Re: ConnectionStateError
Godefroid Chapelle <[email protected]>
| Newsgroups | gmane.comp.web.zope.devel |
|---|---|
| Message-ID | <[email protected]> |
Le 12/01/11 17:06, Hanno Schlichting a écrit : > On Wed, Jan 12, 2011 at 2:34 PM, Godefroid Chapelle<[email protected]> wrote: >> I understand that I should look for persistent objects stored in module >> or class level variables (which imply shared by threads and thus >> connections). Do not hesitate to tell me if this is a wrong explanation >> of the potential cause of ConnectionStateError. >> >> However, I wonder if some of you could give debugging techniques outside >> reviewing the code. Thanks for help from anyone. Once debugged, I'll blog how I found the bug. > Do you get the classic: "Shouldn't load state for %s when the > connection is closed" or one of the "The database connection is > closed" errors? > > In the first case you get the p_oid, which you can load from the > database to give you some clue on what class it is. I had no clue that the number in the error message was the p_oid. I could have found out by reading the code. Nevertheless, I propose to make the error message more self-explanatory. > Typical problems include using plone.memoize decorators on things > without knowing where exactly the cache is stored or as someone else > noted registering persistent objects in the global site manager > instead of the local one. The global one is of course just a module > global data structure in the end. > > Hanno -- Godefroid Chapelle (aka __gotcha) http://bubblenet.be _______________________________________________ Zope-Dev maillist - [email protected] https://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - https://mail.zope.org/mailman/listinfo/zope-announce https://mail.zope.org/mailman/listinfo/zope )