Failed to start Beats services, including filebeat, topbeat

HI Team,

I am working on Beats especially with Topbeat and Filebeat. when I am installing services running successfully, but if I modify in configuration file and restart it, then giving the below error.

[root@Vineet47 log]# service filebeat stauts
Usage: /etc/init.d/filebeat {start|stop|status|restart|condrestart}
[root@Vineet47 log]# service filebeat status
filebeat.service - filebeat
   Loaded: loaded (/usr/lib/systemd/system/filebeat.service; enabled)
   Active: failed (Result: start-limit) since Thu 2016-03-31 17:55:12 IST; 1min 12s ago
     Docs: https://www.elastic.co/guide/en/beats/filebeat/current/index.html
 Main PID: 14090 (code=exited, status=1/FAILURE)

Mar 31 17:55:12 Vineet47 systemd[1]: filebeat.service: main process exited, code=exited, status=1/FAILURE
Mar 31 17:55:12 Vineet47 systemd[1]: Unit filebeat.service entered failed state.
Mar 31 17:55:12 Vineet47 systemd[1]: filebeat.service holdoff time over, scheduling restart.
Mar 31 17:55:12 Vineet47 systemd[1]: Stopping filebeat...
Mar 31 17:55:12 Vineet47 systemd[1]: Starting filebeat...
Mar 31 17:55:12 Vineet47 systemd[1]: filebeat.service start request repeated too quickly, refusing to start.
Mar 31 17:55:12 Vineet47 systemd[1]: Failed to start filebeat.
Mar 31 17:55:12 Vineet47 systemd[1]: Unit filebeat.service entered failed state.

Can I should restart the service filebeat or topbeat after changes in configurations? or they take changes automatically?

regards,
sahitya

Are there any clues in the Filebeat log?

which clue? what is that?

Something, for example an error message, that would indicate why Filebeat refuses to start.

When I am starting the Filebeats , getting the below error

 service topbeat start
Starting topbeat (via systemctl):                          [  OK  ]
[root@vineet45 topbeat]# service topbeat status
topbeat.service - topbeat
   Loaded: loaded (/usr/lib/systemd/system/topbeat.service; enabled)
   Active: failed (Result: start-limit) since Fri 2016-04-01 04:06:09 EDT; 11s ago
     Docs: https://www.elastic.co/guide/en/beats/topbeat/current/index.html
  Process: 38488 ExecStart=/usr/bin/topbeat -c /etc/topbeat/topbeat.yml (code=exited, status=1/FAILURE)
 Main PID: 38488 (code=exited, status=1/FAILURE)

Apr 01 04:06:09 vineet45 systemd[1]: topbeat.service: main process exited, code=exited, status=1/FAILURE
Apr 01 04:06:09 vineet45 systemd[1]: Unit topbeat.service entered failed state.
Apr 01 04:06:09 vineet45 systemd[1]: topbeat.service holdoff time over, scheduling restart.
Apr 01 04:06:09 vineet45 systemd[1]: Stopping topbeat...
Apr 01 04:06:09 vineet45 systemd[1]: Starting topbeat...
Apr 01 04:06:09 vineet45 systemd[1]: topbeat.service start request repeated too quickly, refusing to start.
Apr 01 04:06:09 vineet45 systemd[1]: Failed to start topbeat.
Apr 01 04:06:09 vineet45 systemd[1]: Unit topbeat.service entered failed state.

and

when I installed it, its working fine!

changed the config file for Logstash as output and restarted it then it giving the above error.

I suspected my self and keep the # in front of all changes what i done. But this error still persists. could you please help me with above error lines.

interestingly, same problem with Topbeat also.

Cheers!
sahitya

can you please post the log files written by topbeat/filebeat?