I'm new to Elastic search. I have 2 servers one server where Elasticsearch is configured and while other server is having java client installed. When trying to access Elasticsearch from Java program it is erroring out saying
None of the configured nodes are available: [{#transport#-1}{...}{...:9200}
Initially we thought firewalls but we have opened ports 9200, 9300 but still facing same issue. The same java program works if we have Elasticsearch installed locally.
Do you think it is still a firewall issue? If So please let me know what all ports need to be opened for Java program to work.
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