[ka-Map-users] Crash with Gmap demo

[Jeff Dege]

Sorry.  I'm used to lists that set Reply-To: to the list server.

I tried MS4W 2.1 with the 4.9 upgrade package, and yes, I get the same
error.

So I backed up to just MS4W 2.1, without the 4.9 upgrade package, and
the problem disappeared.

> -----Original Message-----
> From: ka-map-users-bounces at lists.maptools.org 
> [mailto:ka-map-users-bounces at lists.maptools.org] On Behalf Of 
> Jeff McKenna
> Sent: Wednesday, August 09, 2006 11:49 AM
> To: ka-map-users
> Subject: Re: [ka-Map-users] Crash with Gmap demo
> 
> once again: please please please please please always respond to the
> mailing list.
> 
> I recommend you try MS4W 2.1 with the 4.9 upgrade package, and see if
> you get the same error.
> 
> jeff
> 
> 
> 
> Jeff Dege wrote:
> > MS4W 2.0 - with the MapServer 4.9 Upgrade.
> > 
> >> -----Original Message-----
> >> From: ka-map-users-bounces at lists.maptools.org 
> >> [mailto:ka-map-users-bounces at lists.maptools.org] On Behalf Of 
> >> Jeff McKenna
> >> Sent: Wednesday, August 09, 2006 10:47 AM
> >> To: ka-map-users
> >> Subject: Re: [ka-Map-users] Crash with Gmap demo
> >>
> >> As I said, please always respond to the list.
> >>
> >> Can you provide which exact MS4W version you are using? (2.1, or
> >> 1.5.5...kinda thing)
> >>
> >> jeff
> >>
> >>
> >> Jeff Dege wrote:
> >>> Same error, same place.
> >>>
> >>> Crashes with gmap75.map, does not with gmap75_wms.map. 
> >>>
> >>>> -----Original Message-----
> >>>> From: ka-map-users-bounces at lists.maptools.org 
> >>>> [mailto:ka-map-users-bounces at lists.maptools.org] On Behalf Of 
> >>>> Jeff McKenna
> >>>> Sent: Wednesday, August 09, 2006 7:08 AM
> >>>> To: ka-map-users
> >>>> Subject: Re: [ka-Map-users] Crash with Gmap demo
> >>>>
> >>>> well first you should be using gmap_ms4w_ms48.zip from the MS4W 
> >>>> downloads page: 
> >>>> http://www.maptools.org/ms4w/index.phtml?page=downloads.html
> >>>>
> >>>> and if you have the same problem please let the list know.
> >>>>
> >>>> jeff
> >>>>
> >>>>
> >>>>
> >>>> Jeff Dege wrote:
> >>>>> I'm trying to get the ka-map-0.2 demo running with gmap-ms46.
> >>>>>
> >>>>> I configured everything as described, and got a crash in 
> >>>> php-cgi.exe:
> >>>>>   The instruction at "0x77fcd977" referenced memory at 
> >> "0x00000038".
> >>>>> The memory could not be "written".
> >>>>>
> >>>>> Gmap-ms46 comes with a number of map files, so I tried editing
> >>>>> kamap\include\config.php to reference gmap75_wms.map, instead of
> >>>>> gmap75.map, and it worked.
> >>>>>
> >>>>> So made a copy of gmap75_wms.map (which worked), and did a 
> >>>> diff against
> >>>>> gmap75.map (which didn't) and proceeded to change one 
> >> line at a time
> >>>>> until I had the minimum difference that triggered the crash.
> >>>>>
> >>>>> There are two.
> >>>>>
> >>>>> In gmap75.map (which doesn't work), I find:
> >>>>>
> >>>>>   #
> >>>>>   # Start of web interface definition
> >>>>>   #
> >>>>>   WEB
> >>>>>     MINSCALE 2000000
> >>>>>     MAXSCALE 50000000
> >>>>>   #
> >>>>>   # On Windows systems, /tmp and /tmp/ms_tmp/ should be 
> >>>> created at the
> >>>>> root 
> >>>>>   # of the drive where the .MAP file resides.
> >>>>>   #
> >>>>>     IMAGEPATH "/ms4w/tmp/ms_tmp/" 
> >>>>>     IMAGEURL "/ms_tmp/"
> >>>>>   #  LOG "/tmp/gmap.log"
> >>>>>   END
> >>>>>
> >>>>>
> >>>>> In my gmap75_test.map (which does work), I have:
> >>>>>
> >>>>>   #
> >>>>>   # Start of web interface definition
> >>>>>   #
> >>>>>   WEB
> >>>>>     MINSCALE 2000000
> >>>>>     MAXSCALE 50000000
> >>>>>   #
> >>>>>   # On Windows systems, /tmp and /tmp/ms_tmp/ should be 
> >>>> created at the
> >>>>> root 
> >>>>>   # of the drive where the .MAP file resides.
> >>>>>   #
> >>>>>     IMAGEPATH "/ms4w/tmp/ms_tmp/" 
> >>>>>     IMAGEURL "/ms_tmp/"
> >>>>>   END
> >>>>>
> >>>>>   PROJECTION
> >>>>>     "init=epsg:42304"
> >>>>>   END
> >>>>>
> >>>>> If I remove the PROJECTION section from my gmap75_test.map, 
> >>>> I get the
> >>>>> crash.  Or if I add the commented-out LOG line in the WEB 
> >>>> section, I get
> >>>>> the crash.
> >>>>>
> >>>>> This is using a freshly-installed kmap_0.2_ms4w.zip and 
> >>>> gmap_ms46.zip.
> >>>>> On Windows, using the ms4w of Mapserver 4.9.
> >>>>>
> >>>>> It has all the signs of being a random memory stomp - 
> unitialized
> >>>>> variables, somewhere in the php executable or the 
> >> php_mapscript.dll.
> >>>>>
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