[mapserver-users] Re: Mapserver /tmp files appearing all of a sudden w/CONTEXT parameter used

[myOpenLayersUName]

Well, I've tried debugging Mapserver to figure this out and have learned a
couple of things...but I still haven't solved the problem re: why these tmp
files are suddenly appearing in the /tmp directory.

I thought perhaps that some debugging had gotten turned on somewhere to
cause those files to appear now, but learned, as I stepped through
mapcontext.c and maphttp.c that the context file is always written out in
this process. It's simply the "caching" location that dictates where.

So, I went looking around and determined that up until 2 weeks ago, these
files were being written to a directory called "ogc_tmp". That directory is
the one we point to with the IMAGEPATH/IMAGEURL parameters included in the
imagepath.inc.map file pointed to with this line in the wmsContextServer map
file: INCLUDE "../../../mapserv/conf/imagepath.inc.map" 

Its contents are:
IMAGEPATH "/data/nl18/httpd/htdocs/ogc_tmp/"
IMAGEURL "/ogc_tmp/"

I thought, perhaps, that all of sudden maybe the directory had changed or
something so now Mapserver couldn't find it from the location its defined at
in the mapfile, but when I cd into the directory that contains the
wmsContextServer.map file, I can do a directory listing of
"/data/nl18/httpd/htdocs/ogc_tmp/" and see the contents of the directory. I
went to the location of the Mapserver executable in /cgi-bin and did the
same and can see the directory from there also.

But, am I on the right track here? All the other temporary files continue to
be sent to the /ogc_tmp/ directory (image files, for example). It's only the
contexts that are being placed in the /tmp directory now. 

So, besides this IMAGEPATH setting (which doesn't appear to have changed
any, either in the wmsContextServer.map file or in the environment itself),
is there some other place that that ogc_tmp directory might be getting
specified? And when Mapserver is unable to find whatever place that other
place is telling it to find /ogc_tmp it's defaulting to /tmp? Would
Mapserver do that...default to /tmp if it can't find a specified location
for something?

I've been comparing source-controlled map files for days now trying to find
what's changed and is causing these files to suddenly appear in this new
location. If anyone can think of ANYTHING that might point me somewhere
useful, I would certainly appreciate it.

cheers,
jtm





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