[ZODB-Dev] Using ZEO 2.1b2 with Zope 2.5.1?

[Jeremy Hylton]

On Tue, 2003-07-08 at 14:00, fzachman wrote:
> Sorry if this question is really obvious, but I've hunted on google, the
> list archives, forums and even tried asking in the zope chat room on
> freenode (ha! good luck getting a response there)...
> 
> Anyways, is it possible to use ZEO 2.1b2 with Zope 2.5.1?  And if so,
> can someone please point me to documentation on how to upgrade?

I haven't tried to mix the two.

> It seems to me from my initial testing that 2.1b2 is pretty intimately
> tied to ZODB3.1x, which of course Zope 2.5.1 doesn't use.  Do I need to
> merely install ZODB3.1 to give the ZEO code access to it, or do I need
> to actually upgrade my Zope instance to use ZODB3.1.  Is the latter even
> possible?

It's hard to mix ZODB 3.1 and Zope 2.5, because the C layout of
Persistent objects changed between those releases.  It may be possible
to re-compile all your C extensions against the ZODB 3.1 headers, but
I'd be nervous about compatibility.

Jeremy