[mapserver-dev] pink screen after activating several layers (mapserver version 6.2.0)

Donald mrdonald8000 at gmail.com
Fri Dec 4 04:04:40 PST 2015 

Found the problem. Query string has two many parameters. The request should
be done by post and not by get. Anyone knows a quick way to make mapserver
to make request by post instead of get ?

2015-12-04 9:49 GMT+00:00 Rahkonen Jukka (MML) <
jukka.rahkonen at maanmittauslaitos.fi>:

> Hi,
>
>
>
> Apache has a max size of the request string set to 8190 by default but it
> can be configured to some other value. Perhaps you should check that.
>
> http://httpd.apache.org/docs/2.0/mod/core.html#limitrequestline
>
>
>
>
>
> -Jukka Rahkonen-
>
>
>
> Donald wrote:
>
>
>
> I've tried your query on the URL copied from the browser console when I
> enable all the layers wich is:
>
>
>
>
>
> http://[my-ip]/cgi-
> bin/mapserv?MAP=%2Fvar%2Fwww%2Fhtdocs%2Fwebsig%2Fv5%2Ftmp%2Ftmp%2F0jtbdfs8dcivii2ugk0gmgf9g3.map&TRANSPARENT=FALSE&LAYERS=0cc6928e741d75e7a92396317522069e%2C11953163dd7fb12669b41a48f78a29b6%2Ca1ef52d000a69fe51471bfb2c5f33f2b%2C44f4d07f1c8299921e49ad583e6172ac%2C193aeff547d5ae031961a398f3d85103%2C436be651135fc8603fe1eebef755a414%2Ca189d1d6323604bf825894b367be53d8%2C56aac7f0dc0698c8fd1d78b5775cad8b%2C96291e7f00056d5fa2a29a7bb01a5c69%2C9c94ffae5dafd57bc0a5a9a74c33bda1%2Ce2cf648ae25fae6974151b3d8cfe1bd5%2Ca28656725f374cb3e71a201b531e80cd%2C8dc37d46aebc3afc7600e5ff3a98701e%2C8915c77907ad5fc844b6cac7fd4a36ca%2C7209f9f3fb9d9fe99ce4f89b9287fb53%2C35d0e2d968e9feccbca2e105770b7d1a%2C1ff33d2387634a2ba74bfd89e4fae299%2C499dd1b7fff1fe45c60c1e0327f31ac7%2C90542348786781a92dc3159edb3acaeb%2C8f1483fd43d37f2b201b6013cf560548%2Cc031bd271524cfaf3ca33d9a7cdd6963%2C3b51f0944a15a288a8f63a69184eefed%2Cbe0c65808c8b98930fd422c71f4eb503%2C214f89202b43814a91023650bcd7812e%2C466faab804ea25abe829be99d5e9bd62%2C67f56f1066f936643e650ab9abbe8782%2C98a38e6bc3df67b13c88f895b0475bda%2C1ceea623bcd09fd1c588eeab49348267%2C654d83ccc5d76820d377ca1ae5c1b1e7%2Cec66e23e08411ca94ac3140f8b092b32%2C7e87e2573bea6ca53812c110c8b3044f%2C86425ea19a3ef32b8e04bf17d99d7a46%2C6b8f11ea22cc3b3d21054af721405f74%2C1315d315bde3c15132bfe573c31f2e16%2C7504b254d644b0f91405e4fdddc19ae0%2C60cd83680a9c13ad66f64746a7017f5e%2C2bde0769323a37aaf488a8ea7925f80f%2C77404689d7440aaf8316d8ef916244cb%2C1bb0595cd85c6f555b1a421c714a70a2%2C55f5be4757a81d063e68ec307346ead8%2Cd9c9e5d87b555029cddd3ca66e016595%2C76534893b6a38e0b25f8140f1f580968%2Ce7e425d53704ee79df4fdd45e58bf4e6%2C61228e7887c83f5b85a0e781d5f3de2e%2C782d1a09faf16eee2bdf365b137c3aae%2C53766bdaf3f63849b506cb5191f961e7%2C40a0c0facfcdad4e0dc618e60ca9e413%2C2622ea890afbebb5521428fc07ba589b%2C15f3489c410bbc3dd881bb4b759acffb%2C5ce0ca293fb953c464dda085f538b782%2C7f927cda8670e1a6f507076d937850ed%2C65a5fed29aae278c485f89232901404c%2Cb47e509fd65154585d8e77ff11f03015%2C51505d09eb905e7248bf0fed77d2816d%2Cec4858f5b660a6df588e03c32f3e735e%2C7da04e3d53d8c5a62541bd5e42fa0672%2C34bf9aeb79753c6e872c0bd58f51c146%2C3daeb348a79430565833d5cd79fba92f%2C4a78403560ef86c4eea1a0b2573203b3%2C43b0ef7d354de97451c4c319cf9db3b5%2C7238ccb9e6c000e224e5454aa784080c%2C311beab01e8c21adb5a026229ecb839d%2C574b903a819d3fa92a1880f6622c9ab5%2C0e06dc3580edf9e4fc3f3dac76e76f71%2Cc02b5c894edff19a96b3422394c04911%2Cf9521e71f41095bc3ccf8021007cb023%2Cbbadaf32ecbe37b60628d0c230dc412f%2Cc7d53014f8da9740eae6afb8513f3ac4%2C709060ead0f67f018416c4fc035e2c3a%2C2b24c444b2c5fe58b1ffaec61f466d00%2C6719949fc8101ddeb59ed1b67512761e%2Cf7ffc9008d90fe6a9a15f796fad2b657%2C3ba8291855c46ebde15bb92a2a633aeb%2Ce75adec1484a3b03c3a79a27a10901e8%2C80b006c1ce5bf675b5590cfbb417abbe%2C47f5bb8284b4015e41c2e7c250d27543%2C35ce7d65b04081847b87b62a81e597b0%2C143a21bafc7707f9373794e1d2d827cf%2C4ec6eddc8d3c20a0b057b6ad8fc67d50%2Cf1159a1c807f13eec2bd7692ab1975b3%2C2059b13e67326286c4398f15782b43bb%2C8571dd34c9eea72bea2fe57c3d60eebc%2C933a3113365e0576c37383fc9f4dd248%2C22fd995384fdb060697414c52cd15b2f%2Cfffd934ee97bdb7d3c2c90ee19e3651c%2Cab27d90bf463cc0a3f264ec7b2ef8578%2Cfe412288e246b9db179a5252d963578a%2C587de9dc60af8a0a804647e9a534a7e0%2C62bf355cb6fa693e7346b9ce036b97a9%2C7adad602a8e6b21bea8b9a8f765a693a%2Cd3c0bd08ee26893f13cbdee1867092da%2Cbe0907ace4d9ca60c8117e11992f1d5a%2C6dd1992ff78e50d024020d02facd8080%2C13cf57a40ad01e563379e776cd04fc37%2Ca21b5f37cd84b6a519f2fc1f8ea28438%2C72d84e1c154562da0ad2655c8ab5234f%2Ca885eeb0ddd95becfd42ee3a7dcaec2b%2Cd57cf3418fa7038113584a393ff6b260%2Cb400d27e54ba06bffd875b6ff73680f8%2C4ed10cf7ef5fb0e73f9c43b2e5e3677a%2C08f16dbb49febf87e541b04407cf2174%2C59534f8c330d4c27d4a8875ba9155748%2Cb1ec86eb9b540dca4654cb9c610ccfa0%2Cbe34bbd1866b0e986ee9bd7107c36a31%2Ccef38aef772342ec503124046ad6a753%2C884d6ae8aafc603f1e8181103ee9b29c%2Cd7ede8e3595c31b88ca9bd673972ed86%2Cbc000578e49ba3a149c8bafa4560974c%2Cf0749ca842cb10ad3c018ce4ec2bcb2f%2C111bc1c0d5b441f0c89e7193ad20d72c%2C6c3fc16410795c0043c51c7203cf5ddf%2C2fc97b3183948688ff4b6b568081b4d9%2Ce28f27c2a1bb6d772b4f46badc754676%2Ca3f9786e1d897b30211ba252f4847209%2C14b2db52dffc5b6d7a936f4fdf8aa3e2%2C67dda89af34162c1a71a71e4275e7e56%2Cab99a810f6723e06e4558b64d41d6498%2Cc40cd16a3a97071d48ce70e644688e29%2C2c512def841aba91d2e9243aadd652ad%2Cc83ad544d048b82d40f977e00157d101&FORMAT=png&MAXEXTENT=29754.890054972%2C-218525.78697617%2C87631.601716573%2C-160649.07531457&GUTTER=0&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&SRS=EPSG%3A27492&RANDOM=0.6882094601169229&BBOX=-27150.262730475,-250353.85249421,163349.63439958,-138435.16293029&WIDTH=1440&HEIGHT=846
>
>
>
>
>
> I get from the command line a bunch of weird characters such as:
>
>
>
> 8$I*.}(Laà$©¸ô¡0
>
> C¤ÖÒWÀ
> I*³8$Iê+}cà$©¯ô}0C¤¾Ò÷À8IúJßã8$Iê+}cà$©¯ô}0C¤²ÒÇÀDIúJßã8$Iê+}cà$©¯ô}0C¤¾Ò÷À8I*³8$Iª,}"Ìbà$©²ô0C¤ÖÒWÀ
> IZK_       8$I*.}(Laà$©»ô­0C¤úÒç@?$IJ_
>
> å
>
> µ}443pH4§ôÝPËÀ!IÒÒw at -$IsJß
>
> µ*}:t2pH4ªôéÐÉÀ!IÒÒw at -$IsJß
>
> $
>
> ÍÍ)}7Ô2pH4§ôÝPËÀ!IÒÒG at 3$ICJ
>
> Í}443pH4¤ôÑÐÌÀ!IÒÒG at 3$ICJ
>
> Í}443pH4¤ôÑÐÌÀ!IÒÒG at 3$ICJ
>
> µ}443pH4§ôÝPËÀ!IÒÒw at -$IsJß
>
>  *}:t2pH4­ôõPÈÀ!IÒÌÒ7@$IcK=
>
> $
>
> /}L40pH4¿ô=gà$i~é{ ÎÀ!IÒüÒ÷@C¤ù¥ï     8$IÃK
>
> $M.}I0pH4§ôÝPËÀ!IÒ
>
>                   Ò@9$Iõ¥Ï~IºKß
>
> #ümVoÐMxÒzIEND®B`ngwebsig at websigv5:/usr/lib/cgi-bin$
> PuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTYPuTTuTTYPuTTYPuTTYTYP
>
>
>
> I checked the folder and the map file is there and is readable. I also
> tried the same command on a string that has no layers enabled and I get a
> clean response. I've copied the same project to localhost environment,
> enabled all the same layers and it worked fine. Could this be something
> related to the amount of variables passed in the URL ?
