Well, I found the problem and almost have a solution worked out.

It appears there's some issues between the version of ActivePerl being implemented on the NFS that we use and data being pulled from the DB. When I made a separate Perl script to pull from the DB and ran it using a fresh Perl install, things worked fine.

Unfortunately, a lot of other things are dependent on the version of Perl on the NFS. Not a huge issue, just going to leave the DB work in a separate Perl script and call it from a different version of Perl.

That being said, running into a small problem with passing arguments from the initial Perl script to the now separated one. Code below:

Initial Perl:

system('/usr/bin/perl /home/SQLtoXML.pl $source_id $OutputXMLDir');
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Perl script that is being called:

 my $PassedSource = $ARGV[0];
 my $FinalDir = $ARGV[1];
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Unfortunately, $PassedSource and $FinalDir are both ending up as null when the program runs. Am I just passing the 2 arguments incorrectly?

Thanks again for all the help. You've been wonderful.