Thanks for the reply toolic
The PDFLib you suggested from CPAN is different from what I'm using. http://pdflib.com/
I apologize for putting up the whole code. The place where I'm getting the error is 
my $font = $pdfInstance->load_font("Helvetica", "winansi", "");
if ($font == 0)
{
    print LOGFILE ("\nERROR in creating font instance:", $pdfInstance-
+>get_errmsg());
    print "\nERROR in creating font instance\n\n";
}

[download]
Both the Print statements are printing out the custom error message I typed (i.e.,ERROR in creating font instance).
But the exception message coming from $pdfInstance->get_errmsg() is empty. Previously I got the file not found exception for pdflib.upr, which I fixed by using the resourcefile parameter available in pdflib. I added the font location in the upr file I mentioned above. But yet the code is failing.
The system I'm working on is AIX. I'm not sure whether the 'Helvetica' font is available in that environment. Could this be a reason?

Thanks

In reply to Re^2: Problem with PDFLIB barcode generation by sriram_perl_diver
in thread Problem with PDFLIB barcode generation by sriram_perl_diver

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.