bischeck suddenly stops working

[Anders Håål]

Hi Giuseppe,

Sounds strange that it just stopped working after along time of 
stability if not something has change:

- Anything change on the server you run bischeck on - OS, jdk version, 
......

- Update redis version? Change in configuration?

- Added any new bischeck check or changed something in the configuration?

- Anything else you can think about that may have change?

When you say restarting is it the normal /etc/init.d/bischeckd restart 
that fix the problem? The reason I ask is that the script just do a kill 
with TERM signal. If the jvm would be in a out of memory situation it 
may not be enough, but you should have seen that in the log I guess. 
Sure you do not have any ERROR or WARN entries in the log.

/Anders



On 07/24/2017 02:14 PM, Francesco Giuseppe Toffoli wrote:
>
> Hi,
> we are experiencing a critical problem with Bischeck. It's a couple of 
> months it sometimes suddenly stops working: the daemon  
> /etc/init.d/bicheckd is running but no check results are sent to 
> Nagios. Restarting bischeck daemon fixes the issue.
> Unfortunately we can't find any clue about the root cause on bischeck 
> logs, not even with DEBUG logging level enabled. Redis database seems 
> working properly  and no increasing of memory/cpu usage are reported 
> on the server hosting bischeck while the issue occurs.
>
> Do you have any suggestion on how to deeply investigate this?
>
> Regards,
> Francesco
>
> -- 
>
> Francesco Giuseppe Toffoli
> Monitoring Engineer
>
> GSE Department
>
> Tel: +39 01127387488
>
> Mobile: +39 349.800.60.35
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