Could not evaluate: undefined method `+' for nil:NilClass

[bastelfreak]

My zabbixserver/web node fails during a puppet run:

[root@zabbix01 ~]# puppet agent -t
Info: Retrieving pluginfacts
Info: Retrieving plugin
Info: Loading facts
Info: Caching catalog for zabbix01..de
Warning: Found multiple default providers for kernel_parameter: grub2, grub; using grub2
Info: Applying configuration version '1447769567'
Error: /Stage[main]/Zabbix::Resources::Agent/Zabbix_host[zabbix01..de]: Could not evaluate: undefined method `+' for nil:NilClass
Error: /Stage[main]/Zabbix::Resources::Web/Zabbix_host[loadbalancer1..de]: Could not evaluate: undefined method `+' for nil:NilClass
Error: /Stage[main]/Zabbix::Resources::Web/Zabbix_host[loadbalancer2..de]: Could not evaluate: undefined method `+' for nil:NilClass
Error: /Stage[main]/Zabbix::Resources::Web/Zabbix_host[clusternode3..de]: Could not evaluate: undefined method `+' for nil:NilClass
Error: /Stage[main]/Zabbix::Resources::Web/Zabbix_host[puppet-master1..de]: Could not evaluate: undefined method `+' for nil:NilClass
Error: /Stage[main]/Zabbix::Resources::Web/Zabbix_host[puppet-db1..de]: Could not evaluate: undefined method `+' for nil:NilClass
Error: /Stage[main]/Zabbix::Resources::Web/Zabbix_host[postgres01..de]: Could not evaluate: undefined method `+' for nil:NilClass
Error: /Stage[main]/Zabbix::Resources::Web/Zabbix_host[es1..de]: Could not evaluate: undefined method `+' for nil:NilClass
Error: /Stage[main]/Zabbix::Resources::Web/Zabbix_host[puppet..de]: Could not evaluate: undefined method `+' for nil:NilClass
Error: /Stage[main]/Zabbix::Resources::Web/Zabbix_host[clusternode4..de]: Could not evaluate: undefined method `+' for nil:NilClass
Error: /Stage[main]/Zabbix::Resources::Web/Zabbix_host[clusternode2..de]: Could not evaluate: undefined method `+' for nil:NilClass
Error: /Stage[main]/Zabbix::Resources::Web/Zabbix_host[puppet-master2..de]: Could not evaluate: undefined method `+' for nil:NilClass
Error: /Stage[main]/Zabbix::Resources::Web/Zabbix_host[clusternode1..de]: Could not evaluate: undefined method `+' for nil:NilClass
Error: /Stage[main]/Zabbix::Resources::Web/Zabbix_host[es3..de]: Could not evaluate: undefined method `+' for nil:NilClass
Notice: Finished catalog run in 10.73 seconds
[root@zabbix01 ~]#

His profile:

class profiles::zabbixserver {
  class {'::postgresql::globals':
    encoding            => 'UTF-8',
    locale              => 'en_US.UTF-8',
    manage_package_repo => true,
    version             => '9.4',
  }->
  class {'::postgresql::client': } ->
  class {'::zabbix::server':
    zabbix_version    => '2.4',
    database_host     => '10.111.2.51',
    database_name     => 'zabbixdb',
    database_user     => 'zabbix',
    database_password => 'foo',
  }
  class {'::zabbix::web':
    manage_vhost          => false,
    zabbix_timezone       => 'Europe/Berlin',
    manage_resources      => true,
    database_host         => '10.111.2.51',
    database_name         => 'zabbixdb',
    database_user         => 'zabbix',
    database_password     => 'foo',
    zabbix_server         => '10.111.2.50',
    zabbix_api_user       => 'Admin',
    zabbix_api_pass       => 'foo',
    zabbix_package_state  => 'latest',
    zabbix_version        => '2.4',
  }
}

Agent profile:

  class { '::zabbix::agent':
    server                => '10.111.2.50',
    zabbix_package_state  => 'latest',
    zabbix_version        => '2.4',
    manage_resources      => true,
  }

Running everything on CentOS 7, do you have any ideas why this is failling?

[bastelfreak]

The webserver wasn't running successfully, I fixed that and now the error is gone.

[Sher-Chowdhury]

Hi Bastelfreak,

I'm getting the same error message. Can you recall what you did to get the webserver running successfully?