Re[2]: [ZPatterns] Help

[Roché Compaan]

* Alexander Demidov <demidoff@vpcit.ru> [2003-07-24 06:58]:
> Hello Rob,
> 
> Thursday, July 24, 2003, 1:30:40 AM, you wrote:
> 
> RM> Alexander Demidov wrote:
> >> Hello everyone!
> >> 
> >> I need a help.
> >> I've stoped on "Create the Specialists" of "ZPatterns Howto" 
> >> http://www.zope.org/Members/upfront/zpatterns_howto.stx
> >> 
> >> " ... 
> >> 3. Browse to the Addresses Specialist, go to its Racks tab, browse to the 
> >> defaultRack and go its Storage tab. The time has come to marry the DataSkin 
> >> to its Rack. Select ContactDirectory: Address for the option "Class for 
> >> stored items". ..."
> >> 
> >> If I click "Storage tab", I am getting an error (See the attachment). All 
> >> products are installed properly, when I look at Products folder.
> 
> RM> hmmm... this doesn't look pretty, and it's not something i've seen over 
> RM> the last two years of zpatterns usage.  my first guess is that there is 
> RM> a corrupted object in the ZODB... perhaps you might consider deleting 
> RM> the specialist altogether and then attempting to recreate it.
> 
> RM> also, i notice references to ZClass modules in the traceback.  had you 
> RM> already created a DataSkin ZClass and associated it with this specialist 
> RM> before this error started occurring?  have you ever been able to access 
> RM> the Storage tab, or did this happen on your first attempt?
> 
> RM> -r
> 
> No, I have not ... It was my first click the Storage tab. I could not
> create any DataScin.
> 
> I gess ... can you tell me, what are versions both products of ZPatterns?
> I could download wrong version of them.
> 
> Thanks.

I think recompiling DynPersist will fix this problem. I got this error
once when I moved from Zope 2.5 to 2.6 and forgot to recompile
DynPersist.

-- 
Roché Compaan
Upfront Systems                 http://www.upfrontsystems.co.za