The EC2 plugin doesn't mess with networking settings, so the behaviour 
you're describing is weird.

After ES starts, can you connect to it via `curl localhost:9200`?

Also, don't use the now deprecated S3 gateway, apart maybe from strictly 
testing purposes -- it's unsupported and unpredictable.

As suggested by Ross, maybe it takes time to ping all the instances in your 
AWS account -- do you set the `discovery.ec2.groups` settings to filter the 
list?

Karel

On Friday, December 20, 2013 10:04:56 PM UTC+1, Steinar Bang wrote:
>
> I am running ES 0.90.4 on an Ubuntu 12.04 LTS EC2 instance. 
>
> Starting this instance, it starts listening to port 9200: 
>  ubuntu@ip-172-31-31-127:/var/lib/elasticsearch$ sudo lsof -i TCP | grep 
> 9200 
>  java    1982 elasticsearch  102u  IPv6  12069      0t0  TCP *:9200 
> (LISTEN) 
>  ubuntu@ip-172-31-31-127:/var/lib/elasticsearch$ 
>
> If I add the EC2 plugin settings to /etc/elasticsearch/elasticsearch.yml 
> and restart elasticsearch, it stops listening to port 9200: 
>  ubuntu@ip-172-31-31-127:/var/lib/elasticsearch$ sudo lsof -i TCP | grep 
> 9200 
>  ubuntu@ip-172-31-31-127:/var/lib/elasticsearch$ 
>
> If I yank the EC2 settings from /etc/elasticsearch/elasticsearch.yml and 
> restart elasticsearch, it starts listening to 9200 again. 
>
> Is this expected behaviour? Does it start listening to a different port 
> instead? 
>
> The settings that are added to /etc/elasticsearch/elasticsearch.yml are 
> the settings mentioned in 
> http://www.elasticsearch.org/tutorials/elasticsearch-on-ec2/ 
>
>
> The settings are: 
>
> cluster.name: myuniquename-cluster 
> cloud: 
>    aws: 
>       access_key: <key> 
>       secret_key: <key> 
> discovery: 
>    type: ec2 
> gateway: 
>    type: s3 
>    s3: 
>       bucket: myuniquename 
>
>
> Thanks! 
>
> - Steinar 
>
>
>

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