搭建elasticsearch集群报错：with the same id but is a different node instance

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记录一下在安装 elastic-search 单机多节点是时候报错解决方案

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[2021-07-26T11:43:03,929][INFO ][o.e.d.z.ZenDiscovery     ] 
[node-2] failed to send join request to master [{node-1}{alKTwZlPRiWECIurrQVWXA}{qwbTz729TNajY6baHiruZA}{172.16.10.25}{172.16.10.25:9300}
{ml.machine_memory=17179869184, ml.max_open_jobs=20, xpack.installed=true, ml.enabled=true}],
reason [RemoteTransportException[[node-1][172.16.10.25:9300][internal:discovery/zen/join]];
nested: IllegalArgumentException
[can't add node {node-2}{alKTwZlPRiWECIurrQVWXA}{8BoLzIHvRsuZLkYCbGd3jA}{172.16.10.25}{172.16.10.25:9301}{ml.machine_memory=17179869184, ml.max_open_jobs=20, xpack.installed=true, ml.enabled=true},
found existing node {node-1}{alKTwZlPRiWECIurrQVWXA}{qwbTz729TNajY6baHiruZA}{172.16.10.25}{172.16.10.25:9300}{ml.machine_memory=17179869184,
xpack.installed=true, ml.max_open_jobs=20, ml.enabled=true}
with the same id but is a different node instance]; ]

报错信息提示有相同的 id 但是是不同的实例。

原因是： 我把作为 master 的 elastic-search 文件复制了两份，导致数据也包含在了 作为 slave节点里面。

解决方案

删除复制的作为 slave 节点的 elastic-search 的data 文件夹即可。

node1

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cluster.name: es-cluster

node.name: node-1
node.master: true
node.data: true

network.host: 0.0.0.0

http.port: 9200
http.cors.enabled: true
http.cors.allow-origin: "*"

discovery.zen.ping.unicast.hosts: ["172.16.10.25:9300","172.16.10.25:9301", "172.16.10.25:9302"]

discovery.zen.minimum_master_nodes: 1


node2

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cluster.name: es-cluster
node.master: true
node.data: true

node.name: node-2

network.host: 0.0.0.0
http.port: 9201
http.cors.enabled: true
http.cors.allow-origin: "*"

transport.tcp.port: 9301

discovery.zen.ping.unicast.hosts: ["172.16.10.25:9300","172.16.10.25:9301", "172.16.10.25:9302"]

discovery.zen.minimum_master_nodes: 1

node3

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cluster.name: es-cluster

node.name: node-3
node.master: true
node.data: true

network.host: 0.0.0.0

http.port: 9202
http.cors.enabled: true
http.cors.allow-origin: "*"

transport.tcp.port: 9302

discovery.zen.ping.unicast.hosts: ["172.16.10.25:9300","172.16.10.25:9301", "172.16.10.25:9302"]

discovery.zen.minimum_master_nodes: 1


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