Hi everyoneI have the following inputs and everything works fine, graylog 
server gets all the logs from the radio server:

 Running global inputs
Started by  Administrator   Terminate 
Action  <https://srv-graylog-tst-01/system/inputs#>
 Syslog TCP (Syslog TCP) 2 running
Network IO:  496B  0B (total:  43.5kiB  0B )  Show details
63603f82 / srv-graylogrd-tst-01.edu.br:  496B  0B (total:  38.8kiB  0B )
a6a197d5 / srv-graylog-tst-01.edu.br:  0B  0B (total:  4.7kiB  0B )
Total connections: 2 (1 active)  Show details
63603f82 / srv-graylogrd-tst-01.edu.br: Total 1 (1 active)
a6a197d5 / srv-graylog-tst-01.edu.br: Total 1 (0 active)

   - allow_override_date: true
   - port: 10514
   - bind_address: 0.0.0.0
   - recv_buffer_size: 1048576

 Running local inputs
Started by  Administrator on   a6a197d5 / srv-graylog-tst-01.edu.br 4 
minutes ago   Terminate 
Action  <https://srv-graylog-tst-01/system/inputs#>
 Radio (Graylog2 Radio Input (Kafka))   
<http://support.torch.sh/help/kb/graylog2-server/using-graylog2-radio-v020x>
running
Network IO:  0B  0B (total:  462.0kiB  0B )

   - fetch_wait_max: 100
   - threads: 10
   - zookeeper: 192.168.252.201:2181
   - fetch_min_bytes: 5


Then I simulate a radio server failure restarting the radio server and in 
the graylog server this error starts and keeps repeating:

--> /var/log/graylog2-server/console.log

2014-07-02 10:11:28,248 INFO : org.apache.zookeeper.ClientCnxn - Opening 
socket connection to server srv-graylogrd-tst-01.edu.br/192.168.252.201:2181
2014-07-02 10:11:28,250 INFO : org.apache.zookeeper.ClientCnxn - Socket 
connection established to srv-graylogrd-tst-01.edu.br/192.168.252.201:2181, 
initiating session
2014-07-02 10:11:28,251 INFO : org.apache.zookeeper.ClientCnxn - Unable to 
read additional data from server sessionid 0x146f6e31ad1000b, likely server 
has closed socket, closing socket connection and attempting reconnect

Graylog server keeps trying to reconnect to the zookeeper on the radio 
server but never does

Then I try to terminate the radio input and the entire graylog server 
crashes:

Oops, an error occured

This exception has been logged with id *6ilnpgfef*.

After restarting everything, killing graylog processes and terminating the 
radio input then I recreate it again and graylog begins to processes the 
messages from the radio input again. (I don't have to do nothing on the 
radio server)

Is there some way to make graylog server to reconnect to the radio server 
(zookeeper) automatically or less dramatically?


Thanks

*Graylog 0.20.3*
*Ubuntu 14.04*

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