查看 cluster.name 配置项

			root@netkiller ~ % grep ^cluster.name /etc/elasticsearch/elasticsearch.yml
			cluster.name: elasticsearch
		

src/main/resources/application.properties

			spring.data.elasticsearch.cluster-name=elasticsearch
			spring.data.elasticsearch.cluster-nodes=172.16.0.100:9200
			spring.data.elasticsearch.local=false
			spring.data.elasticsearch.repositories.enabled=true