[MS4W-Users] msValidateParameter(): Regular expression error. Parameter pattern validation failed.

[Jeff McKenna]

Hello,

I know validation became mandatory for runtime substitutions in MapServer
6.0, so this is a common question.  For examples, you might want to check
the associated ticket (https://github.com/mapserver/mapserver/issues/3522)
which refers to an example mapfile
(https://github.com/mapserver/msautotest/blob/c92a4a519de359f7105fea910506055b34eb106f/misc/runtime_sub.map).

I agree, validations are tricky.

-jeff



--
Jeff McKenna
MapServer Training & Consulting
www.gatewaygeomatics.com


> This might be more appropriate on the Mapserver list, but I saw a thread
> in
> the MS4W archives from June (
> http://lists.maptools.org/pipermail/ms4w-users/2012-June/002024.html) and
> wondered if there was ever a solution achieved.
>
> I'm trying to call mapserver CGI like so:
>
> http://localhost/cgi-bin/mapserv.exe?map=test.map&mode=itemquery&qformat=png24&layer=photos&layer=taxlots&qlayer=taxlots&qitem=TLID&qstring=1512274002201&mapext=shape&mapxy=shape&buffer=1500
>
> and I am getting a Regular expression error of:
>
> mapserv(): Web application error. Parameter 'qstring' value fails to
> validate. msValidateParameter(): Regular expression error. Parameter
> pattern validation failed.
>
> however, I've basically removed any complications (I thought) from the
> validation process by testing with:
>
> VALIDATION
>   'TLID'      '.'
> END
>
> and I still get the mapserver error.
>
> There is no error in the Apache error log. When I enable an MS_ERRORFILE I
> get the following in the log:
>
> [Wed Oct 03 09:11:51 2012].62000 msValidateParameter(): Regular expression
> error. Parameter pattern validation failed.
> [Wed Oct 03 09:11:51 2012].62000 mapserv(): Web application error.
> Parameter 'qstring' value fails to validate.
>
> I've successfully used this method in previous years, and in trying to
> figure out what had changed I went back and tested previous versions of
> MS4W (back to 2.3.1). Same result. So on my end I the only difference I
> can
> think of in my system is the fact that I am on Windows 7, whereas
> previously I was on XP.
>
> Any other ideas or obvious things I am not thinking of?
>
> Tanya
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