[ZBX-15953] Zabbix Proxy couldn't write to its own log Created: 2019 Apr 05  Updated: 2020 Aug 31  Resolved: 2020 Aug 31

Status: Closed
Project: ZABBIX BUGS AND ISSUES
Component/s: Proxy (P)
Affects Version/s: 4.0.5
Fix Version/s: None

Type: Incident report Priority: Trivial
Reporter: Craig Hopkins Assignee: Eduards Matuls (Inactive)
Resolution: Incomplete Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified
Environment:

Debian 9



 Description   

This actually affects 4.0.3, but I can't see any mention of it in a support ticket so I'm raising it in case it affects later versions

Last line in file zabbix_proxy.log.1:

zabbix_proxy [20999]: cannot open "/var/log/zabbix/zabbix_proxy.log": [13] Permission denied

The line before it is at 06:25 so I assume this was an artefact of log rotate. 

This happened randomly on a Sunday, and nobody had been on the machine. When I checked zabbix_proxy.log, it was owned by zabbix, but 0 bytes. 

All of the processes of the proxy were still running, but all idle. Because there is no trigger in Zabbix for when a proxy was last seen, it was only when I noticed that a host had no data that I started looking at this. The proxy had been stuck for several days by this point. 



 Comments   
Comment by richlv [ 2019 Apr 05 ]

What's the ownership and permissions of /var/log/zabbix/?
Could it be that the directory is not writable by the Zabbix user, and logrotate has to recreate the file with the permissions that allow Zabbix access?

Comment by Craig Hopkins [ 2019 Apr 05 ]
drwxr-xr-x 2 zabbix zabbix 4096 Apr  5 16:52 zabbix

I've only seen this happen once. It had been rotating the logs fine for weeks before.

Comment by Ganesh M Borkar [ 2020 Mar 16 ]

Even I am facing the same issue. Any update on this

Comment by Eduards Matuls (Inactive) [ 2020 Jun 15 ]

Hello!

Found this ZBX still open. Can you please update the information about your Zabbix versions? And also please provide full output of the command:

ls -al /var/log/zabbix/

Regards,
Eduards

Comment by Edgars Melveris [ 2020 Aug 31 ]

Closing because of inactivity.

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