Perl version missmatch

deadpickle has asked for the wisdom of the Perl Monks concerning the following question:

I am trying to run a perl script using crontab as root. When I run it I get this error:

Can't locate Mail/Box/Manager.pm in @INC (@INC contains: /usr/lib/perl
+5/site_perl/5.8.8/i386-linux-thread-multi /usr/lib/perl5/site_perl/5.
+8.7/i386-linux-thread-multi /usr/lib/perl5/site_perl/5.8.6/i386-linux
+-thread-multi /usr/lib/perl5/site_perl/5.8.5/i386-linux-thread-multi 
+/usr/lib/perl5/site_perl/5.8.8 /usr/lib/perl5/site_perl/5.8.7 /usr/li
+b/perl5/site_perl/5.8.6 /usr/lib/perl5/site_perl/5.8.5 /usr/lib/perl5
+/site_perl /usr/lib/perl5/vendor_perl/5.8.8/i386-linux-thread-multi /
+usr/lib/perl5/vendor_perl/5.8.7/i386-linux-thread-multi /usr/lib/perl
+5/vendor_perl/5.8.6/i386-linux-thread-multi /usr/lib/perl5/vendor_per
+l/5.8.5/i386-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.8 /usr
+/lib/perl5/vendor_perl/5.8.7 /usr/lib/perl5/vendor_perl/5.8.6 /usr/li
+b/perl5/vendor_perl/5.8.5 /usr/lib/perl5/vendor_perl /usr/lib/perl5/5
+.8.8/i386-linux-thread-multi /usr/lib/perl5/5.8.8 .) at ./has-downloa
+d-0.1.pl line 3.
BEGIN failed--compilation aborted at ./has-download-0.1.pl line 3.
[download]

and with this:

This is perl, v5.10.0 built for i686-linux
[download]

and searching for Manager.pm returns:

/usr/local/lib/perl5/site_perl/5.10.0/Mail/Box/Thread/Manager.pm
[download]

With all of this it is obvious that perl versions in @INC and where the module is do not compare. My question here is, how do I fix this?

Comment on Perl version missmatch Select or Download Code

Replies are listed 'Best First'.
Re: Perl version missmatch by toolic (Bishop) on Jul 09, 2009 at 00:37 UTC
Nothing to do with Perl version, but your script is looking for `Mail/Box/Manager.pm`, not `Mail/Box/Thread/Manager.pm` What does the shebang (#!) line look like in your `./has-download-0.1.pl` script?	[reply] [d/l] [select]
Re^2: Perl version missmatch by deadpickle (Pilgrim) on Jul 09, 2009 at 00:41 UTC
Yah... that makes me feel like a fool. just below it /usr/local/lib/perl5/site_perl/5.10.0/Mail/Box/Manager.pm was returned. `#!/usr/bin/perl -w`	[reply] [d/l]
Re: Perl version missmatch by derby (Abbot) on Jul 09, 2009 at 01:23 UTC
To me it looks like you have two copies of perl on the box -- one at version 5.10 and one at 5.8. (your 'and with this' note is vague.). What does your cron line look like? Are you doing something like `perl path-to-script`? In that case, you may be picking up the wrong version of perl. Does it run fine as root but fails under root's cron? In that case, you have some environment variable being set (PERL5LIB) that is not visible under the minimal cron environment. -derby	[reply] [d/l]
Re^2: Perl version missmatch by deadpickle (Pilgrim) on Jul 09, 2009 at 01:48 UTC
Sorry: `[thor@updraft ~/Programs]$ perl -v This is perl, v5.10.0 built for i686-linux` [download] I tested two crontabs. 1. has-download-0.1.pl: returned the same error above. 2. perl has-download-0.1.pl: returned the same error above. This program runs fine just typing perl has-download-0.1.pl into a terminal. Not sure how to change the variable so that it is visible to cron. I also tried running the script in the background using: `#!/bin/csh at now << EOF ./has-download-0.1.pl EOF exit` [download] and received this in my mail: `Can't locate Mail/Box/Manager.pm in @INC` [download]	[reply] [d/l] [select]
Re^3: Perl version missmatch by deadpickle (Pilgrim) on Jul 09, 2009 at 03:22 UTC
Its definitely true that cron is using perl5.8.8 to execute my scripts. This is verified by the output: root@updraft thor]# perl5.8.8 -V @INC: /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi /usr/lib/perl5/site_perl/5.8.7/i386-linux-thread-multi /usr/lib/perl5/site_perl/5.8.6/i386-linux-thread-multi /usr/lib/perl5/site_perl/5.8.5/i386-linux-thread-multi /usr/lib/perl5/site_perl/5.8.8 /usr/lib/perl5/site_perl/5.8.7 /usr/lib/perl5/site_perl/5.8.6 /usr/lib/perl5/site_perl/5.8.5 /usr/lib/perl5/site_perl /usr/lib/perl5/vendor_perl/5.8.8/i386-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.7/i386-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.6/i386-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.5/i386-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.8 /usr/lib/perl5/vendor_perl/5.8.7 /usr/lib/perl5/vendor_perl/5.8.6 /usr/lib/perl5/vendor_perl/5.8.5 /usr/lib/perl5/vendor_perl /usr/lib/perl5/5.8.8/i386-linux-thread-multi /usr/lib/perl5/5.8.8 [download] Guess I'm going to have to do some research into why cron is using the old command perl5.8.8 and not the new one perl.	[reply] [d/l]
Re^4: Perl version missmatch by graff (Chancellor) on Jul 09, 2009 at 03:44 UTC
Re^5: Perl version missmatch by deadpickle (Pilgrim) on Jul 09, 2009 at 04:12 UTC
Some notes below your chosen depth have not been shown here
Re^3: Perl version missmatch by elTriberium (Friar) on Jul 09, 2009 at 23:46 UTC
Where is Perl 5.10 installed and where is 5.8.8 installed? Assuming that 5.10 is installed in /usr/bin/perl try this in the crontab file: `/usr/bin/perl has-download-0.1.pl` [download]	[reply] [d/l]
Re: Perl version missmatch by Anonymous Monk on Jul 09, 2009 at 00:33 UTC
Try `use lib '/usr/local/lib/perl5/site_perl/5.10.0/';` [download]	[reply] [d/l]