[zope2-tracker] [Bug 372632] Re: zope 2.12.0b1 does not use standard_error_message

David Glick dglick at gmail.com
Wed Jul 15 00:42:00 EDT 2009

There is still a regression in this code compared to 2.10.  In 2.10, an
Unauthorized exception raised while publishing an object ended up being
re-raised by SimpleItem's raise_standardErrorMessage, then caught by the
general exception handler in ZPublisher/Publish.py's
publish_module_standard, which resulted in calling
request.response.exception()...this is where PluggableAuthService's
'challenge' plugin hooks in, which is the mechanism by which, in Plone
at least, accessing an unauthorized object results in a redirection to
the login screen.

In Zope 2.12.0b3, raise_standardErrorMessage determines that the
handle_errors flag is True, so it returns the rendered
standard_error_message rather than reraising the error...so that is what
the response renders and it never gets a chance to process the

I don't understand the purpose of why the handle_errors flag was added
in the first place, so I'm having a hard time figuring out the correct
way to test and resolve this.  Can anyone shed some light on it?

zope 2.12.0b1 does not use standard_error_message
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