I have upgraded elasticsearch logstash and kibana and after the upgrade my nodes wont join the cluster. I have two nodes. I want one to be a master and data node the other to just be a data node. When I check the state of the cluster it only shows there to be one node. Any help is appreciated.
Thanks,
Michael
Out of the box Elasticsearch 2.0 binds to localhost only. See https://www.elastic.co/guide/en/elasticsearch/reference/2.0/_network_changes.html.
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