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Dieter Maurer wrote:
> Aleksey Tsalolikhin wrote at 2009-3-28 21:57 -0700:
>> I recently migrated from Zope 2.7.8 to 2.10 and am now seeing
>> this error in my event.log:
>>
>>
>> 2009-03-28T21:15:52 ERROR root Exception while rendering an error message
>> Traceback (most recent call last):
>> File "/usr/lib/zope/lib/python/OFS/SimpleItem.py", line 225, in
>> raise_standardErrorMessage
>> v = s(client, REQUEST, **kwargs)
>> File "/usr/lib/zope/lib/python/OFS/DTMLMethod.py", line 144, in __call__
>> r=apply(HTML.__call__, (self, client, REQUEST), kw)
>> File "/usr/lib/zope/lib/python/DocumentTemplate/DT_String.py", line
>> 476, in __call__
>> try: result = render_blocks(self._v_blocks, md)
>> Unauthorized: You are not allowed to access 'standard_html_header' in
>> this context
>>
>> What does it mean? How do I fix it, please?
>>
>> I am new to Zope.
>>
>> I copied the Web app by export from the old server and import to the new one.
>
> Activate "verbose security" in your Zope configuration file
> (you need to activate "verbose security" and set the "security-implementation"
> to "python" -- the comment in the Zope configuration file will explain
> the details).
> Reconfigure your "error_log" (the "error_log" object in the root folder
> of the ZMI (Zope Management Interface)) to not ignore "Unauthorized"
> exceptions
> and then try to reproduce the problem. The traceback in the "error_log"
> will then tell you quite precise reasons for 'Unauthorized' problems).
>
>
> Unfortunately, your current problem will not directly show up in the
> "error_log". The log entry tells you about a secondary problem.
> Due to a primary problem (this will show up in "error_log") the
> "standard_error_message" was called and it produces a secondary problem
> (logged above but not shown in "error_log", even after reconfiguration).
>
> As always in situations where exceptions are caught it is quite
> difficult to analyse the exception. I would know how to approach
> such a task (it involves debugging Zope, either with a
> development IDE (my colleagues like much the commercial (!) WingIDE;
> Eclipse with the "py_dev" extension may do as well) or with
> Pythons debugger ("pdb" or my "dm.pdb.zpdb" extension)).
> But this is not easy and I do not know whether I should recommend it
> to someone new to Zope.
>
>
> The alternative:
> obviously, you have a protected "standard_html_header".
> Try to locate it and unprotect it (you learn about protection
> and how to unprotect in the Zope Book (2.7 edition, on "plope.org").
Just a guess: the 'standard_html_header' template is owned by a user
who is no longer present in your user folder.
Tres.
- --
===================================================================
Tres Seaver +1 540-429-0999 tsea...@palladion.com
Palladion Software "Excellence by Design" http://palladion.com
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