[ZODB-Dev] Cached object error while upgrading Plone

[Alexandru Plugaru]

Hello Martijn,

Actually for DirectoryViewSurrogate (see the second paste) that is not
the case since it subclasses OFS.Folder.Folder  - which is persistent.

Alex.

On 21 November 2011 21:13, Martijn Pieters <mj at zopatista.com> wrote:
> On Mon, Nov 21, 2011 at 18:40, Alexandru Plugaru
> <alexandru.plugaru at gmail.com> wrote:
>> I've got this error ( http://pastie.org/2898828 ) while upgrading from
>> plone3 to plone4. The context in which that error happens is this:
>> http://pastie.org/2898959
>
> DirectoryViews are part of the CMF skin machinery and are not meant to
> be persisted. Something that is persistent is referring to the
> DirectoryView (or perhaps a contained skin item) where it should not.
>
> --
> Martijn Pieters
>