>
>
>
>
>
>
>
> 2015-12-03 18:42 GMT+00:00 Stephen Woodbridge <woodbri at swoodbridge.com>:
>
> Also, LAYERS=[layergroup] in your url does not look valid.
>
> -Steve
>
> On 12/3/2015 12:35 PM, Donald wrote:
>
> The number of layers of the mapfile is above 250.
> I get a error in the console of the browser when the pink screen shows.
> It's
> http://[myIP]/cgi-bin/mapserv?MAP=%2Fvar%2Fwww%2Fhtdocs%2Fwebsig%2Fv5%2Ftmp%2Ftmp%2F0olt4opvnq180qoiaukec1t6o2.map&TRANSPARENT=FALSE&LAYERS=[layergroup]&FORMAT=png&MAXEXTENT=29754.890054972%2C-218525.78697617%2C87631.601716573%2C-160649.07531457&GUTTER=0&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&SRS=EPSG%3A27492&RANDOM=0.6198567883111537&BBOX=-36556.702679255,-245546.77592733,153943.1944508,-133628.08636341&WIDTH=1440&HEIGHT=846
> *(net::ERR_EMPTY_RESPONSE) *
>
> The mapfile generated by mapserv exists in the tmp folder and the
> structure of the file is right. The map file generated has chmod 777 as
> well as the folder. Any help would be appreciated.
>
>
>
>
>
> 2015-12-03 14:35 GMT+00:00 Stephen Woodbridge <woodbri at swoodbridge.com
> <mailto:woodbri at swoodbridge.com>>:
>
>     Please reply to the list so everyone can benefit from the questions
>     and answers and there are a lot of other people that might have
>     input to the problem.
>
>     On 12/3/2015 5:35 AM, Donald wrote:
>
>         Hi Steve,
>
>         I don't believe that it is a problem with open layers. I tested
>
>
>     The point is to load the pink tile in a separate window so you can
>     view the error message and see why it failed.
>
>         individually one layer at a time and I could conclude that I got
> the
>         pink screen when a certain amount of activated layers are reached
>         regardless of the order. Do you know if mapserver has some
>         configuration
>         that restrict the number of layers to render or some
>         configuration about
>         memory limit to render the layers ?
>
>
>     No, I do not think this is the case. How many layers are in your
>     mapfile?
>
>     -Steve W
>
>         thanks
>
>         2015-12-02 16:28 GMT+00:00 Stephen Woodbridge
>         <woodbri at swoodbridge.com <mailto:woodbri at swoodbridge.com>
>         <mailto:woodbri at swoodbridge.com <mailto:woodbri at swoodbridge.com
> >>>:
>
>
>
>              On 12/2/2015 11:22 AM, Donald wrote:
>
>                  cheers,
>
>                  I have several layers that I can activate. When I
>         activate all
>                  at once I get
>                  a pink screen. If I activate a layer individually by
>         selecting
>                  one at a time
>                  I still get a pink screen even though some layers are
>         correctly
>                  drawn.  I
>                  checked the error log and I the last log line I have says
>                  "freeing map at
>                  0xa022230". To see the map again I have to unselect all
>         layers.
>
>                  Any thoughs on how to solve the problem ?
>
>
>              Mostly likely it is only one of some of the layers that are
>         having
>              an issue. So trying, selecting one layer at a time to
>         figure out
>              which layer is causing the problem.
>
>              Also a "pink screen" sounds like you are using OpenLayers
>         and the
>              pink is for a failure to render the image. In FireFox,
>         right click
>              on the pink image and select view image this image or copy
>         the image
>              url and paste it into a new tab/window and you might get an
>         error
>              message that would be helpful.
>
>              -Steve W
>
>              _______________________________________________
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>         mapserver-dev at lists.osgeo.org
>         <mailto:mapserver-dev at lists.osgeo.org>
>
>         <mailto:mapserver-dev at lists.osgeo.org
>         <mailto:mapserver-dev at lists.osgeo.org>>
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>
>
>
>
>
>
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