[Chameleon] Query Widget Bug?

Corey Puffalt cplists at gmail.com
Thu Mar 10 13:07:09 EST 2005


Will do... A question first, how can I turn on the logging for classes
that are using the Logger class?

Thanks,
Corey


On Thu, 10 Mar 2005 13:03:43 -0500, Paul Spencer
<pspencer at dmsolutions.ca> wrote:
> Corey,
> 
> I honestly think this is a problem in the postgis driver rather than a
> mapserver or chameleon problem.  Can you post the details on the
> mapserver list to see if any of the refractions guys respond?
> 
> Paul
> 
> Corey Puffalt wrote:
> > Paul,
> >
> > First a bit more information:  I have a number of layers that do not
> > exhibit this problem and a number that do.  All of these layers are
> > postgis layers... in fact, all the layers query the same table.  The
> > only difference is the FILTER parameter.  (Each layer differs in that
> > the data is specific to a particular company.)  The only difference
> > I've been able to identify between the layers that do work and the
> > ones that don't are where the geometry data is located (Canada vs. US
> > mostly)... the layers with lines in the US appear to have this eror.
> > I've discovered sometimes no error is printed in the pop-up query box
> > but what I get instead is a table with just the SHAPE_INDEX,
> > TILE_INDEX & LAYER_INDEX columns (the layer attributes are all
> > missing).  In both cases, the map in the map window fails to render
> > (broken image in the browser.)
> >
> > Mapscript is being used as a module AFAIK.  (Default FGS setup.)
> >
> > PHP:
> >
> >>./php4 -v
> >
> > PHP 4.3.10 (cgi) (built: Feb  9 2005 18:44:59)
> > Copyright (c) 1997-2004 The PHP Group
> > Zend Engine v1.3.0, Copyright (c) 1998-2004 Zend Technologies
> >
> > I notice that the MapQuery class extends Logger and uses it to log a
> > bunch of information.  How do I enable the logging and set the
> > filename appropriately?  Can I access this Logger and control it when
> > I initialize my Chameleon subclass?
> >
> > Thanks for your help,
> > Corey
> >
> > On Thu, 10 Mar 2005 12:28:16 -0500, Paul Spencer
> > <pspencer at dmsolutions.ca> wrote:
> >
> >>damn.  Thats exactly my version.
> >>
> >>do you know what layer is being queried when you get this error?  At the
> >>point that Chameleon gets to this line, MapScript has already reported a
> >>certain number of results and this code is the correct way to read the
> >>results AFAIK.
> >>
> >>A couple of thoughts/ideas/questions:
> >>
> >>* $oShape->free() should probably be called at the end of the loop (just
> >>before // end for loop)
> >>
> >>* what type of layer is being queried?  Is it, perchance, a postgis
> >>layer or some other spatial database layer?  My thought here is that the
> >>connection may be getting corrupted or timed out or something
> >>
> >>* are you using MapScript as a cgi or a module?
> >>
> >>* what version of PHP are you using
> >>
> >>I've also cc'd Daniel Morissette to see if there is anything in the
> >>MapServer core that would indicate why you would get this particular
> >>error message from this particular mapscript call.
> >>
> >>Cheers
> >>
> >>Paul
> >>
> >>Corey Puffalt wrote:
> >>
> >>>Yeah that's what I thought too... :P  I've left the chameleon stuff
> >>>untouched so it should be exactly what you have (at least as
> >>>distributed by the FGS project.)
> >>>
> >>>At any rate, I've attached the file... the line referred to seems to
> >>>be this one:
> >>>
> >>>            $oShape = $oLayer->getShape($oResult->tileindex,
> >>>                                                        $oResult->shapeindex);
> >>>
> >>>Corey
> >>>
> >>>On Thu, 10 Mar 2005 11:39:20 -0500, Paul Spencer
> >>><pspencer at dmsolutions.ca> wrote:
> >>>
> >>>
> >>>>Corey, this is strange.  That line in my copy of map_query is nowhere
> >>>>where this error could come from.
> >>>>
> >>>>Can you send me your map_query.php please.
> >>>>
> >>>>Paul
> >>>>
> >>>>Corey Puffalt wrote:
> >>>>
> >>>>
> >>>>>Hello...
> >>>>>
> >>>>>Every now and again I'm getting the following error appearing when
> >>>>>using the Query widget.  I'm not yet sure what's triggering the
> >>>>>problem though it does appear specific to certain queryable layers.
> >>>>>The following error message appears in the Query pop-up window:
> >>>>>
> >>>>>Fatal error: [MapServer Error]: msQueryByPoint(): No matching
> >>>>>record(s) found. in
> >>>>>/stuff/fgs-chameleon_2.0/apps/chameleon-2.0/htdocs/common/wrapper/map_query.php
> >>>>>on line 561
> >>>>>
> >>>>>Any ideas?
> >>>>>
> >>>>>Thanks,
> >>>>>Corey
> >
> > _______________________________________________
> > Chameleon mailing list
> > Chameleon at lists.maptools.org
> > http://lists.maptools.org/mailman/listinfo/chameleon
> >
> 
> --
> +-----------------------------------------------------------------+
> |Paul Spencer                           pspencer at dmsolutions.ca   |
> +-----------------------------------------------------------------+
> |Applications & Software Development                              |
> |DM Solutions Group Inc                 http://www.dmsolutions.ca/|
> +-----------------------------------------------------------------+
>


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