[Zope] Mysterious Zope Run-time Error

[Michael Dunstan]

On 24/09/2004, at 1:04 AM, Asad Habib wrote:

> I have a variable called 'currentSessionError' that I have placed in 
> the
> SESSION attribute of the REQUEST object. I am having a problem making 
> the
> value of this variable persist when I run Zope with SSL. In particular,
> the value of this variable does not persist when I access a form(i.e. 
> DTML
> document) from a second form via a standard hypertext link. The value 
> of
> this variable clearly exists when the second form is being processed 
> but
> upon accessing the link, the value of this variable is reset to None. I
> have ascertained this by using
> <dtml-var "REQUEST.SESSION.get('currentSessionError')">
> in both forms.
>
> This is the only SESSION variable whose value does not persist when I 
> run
> Zope with SSL. I have numerous other variables in the SESSION that 
> work as
> expected. Also, when I run Zope without SSL, the value of this variable
> persists between the two forms. Has anyone come across a similar
> problem? Any help would be greatly appreciated. Thanks.

Are you trying to set 'currentSessionError' in an error handler like 
standard_error_message? Problem with doing that is transaction is never 
committed and so you wont see changes in further transactions. The 
interpretation of "never committed" depends on just which version of 
Zope your using.

michael