Hi,

We hace all Shinken components in a single host working properly.

Suddenly, Shinken stops to work and in log files we can find the next messages:

Code:
[Tue Jan 29 06:42:22 2019] WARNING: [broker-master] Connection problem to the scheduler scheduler-master: Connection error to http://10.167.192.11:7768/ : Operation timed out after 120001 milliseconds with 0 byt
es received
[Tue Jan 29 06:42:25 2019] INFO: [broker-master] Connection problem to the poller poller-master: Connection error to http://localhost:7771/ : Operation timed out after 3000 milliseconds with 0 bytes received
[Tue Jan 29 06:42:28 2019] WARNING: [broker-master] Connection problem to the reactionner reactionner-master: Connection error to http://localhost:7769/ : Operation timed out after 3000 milliseconds with 0 bytes
 received
[Tue Jan 29 06:42:31 2019] WARNING: [broker-master] Connection problem to the receiver receiver-master: Connection error to http://localhost:7773/ : Operation timed out after 3000 milliseconds with 0 bytes recei
ved
[Tue Jan 29 06:42:35 2019] INFO: [broker-master] Connection problem to the scheduler scheduler-master: Connection error to http://localhost:7768/ : Operation timed out after 3001 milliseconds with 0 bytes re
ceived
[Tue Jan 29 06:42:38 2019] INFO: [broker-master] Connection problem to the poller poller-master: Connection error to http://localhost:7771/ : name lookup timed out
[Tue Jan 29 06:42:41 2019] INFO: [broker-master] Connection problem to the reactionner reactionner-master: Connection error to http://localhost:7769/ : name lookup timed out
And Shinken just can be recovered restarting all services.

/etc/hosts is right with 127.0.0.1 localhost entry, and there is no entry for "localhost" in DNS.

What can be happening?

Thanks,
best regards.