[ka-Map-users] Crash with Gmap demo

[Jeff McKenna]

hmm.  I just tried a fresh MS4W 2.1 with 4.9, and ka-map 0.2 but no error.

But thanks for the heads up.  I'll keep an eye out for the error.

jeff




Jeff Dege wrote:
> 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.


-- 
Jeff McKenna
DM Solutions Group Inc.
http://www.dmsolutions.ca