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Should I use a recent version of Zope 2?

 

 

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vimal at ucc

May 16, 2009, 8:54 AM

Post #1 of 3 (594 views)
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Should I use a recent version of Zope 2?

Dear all,
We had our original website setup on Zope-2.7.0-b2/Python-2.3.2. The
website had to be moved to a different server. In order to keep the
setup as similar as possible, Zope 2.8.7 was used with Python 2.3.4.
There were some issues recently due to which Zope cannot open a
connection to a gadfly database and reports it as corrupt with 'bad
marshal data' error in the logs. I found this to be a Python problem
rather than Zope as the same thing happens when trying to connect the
database using Python 2.3.4. The database however, can be opened with
newer versions of Python > 2.4.
The same error had occurred before in the logs but never caused much
downtime.
Hence we are considering using a newer version of Python for our
website.
Python 2.4 is supported from Zope 2.9.1 onwards. My question is should I
use 2.9 or use the more recent stable version 2.11.3? Will there be any
advantages/disadvantages?

Many thanks,
Vimal
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lists at zopyx

May 16, 2009, 9:02 AM

Post #2 of 3 (543 views)
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Re: Should I use a recent version of Zope 2? [In reply to]

On 16.05.09 17:54, Velayudhan, Vimalkumar wrote:
> Dear all,
> We had our original website setup on Zope-2.7.0-b2/Python-2.3.2. The
> website had to be moved to a different server. In order to keep the
> setup as similar as possible, Zope 2.8.7 was used with Python 2.3.4.
> There were some issues recently due to which Zope cannot open a
> connection to a gadfly database and reports it as corrupt with 'bad
> marshal data' error in the logs. I found this to be a Python problem
> rather than Zope as the same thing happens when trying to connect the
> database using Python 2.3.4. The database however, can be opened with
> newer versions of Python > 2.4.
> The same error had occurred before in the logs but never caused much
> downtime.
> Hence we are considering using a newer version of Python for our
> website.
>
Consider migrating your app from Gadfly to a *real* database e.g. SQLite,
Postgres or MySQL. Gadfly is basically nothing one would use in
a production environment.


> Python 2.4 is supported from Zope 2.9.1 onwards. My question is should I
> use 2.9 or use the more recent stable version 2.11.3? Will there be any
> advantages/disadvantages?
see above

-aj
Attachments: lists.vcf (0.31 KB)


vimal at ucc

May 17, 2009, 1:49 AM

Post #3 of 3 (535 views)
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Re: Should I use a recent version of Zope 2? [In reply to]

That solved the confusion. I wasn't aware that gadfly support has been
removed from later versions of Zope.

Thanks,
Vimal

-----Original Message-----
From: zopyxfilter[at]googlemail.com [mailto:zopyxfilter[at]googlemail.com] On
Behalf Of Andreas Jung
Sent: 16 May 2009 17:32
To: Velayudhan, Vimalkumar
Subject: Re: [Zope] Should I use a recent version of Zope 2?

Gadfly is old and unsupported and has been removed from Zope releases
ago.

-aj


On Sat, May 16, 2009 at 18:27, Velayudhan, Vimalkumar <vimal[at]ucc.ie>
wrote:


Thanks Andreas. We certainly wanted to migrate to PostgreSQL due
to
other problems with gadfly. At present, the website is being
used
continuously and I see no other way of fixing the issue quickly
other
than migrating to a higher version of Python. I am not sure how
long the
migration to PostgreSQL would take as I could not find any
method to
import a gadfly database into postgres.I am afraid I will have
to export
data from all the tables and import them back into Postgres and
change
the scripts using the connection.

-Vimal



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** No cross posts or HTML encoding! **
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