[Mapserver-users] Internal Server Error / How can I check for errors?

[Dylan Keon]

Andreas,

Send along your mapfile and the output of 'mapserv -v'.



Andreas Delleske wrote:

> Hi there,
> 
> this is my second attempt to get an answer, although browsing through the docs and google didnt help till now:
> 
> I have a 4.0.1 mapserver running (besides the problem) fine on a debian sarge installation.
> 
> The only thing is that if tiff-images (for input) are involved, apache says "internal server error (500)" and the logfiles say nothing. This although the same tiff-maps worked fine on another installation of mapserver 3.6.5 on SUSE...
> 
> I assume the libraries must be in limbo...
> 
> How can I check whether everything is linked fine? How are the memory limitations? (This could be another possible source of trouble)
> 
> ldd mapserv gives:
>         libgd.so.2 => /usr/lib/libgd.so.2 (0x4001d000)
>         libjpeg.so.62 => /usr/lib/libjpeg.so.62 (0x40056000)
>         libfreetype.so.6 => /usr/lib/libfreetype.so.6 (0x40074000)
>         libpng12.so.0 => /usr/lib/libpng12.so.0 (0x400e2000)
>         libz.so.1 => /usr/lib/libz.so.1 (0x40106000)
>         libtiff.so.3 => /usr/lib/libtiff.so.3 (0x40117000)
>         libproj.so.0 => /usr/lib/libproj.so.0 (0x4015a000)
>         libgdal.so.1 => /usr/lib/libgdal.so.1 (0x4018c000)
>         libcurl.so.2 => /usr/lib/libcurl.so.2 (0x4051d000)
>         libssl.so.0.9.6 => /usr/lib/i686/cmov/libssl.so.0.9.6 (0x40549000)
>         libcrypto.so.0.9.6 => /usr/lib/i686/cmov/libcrypto.so.0.9.6 (0x40576000)
>         libdl.so.2 => /lib/libdl.so.2 (0x4062e000)
>         libm.so.6 => /lib/libm.so.6 (0x40631000)
>         libc.so.6 => /lib/libc.so.6 (0x40653000)
>         libpthread.so.0 => /lib/libpthread.so.0 (0x40786000)
>         libXpm.so.4 => /usr/X11R6/lib/libXpm.so.4 (0x407d8000)
>         libX11.so.6 => /usr/X11R6/lib/libX11.so.6 (0x407e7000)
>         libodbc.so.1 => /usr/lib/libodbc.so.1 (0x408ae000)
>         libxerces-c.so.21 => /usr/lib/libxerces-c.so.21 (0x40926000)
>         libmfhdf.so.4 => /usr/lib/libmfhdf.so.4 (0x40cee000)
>         libdf.so.4 => /usr/lib/libdf.so.4 (0x40d10000)
>         libungif.so.4 => /usr/lib/libungif.so.4 (0x40db0000)
>         libcfitsio.so.2 => /usr/lib/libcfitsio.so.2 (0x40db8000)
>         libstdc++-libc6.2-2.so.3 => /usr/lib/libstdc++-libc6.2-2.so.3 (0x40ef9000)
>         libssl.so.0.9.7 => /usr/lib/i686/cmov/libssl.so.0.9.7 (0x40f42000)
>         libcrypto.so.0.9.7 => /usr/lib/i686/cmov/libcrypto.so.0.9.7 (0x40f71000)
>         /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x40000000)
>         libltdl.so.3 => /usr/lib/libltdl.so.3 (0x41063000)
> 
> PNG, freetype goes well already.
> 
> Any hints? How can I debug such a case if no logfile output is generated?
>