Centos 7 Urbackup client problem

1

Hello, I have a problem with the client Centos 7 Urbackup. Debian client works correctly.

The server can not see the client. Live logs from the website:

06.12.17 00:42 INFO No log entries yet

Online status: No

Starting backup failed

Logs from the client:
2017-12-06 00:33:50: Looking for old Sessions… 0 sessions
2017-12-06 00:34:37: urbackupserver: Server started up successfully!
2017-12-06 00:34:37: FileSrv: Servername: -CentosCLient-
2017-12-06 00:34:37: Started UrBackupClient Backend…
2017-12-06 00:34:38: Looking for old Sessions… 0 sessions
2017-12-06 00:47:56: urbackupserver: Server started up successfully!
2017-12-06 00:47:56: FileSrv: Servername: -CentosCLient-
2017-12-06 00:47:56: Started UrBackupClient Backend…
2017-12-06 00:47:57: Looking for old Sessions… 0 sessions
2017-12-06 00:47:57: Final path: /

The server is pinging the client. The firewall is cleared.

If true client will not bind to any external network ports (either true or false)
INTERNET_ONLY=true

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2

I am having similar problems; 50% of my hosts are CentOS 6 and the other are CentOS 7… All of the CentOS 7 backups seem to have a problem after a while (maybe a few months).

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So after a while the backups would stop and the system would show the servers to be offline.

The log on the client’s machine’s last logs were:-

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To get things going on going, I had to restart the client service by entering:-
service urbackupclientbackend restart

But I don’t want to have to manually restart the backup system every few months… I need things to be automated and error free.

3

On another CentOS 7 server, we got these error insteads:-

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and since then no backups have taken place.