ElasticSearch (java) - Nodes not configured issue

Question

I'm trying the most basic case to connect to my ES cluster, but it seems that the host I register are not being registered. This is the code I'm running:

//Create the client
Client client = new TransportClient(ImmutableSettings.builder()
    .put("cluster.name", "MyCluster")
    .put("client.transport.sniff","true").build())
    .addTransportAddresses(
        new InetSocketTransportAddress("host1", 9300),
        new InetSocketTransportAddress("host2", 9300));

// Try to make a call
SearchRequest sr = new SearchRequest().indices("MyIndex");
ActionFuture<SearchResponse> search = client.search(sr);
SearchResponse actionGet = search.actionGet(); // <-- Exception
System.out.println(actionGet.toString());

client.close();

This is the exception I get:

Exception in thread "main" org.elasticsearch.client.transport.NoNodeAvailableException:
None of the configured nodes are available: []

It looks like it there is no connected nodes, what am I missing?

NOTE: I'm using the elastic search client with gradle:
compile 'org.elasticsearch:elasticsearch:1.7.5'

Is your cluster working properly? Does the versions of yout client and server same/compatible? — alpert
– alpert, Commented Apr 26, 2016 at 13:20
The cluster is working fine with REST calls. And I think I have the same versions, how do I check the version on the server? — Roee Gavirel
– Roee Gavirel, Commented Apr 26, 2016 at 13:22
Just type curl -XGET 'http://host:9200. Also check for cluster name. — alpert
– alpert, Commented Apr 26, 2016 at 13:26

alpert · Accepted Answer · 2016-04-26 13:52:35Z

2

There are some possible reasons for this:

The client and server versions can be different
Cluster name can be different
There could be a network problem when accesing the host and port.

answered Apr 26, 2016 at 13:52

alpert

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