[2019-07-09T19:33:30,045][ERROR][o.e.b.Bootstrap ] [node-1] node validation exception
[1] bootstrap checks failed
[1]: the default discovery settings are unsuitable for production use; at least one of [discovery.seed_hosts, discovery.seed_providers, cluster.initial_master_nodes] must be configured

默认的发现设置不适合生产使用;至少有一个[发现]。seed_hosts,发现。seed_providers,集群。必须配置initial_master_nodes]

这时候继续编辑elasticsearch.yml文件
将 #cluster.initial_master_nodes: ["node-1", "node-2"]
修改为 cluster.initial_master_nodes: ["node-1"]，记得保存。