Error opening fileopen /ca/daproxy/log/daproxy.log: permission denied

Document ID : KB000127955
Last Modified Date : 26/02/2019
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Fault Tolerance environment the service daproxy status command shows the message error

[root@nfapc02 ~]# service daproxy status
Redirecting to /bin/systemctl status daproxy.service
● daproxy.service - DAProxy Service
Loaded: loaded (/etc/systemd/system/daproxy.service; enabled; vendor preset: disabled)
Active: active (running) since Mon 2019-02-11 15:18:03 -03; 19h ago
Main PID: 1367 (traefik)
CGroup: /system.slice/daproxy.service
└─1367 /ca/daproxy/bin/traefik --configfile=/ca/daproxy/conf/daproxy.cfg --traefiklogsfile=/ca/daproxy/log/daproxy.log

Feb 11 15:18:03 nfapc02 systemd[1]: Started DAProxy Service.
Feb 11 15:18:03 nfapc02 systemd[1]: Starting DAProxy Service...
Feb 11 15:18:05 nfapc02 traefik[1367]: time="2019-02-11T15:18:05-03:00" level=error msg="Error opening fileopen /ca/daproxy/log/daproxy.log: permission denied"
PM 3.5
Corrupted log file or someone other than root or consul that they will have issues accessing that file.
Remove the log file

1) service daproxy stop

2) mv /ca/daproxy/log/daproxy.log /ca/daproxy/log/daproxy.log_OLD

3) service daproxy start
Additional Information:
Note: You can check what is the user running the traefik process running:
ps -ef | grep traefik