[Zope] Zope instance not serving website - Site Error

Fri Feb 3 10:56:24 UTC 2012

Am 02.02.2012 14:12, schrieb Matthew Moore:
> On 02/02/12 11:43, Sascha Gottfried wrote:
>> Matthew,
>>> Sascha,
>>>
>>>>
>>>> you probably need to know the concepts of Zope Through-the-web 
>>>> (TTW) and Filesystem (FS) Product Coding.
>>>> Some templates, scripts are in the ZODB and editable via ZMI - the 
>>>> recommended style for a not so recent Zope version is using FS Zope 
>>>> Products. Please identify the zope version by using the 
>>>> ZMI-ControlPanel.
>>> I'm reading up on the TTW and FS stuff.  Any articles/pages you 
>>> particulary recommend?
>>>
>> http://readthedocs.org/docs/collective-docs/en/latest/
>>
>>> I can't edit anything using the ZMI, when I click on the pages in 
>>> 'Content' I get the error message.
>>>
>>> The version line from the error log is this - 'Zope/(Zope 
>>> 2.9.4-final, python 2.4.3, linux2) ZServer/1.1 Plone/2.5'
>>>
>>>> Please compare the way you start the zope instance with the way 
>>>> your former colleague did it.
>>>
>>> I'm not sure what the previous guy did, but I've used the init 
>>> script (/etc/init.d/zope start) and the zopectl script in the bin/ 
>>> in the instance.  All methods of starting give the same errors.  I 
>>> have had to restart zope before now, and I've always used zopectl 
>>> and that's worked fine.  It's only since the server crashed it's not 
>>> worked.  I'd only used zopectl fg so I could see what was happening 
>>> on startup.  Currently the site (www.legulcerforum.org) is started 
>>> using the init script.
>>>
>>>> Identify if you are using a custom developed  Zope Product with 
>>>> templates and a 'main_template' and optionally a 'folder_listing' 
>>>> Zope Page Template or similar. Find them by searching in the 
>>>> filesystem ('Products' Folder is one option) and in the ZMI and 
>>>> tell us the location if you find them.
>>> I don't think it's custom, I've put a list of the Products directory 
>>> on pastebin:
>>>
>>> http://pastebin.com/cftnjbgZ
>>>
>>> I think it's pretty much just plone.
>>>
>> Please go for portal_skins tool in ZMI , identify the current skin 
>> and check that the chosen skin lists several layers. These layers 
>> consist of several FS Directory View belonging to several products 
>> and their skin directories.
>> If you are using Plone 2.5 use this book. There is also a HTML 
>> version free available in the web.
>> http://plone.org/documentation/kb/definitive-guide
>>
>> Consult the chapter about skinning Plone, the 'custom' folder and the 
>> setup of skins and layers.
>
> Thanks for all the links.
>
> I'm not 100% as to exactly which one is the skin that's in use, but 
> all of the folders in plone_skins do have files and folders in them.  
> The one that's most likely to be it (called custom and not changed 
> since 2006, which is when the site was installed).  Has all the logos, 
> a main_template (which looks ok as far as I can tell) and a css file 
> as well as a base_properties directory.
>
Now you are scratching below the surface. All folders in plone_skins are 
registered FS Directory Views (FSDV). The current plone skin layers a 
couple of skin folders to make them available to your Plone Site via 
Acquisition at portal root URL. If the 'custom' folder is not listed in 
the list of layers of your current skin - Plone probably can not find 
the 'main_template' by calling context.main_template(). Usually the 
'custom' folder is the topmost layer in a skin - what means that all 
resources in there a hiding resources with the same name. This way you 
can override the standard main_template ZPT shipped in in plone_skins.

Just another hint. Some run-time made configuration in ZMI is set back 
to default when you restart the Zope instance. That's why a backup will 
not always restore the a Plone site. That's why it is evil to do that - 
because it is not done in code on the file system - and you have to 
remember. Welcome to generic-setup stuff.

Please investigate and come back.

By the way - to get more specific support, consider to ask on 
'plone-users' mailing list. Check this list as another source of help. 
At current  state you can provide much detailed information regarding 
your error.
Cheers Sscha

> Cheers,
>
> Matthew
>
>
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