call_object > * Module Shared.DC.Scripts.Bindings, line 252, in __call__ > * Module Shared.DC.Scripts.Bindings, line 283, in _bindAndExec > * Module Products.PageTemplates.ZopePageTemplate, line 228, in _exec > * Module Products.PageTemplates.PageTemplate, line 95, in pt_render > <ZopePageTemplate at /cmf/public_website/index_html> > * Module TAL.TALInterpreter, line 186, in __call__ > * Module TAL.TALInterpreter, line 230, in interpret > * Module TAL.TALInterpreter, line 689, in do_useMacro > * Module TAL.TALInterpreter, line 230, in interpret > * Module TAL.TALInterpreter, line 459, in do_setLocal_tal > * Module Products.PageTemplates.TALES, line 217, in evaluate > URL: /cmf/main_template > Line 104, Column 4 > Expression: standard:'here/portal_commerce/getShoppingCartFor' > Names: > > {'container': <PloneFolder instance at 9372b00>, > 'default': <Products.PageTemplates.TALES.Default instance at 0x88bf9ec>, > 'here': <PloneFolder instance at 9372b00>, > 'loop': <SafeMapping instance at 905c0d0>, > 'modules': <Products.PageTemplates.ZRPythonExpr._SecureModuleImporter > instance at 0x88b392c>, > 'nothing': None, > 'options': {'args': ()}, > 'repeat': <SafeMapping instance at 905c0d0>, > 'request': <HTTPRequest, URL=http://www.dstoys.com/index_html>, > 'root': <Application instance at 903d080>, > 'template': <ZopePageTemplate at /cmf/public_website/index_html>, > 'traverse_subpath': [], > 'user': Anonymous User} > * Module Products.PageTemplates.Expressions, line 206, in __call__ > * Module Products.PageTemplates.Expressions, line 201, in _eval > * Module Products.PageTemplates.Expressions, line 108, in render > * Module Products.CMFCommerce.CommerceTool, line 260, in > getShoppingCartFor > * Module Products.CMFCommerce.ShoppingCartManagement, line 113, in > getShoppingCartFor > * Module ZPublisher.HTTPRequest, line 1189, in __getattr__ > * Module ZPublisher.HTTPRequest, line 1149, in get > * Module Products.Sessions.SessionDataManager, line 93, in getSessionData > * Module Products.Sessions.SessionDataManager, line 180, in > _getSessionDataObject > * Module Products.Transience.Transience, line 175, in new_or_existing > * Module Products.Transience.Transience, line 786, in get > * Module Products.Transience.Transience, line 599, in _getCurrentBucket > * Module Products.Transience.Transience, line 688, in _housekeep > > KeyError: 1045356900 (Also, an error occurred while attempting to render the > standard error message.) > > > _______________________________________________ > Zope-Dev maillist - [EMAIL PROTECTED] > http://mail.zope.org/mailman/listinfo/zope-dev > ** No cross posts or HTML encoding! ** > (Related lists - > http://mail.zope.org/mailman/listinfo/zope-announce > http://mail.zope.org/mailman/listinfo/zope ) _______________________________________________ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )