Public bug reported: I can see following in /var/log/munin/munin-graph.log and the generated html is referring to nonexisting files.
2013/01/16 07:20:09 [PERL WARNING] Use of uninitialized value in concatenation (.) or string at /usr/share/munin/munin-graph line 74. 2013/01/16 07:20:09 [PERL WARNING] Use of uninitialized value $graph_fh in <HANDLE> at /usr/share/munin/munin-graph line 75. 2013/01/16 07:20:09 [PERL WARNING] readline() on unopened filehandle at /usr/share/munin/munin-graph line 75. Description: Ubuntu 12.10 Release: 12.10 munin: Installed: 2.0.2-1ubuntu2.2 Candidate: 2.0.2-1ubuntu2.2 Version table: *** 2.0.2-1ubuntu2.2 0 500 http://us-east-1.ec2.archive.ubuntu.com/ubuntu/ quantal-updates/main amd64 Packages 500 http://security.ubuntu.com/ubuntu/ quantal-security/main amd64 Packages 100 /var/lib/dpkg/status 2.0.2-1ubuntu2 0 500 http://us-east-1.ec2.archive.ubuntu.com/ubuntu/ quantal/main amd64 Packages ** Affects: munin (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to munin in Ubuntu. https://bugs.launchpad.net/bugs/1100364 Title: Cron graph generating fails To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/munin/+bug/1100364/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs