Red Hat Bugzilla – Bug 145605
Uninitialized value in perl substitution when configuring HP DeskJet 3650
Last modified: 2007-11-30 17:10:58 EST
Description of problem: Using foomatic-configure to configure an HP DeskJet 3650 seems to work but displays a perl warning which doesn't look good. Version-Release number of selected component (if applicable): foomatic-3.0.2-3 cups-1.1.22-0.rc1.8.3 perl-5.8.5-9 How reproducible: All the time. Steps to Reproduce: 1. foomatic-configure -s cups -n deskjet-3600-2 -p HP-DeskJet_3650 -d hpijs Actual results: The following warning is displayed: Use of uninitialized value in substitution (s///) at /usr/lib/perl5/vendor_perl/5.8.5/Foomatic/DB.pm line 3427. The printer itself seems to be properly configured except that I do need to change the page size from A4 to Letter. Expected results: No output. Additional info:
I think line 3427 of that file needs to be changed to: $tmpl =~ s!\@\@IEEE1284\@\@!$ieee1284!g if $ieee1284; (i.e. add "if $ieee1284" before the semi-colon) Can you try that and see if it prevents the warning?
Yes, that makes the warning go away. Thanks.
Fixed in CVS. Thanks.
Tim, your fix caused another problem: If $ieee1284 is not defined (printer has no autodetection info supplied in its Foomatic XML file) the placeholder "@@IEEE1284@@" in the PPD file template is not replaced and so the placeholder stays in the final PPD file. Such a PPD file fails when run through "cupstestppd" and CUPS (1.1.19 or newer) does not accept it. So jobs do not get printed by CUPS. The correct way to fix the bug is to replace the line "my $ieee1284;" by "$ieee1284 = '';". Then the variable is always predefined even if no autodetection info will be found. This leads to the placeholder being replaced by an empty string without warning. I have fixed this on the Foomatic CVS now. See also http://www.linuxprinting.org/pipermail/hp-list/2005q1/006247.html
What information do you need in order to have the HP DeskJet 3650 autodetected? If it helps, it's a USB printer with: Vendor Identifier: 03F0 Product Identifier: 7204 Manufacturer String: hp Product String: deskjet 3600 Please let me know if you could use some more information.
Till: thanks, and sorry for breaking it. Dave: you need to open a separate bug report so that it can be tracked correctly. This bug report is for the uninitialized value warning. The information we need is the stuff that system-config-printer displays in the terminal when you run it in a terminal.
Fixed foomatic built in rawhide.