[Lazarus] Web Module not works on Linux

[Joost van der Sluis]

On Sun, 2010-11-21 at 13:22 +0100, Michael Van Canneyt wrote:
> 
> On Sun, 21 Nov 2010, Mattias Gaertner wrote:
> 
> > On Sun, 21 Nov 2010 11:56:03 +0100 (CET)
> > Michael Van Canneyt <michael at freepascal.org> wrote:
> >
> >>
> >>
> >> On Sat, 20 Nov 2010, Joost van der Sluis wrote:
> >>
> >>> On Sat, 2010-11-20 at 21:07 +0100, Michael Van Canneyt wrote:
> >>>>
> >>>> On Sat, 20 Nov 2010, Joost van der Sluis wrote:
> >>>>
> >>>>> On Fri, 2010-11-19 at 23:31 +0100, michael.vancanneyt at wisa.be wrote:
> >>>>>>
> >>>>>> On Fri, 19 Nov 2010, silvioprog wrote:
> >>>>>>
> >>>>>>> Hi guys,
> >>>>>>>
> >>>>>>> Attached I send a project to reproduce the error. To reproduce the error,
> >>>>>>> adds in "cgitest.lpr" the directive:
> >>>>>>>
> >>>>>>> {$DEFINE SOLVES_ERROR}
> >>>>>>>
> >>>>>>> On Ubuntu-10.10 I receive this error:
> >>>>>>>
> >>>>>>> -------
> >>>>>>> Internal Server Error
> >>>>>>>
> >>>>>>> The server encountered an internal error or misconfiguration and was unable
> >>>>>>> to complete your request.
> >>>>>>>
> >>>>>>> Please contact the server administrator, webmaster at localhost and inform them
> >>>>>>> of the time the error occurred, and anything you might have done that may
> >>>>>>> have caused the error.
> >>>>>>>
> >>>>>>> More information about this error may be available in the server error log.
> >>>>>>> Apache/2.2.16 (Ubuntu) Server at localhost Port 80
> >>>>>>> -------
> >>>>>>>
> >>>>>>> In Windows (7) works normally.
> >>>>>>>
> >>>>>>> How can I fix this?
> >>>>>>>
> >>>>>>> PS. I'll need to use the unit Interfaces.
> >>>>>>
> >>>>>> Well, you can not use it in a CGI application.
> >>>>>> Interfaces is for GUI support. A CGI by definition has no GUI.
> >>>>>>
> >>>>>> It makes no sense to use it. Why would you need that ?
> >>>>>
> >>>>> For example to use the streaming mechanisms (lfm, resources)?
> >>>>
> >>>> You can perfectly use them without the interfaces unit.
> >>>> I do it all the time.
> >>>
> >>> I've looked into it again, why this was done. And it is for example
> >>> impossible to use an .lrs file without the lResources unit. Now this is
> >>> not needed anymore so this might have solved the problem.
> >>
> >> I know that you need the lresources unit.
> >> What I am saying is that you can just include the lresources unit,
> >> there is no need for the interfaces unit.
> >>
> >> I do it in all my projects. And they all use the 'old' lazarus resources,
> >> they all use the 'lresources' unit, none uses the interfaces unit.
> >
> > Note: The units Forms and Controls require the interfaces unit.
> > The Application.CreateForm is from the unit Forms.
> 
> Correct. But:
> 1. Web applications have their own application object.
> 2. Web applications have no use for CreateForm(). They don't have forms.
>     All modules are created dynamically.
> 
> If someone codes forms.application.createform() in a web or even console app, 
> then he is of course coding something totally wrong :-)

And how about DATA modules? 

Joost