Nagios 3, Bogus(?) "host could not be found" problem

Dale J. Chatham dale at chatham.org
Tue Nov 4 15:53:02 CET 2008


This was an issue with either the library search path or a compile 
problem that a recompile fixed.



Dale J. Chatham wrote:
> I'm getting the following log messages.  Below are the configuration 
> items and below all are the appropriate entries from objects.cache.
>
>
>
>  From /var/log/messages:
>
> Nov  3 10:00:34 coresvc05 nagios[12217]: [ID 702911 user.info] Warning: 
> Check result queue contained results for host 'vio', but the host could 
> not be found!  Perhaps you forgot to define the host in your config files?
>
> define service{
>     service_description                PING
>     check_command                      check_ping
>     use                                all_hosts,generic_service
> }
>
>
> define service{
>     host_name                          *
>     name                               all_hosts
>     register                           0
> }
>
>
> define service{
>     name                               generic_service
>     max_check_attempts                 3
>     normal_check_interval              10
>     retry_check_interval               5
>     active_checks_enabled              1
>     check_period                       24x7
>     notification_interval              600
>     notification_period                24x7
>     notification_options               w,c,r
>     notifications_enabled              1
>     register                           0
> }
>
> define host {
>     host_name                      vio
>     alias                          vio
>     address                        xxx.yyy.zzz.114
>     use                            generic_host,linux_host
> }
>
> define host {
>     name                           generic_host
>     check_command                  check_host_alive
>     max_check_attempts             5
>     check_period                   24x7
>     contact_groups                 dale
>     notification_interval          30
>     notification_period            24x7
>     notification_options           d,u,r,f
>     register 0
> }
>
> define host {
>     name                           linux_host
>     statusmap_image                base/redhat.png
>     register 0
> }
>
> ====================================================================
>
> Objects.cache:
> define host {
>         host_name       vio
>         alias   vio
>         address xxx.yyy.zzz.114
>         check_period    24x7
>         check_command   check_host_alive
>         contact_groups  dale
>         notification_period     24x7
>         initial_state   o
>         check_interval  5.000000
>         retry_interval  1.000000
>         max_check_attempts      5
>         active_checks_enabled   1
>         passive_checks_enabled  1
>         obsess_over_host        1
>         event_handler_enabled   1
>         low_flap_threshold      0.000000
>         high_flap_threshold     0.000000
>         flap_detection_enabled  1
>         flap_detection_options  o,d,u
>         freshness_threshold     0
>         check_freshness 0
>         notification_options    d,u,r,f
>         notifications_enabled   1
>         notification_interval   30.000000
>         first_notification_delay        0.000000
>         stalking_options        n
>         process_perf_data       1
>         failure_prediction_enabled      1
>         statusmap_image base/redhat.png
>         retain_status_information       1
>         retain_nonstatus_information    1
>         }
>
> define service {
>         host_name       vio
>         service_description     PING
>         check_period    24x7
>         check_command   check_ping
>         contact_groups  dale
>         notification_period     24x7
>         initial_state   o
>         check_interval  10.000000
>         retry_interval  5.000000
>         max_check_attempts      3
>         is_volatile     0
>         parallelize_check       1
>         active_checks_enabled   1
>         passive_checks_enabled  1
>         obsess_over_service     1
>         event_handler_enabled   1
>         low_flap_threshold      0.000000
>         high_flap_threshold     0.000000
>         flap_detection_enabled  1
>         flap_detection_options  o,w,u,c
>         freshness_threshold     0
>         check_freshness 0
>         notification_options    w,c,r
>         notifications_enabled   1
>         notification_interval   600.000000
>         first_notification_delay        0.000000
>         stalking_options        n
>         process_perf_data       1
>         failure_prediction_enabled      1
>         retain_status_information       1
>         retain_nonstatus_information    1
>         }
>
>
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