question about program execution

[Paolo Galtieri]

I have a strange problem that I'm not quite sure what the issue is or how to
fix it.

I have a USB drive with a jar file and 2 text files on it.

If I have the drive mounted as /media/USB and I do the following:

cd /media/USB
java -jar myfile.jar

The program runs fine, and when I enter the name of the data file it finds
it in the local directory and all works well.

When I use the file browser and click my way to the same place and double
click on the jar file and enter the file name I get a file not found
exception from java.

Note I have setup nautilus so that when I open a jar file it runs java -jar
on that file.  This works and the program does execute.  However, rather
than looking for the file in the local directory which I would expect to be
/media/USB, since that is where I went to to run the program, it is looking
for the files in my home directory.  The only way I have managed to get
things to work is to copy the data files to my home directory before running
the program.  This seems strange to me.  Is this normal behavior or is this
some sort of security policy?

Any help is appreciated.

Thanks,
Paolo
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