my $pathstr = join( '', $outputfiles, $invoice_data_ref{actual_invoice_id} );
my @cmdargs = ( 'java', '-jar', '/var/ww/helper_code/svg2pdf.jar',
                "$pathstr/master*.svg", "$pathstr/master.pdf" );

print join( ' ', 'command_str:', @cmdargs ), "\n";  # optional - just to check

$report_failure = system( @cmdargs );