[Zope] REQUEST.has_key() causes KeyError: aq_base ?

[Shriek@gmx.co.uk]

Sorry for the extra post. Just worked out that the "aq_base" error occurs
whenever I do a REQUEST.has_key() ~ please don't tell me this has been
deprecated!



> Have moved one of my sites over from Zope 2.1.6 to 2.4.3. Everything
> imported OK but viewing the site causes an error.  What does the following
> mean ?
> 
> Traceback (innermost last):
>   File /usr/local/Zope-2.4.3/lib/python/ZPublisher/Publish.py, line 223,
> in
> publish_module
>   File /usr/local/Zope-2.4.3/lib/python/ZPublisher/Publish.py, line 187,
> in
> publish
>   File /usr/local/Zope-2.4.3/lib/python/Zope/__init__.py, line 226, in
> zpublisher_exception_hook
>     (Object: CorporateInfo)
>   File /usr/local/Zope-2.4.3/lib/python/ZPublisher/Publish.py, line 171,
> in
> publish
>   File /usr/local/Zope-2.4.3/lib/python/ZPublisher/mapply.py, line 160, in
> mapply
>     (Object: index_html)
>   File /usr/local/Zope-2.4.3/lib/python/ZPublisher/Publish.py, line 112,
> in
> call_object
>     (Object: index_html)
>   File /usr/local/Zope-2.4.3/lib/python/OFS/DTMLMethod.py, line 199, in
> __call__
>     (Object: index_html)
>   File /usr/local/Zope-2.4.3/lib/python/DocumentTemplate/DT_String.py,
> line
> 546, in __call__
>     (Object: index_html)
>   File /usr/local/Zope-2.4.3/lib/python/OFS/DTMLMethod.py, line 192, in
> __call__
>     (Object: standard_html_header)
>   File /usr/local/Zope-2.4.3/lib/python/DocumentTemplate/DT_String.py,
> line
> 546, in __call__
>     (Object: standard_html_header)
>   File /usr/local/Zope-2.4.3/lib/python/DocumentTemplate/DT_Util.py, line
> 231, in eval
>     (Object: REQUEST.has_key('lc'))
>     (Info: REQUEST)
>   File <string>, line 2, in f
>     (Object: guarded_getattr)
>   File /usr/local/Zope-2.4.3/lib/python/AccessControl/DTML.py, line 101,
> in
> guarded_getattr
>     (Object: index_html)
>   File /usr/local/Zope-2.4.3/lib/python/AccessControl/ZopeGuards.py, line
> 122, in guarded_getattr
>   File /usr/local/Zope-2.4.3/lib/python/AccessControl/SecurityManager.py,
> line 149, in validate
>   File
> /usr/local/Zope-2.4.3/lib/python/AccessControl/ZopeSecurityPolicy.py,
> line 119, in validate
>   File /usr/local/Zope-2.4.3/lib/python/ZPublisher/HTTPRequest.py, line
> 897,
> in __getitem__
> KeyError: aq_base
> 
> 
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