Changes between Version 7 and Version 8 of DebuggingMapserver


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Timestamp:
Jan 27, 2009, 1:36:31 PM (15 years ago)
Author:
jmckenna
Comment:

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  • DebuggingMapserver

    v7 v8  
    22
    33   1. Use [http://www.mapserver.org/utilities/shp2img.html shp2img] from the commandline to test your map file if possible. It is often much easier to debug problems without the extra complications of the web environment.
    4    2. Turn on debugging. As of !MapServer 5.0 the [http://www.mapserver.org/mapfile/map.html MAP], and [http://www.mapserver.org/mapfile/layer.html LAYER] objects have a DEBUG keyword. If you include a DEBUG keyword in objects giving problems following by a greater than zero number, then various debugging output about the map, layer or class may be generated.
     4   2. Turn on debugging. As of !MapServer 5.0 the [http://www.mapserver.org/mapfile/map.html MAP], and [http://www.mapserver.org/mapfile/layer.html LAYER] objects have a DEBUG keyword. If you include a DEBUG keyword in objects giving problems following by a greater than zero number, then various debugging output about the map, layer or class may be generated.  See [http://www.mapserver.org/development/rfc/ms-rfc-28.html RFC28] for more info.
    55   3. Some additional debugging can be turned on from GDAL and OGR by setting the CPL_DEBUG environment variable to on. Similarly additional PROJ.4 debug info can be produced by setting PROJ_DEBUG to ON.
    66   4. The MS_ERRORFILE environment variable can be set to a path (or "stdout" or "stderr") to have all errors handled within MapServer to a logfile or console. This can be helpful, especially for situations where the error is otherwise ignored, or doesn't get all the way back to the client.