Re: [Zope] Upgrading Zope

2006-10-18 Thread Allen Schmidt Sr.
If you are using any zClass objects and have them cataloged, then you 
need to run a script against them to do the reindexing, as I found out 
that changed at 2.8.


Also if you are using DTML and using any sorting within dtml-in 
segments, you will need to patch a file. Pages that use sorting on 
dtml-in throw a weird error. The patch works fine but since it sounds 
like no one who maintains core Zope uses DTML, that bug probably won't 
get really fixed. There is an outstanding ticket open on it.


Those are the things I have found so far. We are on 2.7.5 and now that 
those issues are worked out we are working on our upgrade strategy.


Allen


Nightflyer wrote:


Hi All,
I've been asked to migrate an ancient Zope server from 2.1.x to the
latest 2.x or 3.x version.

This server only have a couple of applications, both using Z SQL Methods,
DHTML methods and documents, some products and some external methods. They
don't use ZPT or Script (python) at all.

I'd like to know if you think that such migration is feasible or if I'll
encounter some problems.

Do you think it is better to migrate to the latest version of the 2.x or 3.x
branch?

If you have any link on this subject is really appreciated.

Bye,

Andrew.

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Re: [Zope] Upgrading Zope

2006-10-18 Thread Philip Kilner
Hi,

Nightflyer wrote:
> I'd like to know if you think that such migration is feasible or if I'll
> encounter some problems.
> 
> Do you think it is better to migrate to the latest version of the 2.x or 3.x
> branch?
> 

>From 2.1.x to the latest 2.x should be feasible.

Zope 3.x is a rewrite with no upgrade path, so that's not an option.

The best route is probably to try it on a development server and report
back with any issues.

Which RDBMS are you using your ZSQL Methods against?


-- 

Regards,

PhilK

"Say what you mean. Bear witness. Iterate." —John M. Ford
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Re: [Zope] Upgrading Zope

2006-10-18 Thread Paul Winkler
On Wed, Oct 18, 2006 at 02:55:33PM +0200, Nightflyer wrote:
> Hi All,
>   I've been asked to migrate an ancient Zope server from 2.1.x to the
> latest 2.x or 3.x version.

http://zopewiki.org/Upgrading
 
-- 

Paul Winkler
http://www.slinkp.com
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Re: [Zope] Upgrading Zope

2006-10-18 Thread Andreas Jung



--On 18. Oktober 2006 14:55:33 +0200 Nightflyer <[EMAIL PROTECTED]> 
wrote:



Hi All,
I've been asked to migrate an ancient Zope server from 2.1.x to the
latest 2.x or 3.x version.

This server only have a couple of applications, both using Z SQL Methods,
DHTML methods and documents, some products and some external methods. They
don't use ZPT or Script (python) at all.


Nobody will promise you that a migration to the latest 2.X version will 
work. You install a new Zope instance and figure it out own our own. If 
there are problems, come back. Nobody knows what your application is doing 
so is bascially a trial-and-error game. Using only DTML and ZSQL 
methods...does not sound so impossible for a migration...just try it.




I'd like to know if you think that such migration is feasible or if I'll
encounter some problems.

Do you think it is better to migrate to the latest version of the 2.x or
3.x branch?



Zope 2 and Zope 3 are totally incompatible. Stick with the latest 2.X 
version unless you really want to migrate your code *manually* to the 
complete new architecture of Zope 3 (Z3 has no ZSQL methods - it has 
something similar but nothing that is compatible).


-aj

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