[Zope] http return code of standard_error_message

[Ulla Theiss]

Hello list,

what is in your opinion the best zopish way to raise input validation 
errors,
dublicate value errors, or other application errors I want to display to the
user?

Ulla

Peter Bengtsson wrote:
> Don't raise errors that cause 500 type HTTP error codes on input validation.
> It's not an error. It's a user input error.
>
> 2009/9/7 Ulla Theiss <u.theiss at eurodata.de>:
>   
>> Hallo list,
>>
>> because the application error messages like checks of input values
>> produce such error messages.
>> The browser "firefox" does display these messages, but the "Internet
>> Explorer" with the newest updates does not.
>> The "Internet Explorer" displays a own error message instead. Only if
>> you manipulate the flag "show friendly http error messages" the
>> body of standard_error_messages is *always* displayed. But  we think, it
>> would be difficult to  make shure that every user does this.
>>
>> Ulla
>>
>> Chris Withers wrote:
>>     
>>> Ulla Theiss wrote:
>>>       
>>>> Hello list,
>>>>
>>>> is there a possibility to send the standard_error_message with http
>>>> return code 200 (ok) instead of 500 (internal_server_error)?
>>>>         
>>> Why would you want to? That's in violation of several http specs...
>>>
>>> Chris
>>>
>>>       
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