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This is could be a database issue but to check if related to network configuration.

To start DB i USE : 

Running rethinkdb 2.3.4~0trusty (GCC 4.8.2)...
Running on Linux 3.19.0-39-generic x86_64
Loading data from directory /root/rethinkdb_data
warn: Cache size is very low and may impact performance.
Listening for intracluster connections on port 29015
Listening for client driver connections on port 28015
Listening for administrative HTTP connections on port 8080

Can the see the output states that 'Listening for administrative HTTP connections on port 8080'

But when I attempt to connect to this port using server IP address over http the request times out. So it appears the port is not open,

I run netstat -tuplen and receive : 

Proto Recv-Q Send-Q Local Address           Foreign Address         State       User       Inode       PID/Program name
    tcp6       0      0 :::8080                 :::*                    LISTEN      0          871572      21433/rethinkdb

local address of 0 :::8080 should be 127.0.0.1:::8080 or localhost:::8080 ?

Are there other command I can try to diagnose this issue ?

blue-sky
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1 Answers1

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Comments below were a big help. After reading https://github.com/rethinkdb/rethinkdb/issues/1897 I tried disable ipv6 by following :

How to disable IPv6 in Ubuntu 14.04?

This did not seem to have an impact.

Last comment of : https://github.com/rethinkdb/rethinkdb/issues/1897

"Hi, @danielmewes yes you are right, my problem was iptables, i dont know why, but this time was iptables blocked the 8080. Last month i installer another rethinkdb cluster on centos 7 minimal install and I didn't had any trouble with iptables, but this time i had. Probably because last install configure the firewall exception and this new version don't.

Thank for your response.

Sergio"

This appears to have been my issue also as unblocking the port 8080 allowed me to connect to admin UI on port 8080. Command to unblock port 8080 with iptables : 

sudo iptables -I INPUT -p tcp -m tcp --dport 8080 -j ACCEPT

and start server : rethinkdb --bind all

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blue-sky
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