在正常部署的ElasticSearch集群中，刚开始启动正常运行，但是在安装完插件之后集群启动开始报一致的错误信息：
[admin@admin01 elasticsearch-5.2.2]$ bin/elasticsearch
[2019-08-27T23:22:03,892][INFO ][o.e.n.Node ] [admin01] initializing ...
[2019-08-27T23:22:05,012][INFO ][o.e.e.NodeEnvironment ] [admin01] using [1] data paths, mounts [[/ (/dev/mapper/vg_admin04-lv_root)]], net usable_space [11.3gb], net total_space [17.2gb], spins? [possibly], types [ext4]
[2019-08-27T23:22:05,015][INFO ][o.e.e.NodeEnvironment ] [admin01] heap size [1.9gb], compressed ordinary object pointers [true]
[2019-08-27T23:22:05,024][INFO ][o.e.n.Node ] [admin01] node name [admin01], node ID [TYpjsmE9Sw2cjLWeklFaXA]
[2019-08-27T23:22:05,040][INFO ][o.e.n.Node ] [admin01] version[5.2.2], pid[5238], build[f9d9b74/2017-02-24T17:26:45.835Z], OS[Linux/2.6.32-431.el6.x86_64/amd64], JVM[Oracle Corporation/Java HotSpot(TM) 64-Bit Server VM/1.8.0_162/25.162-b12]
[2019-08-27T23:22:10,287][INFO ][o.e.p.PluginsService ] [admin01] loaded module [aggs-matrix-stats]
[2019-08-27T23:22:10,288][INFO ][o.e.p.PluginsService ] [admin01] loaded module [ingest-common]
[2019-08-27T23:22:10,288][INFO ][o.e.p.PluginsService ] [admin01] loaded module [lang-expression]
[2019-08-27T23:22:10,288][INFO ][o.e.p.PluginsService ] [admin01] loaded module [lang-groovy]
[2019-08-27T23:22:10,289][INFO ][o.e.p.PluginsService ] [admin01] loaded module [lang-mustache]
[2019-08-27T23:22:10,290][INFO ][o.e.p.PluginsService ] [admin01] loaded module [lang-painless]
[2019-08-27T23:22:10,290][INFO ][o.e.p.PluginsService ] [admin01] loaded module [percolator]
[2019-08-27T23:22:10,291][INFO ][o.e.p.PluginsService ] [admin01] loaded module [reindex]
[2019-08-27T23:22:10,291][INFO ][o.e.p.PluginsService ] [admin01] loaded module [transport-netty3]
[2019-08-27T23:22:10,296][INFO ][o.e.p.PluginsService ] [admin01] loaded module [transport-netty4]
[2019-08-27T23:22:10,297][INFO ][o.e.p.PluginsService ] [admin01] no plugins loaded
Killed
在经过多次查询及测试之后发现是需要修改
[admin@admin01 config]$ pwd
/home/admin/opt/softwares/elasticsearch-5.2.2/config
[admin@admin01 config]$ ll
total 16
-rw-rw---- 1 admin admin 3030 Aug 27 23:21 elasticsearch.yml
-rw-rw---- 1 admin admin 2912 Aug 27 23:25 jvm.options
-rw-rw----. 1 admin admin 3992 Feb 25 2017 log4j2.properties
drwxrwxr-x. 2 admin admin 4096 Aug 27 15:27 scripts
打开之后，修改下图所示的文件信息即可正常启动运行该集群。
集群正常启动的结果：
[admin@admin01 elasticsearch-5.2.2]$ bin/elasticsearch
[2019-08-27T23:25:31,088][INFO ][o.e.n.Node ] [admin01] initializing ...
[2019-08-27T23:25:31,346][INFO ][o.e.e.NodeEnvironment ] [admin01] using [1] data paths, mounts [[/ (/dev/mapper/vg_admin04-lv_root)]], net usable_space [11.3gb], net total_space [17.2gb], spins? [possibly], types [ext4]
[2019-08-27T23:25:31,347][INFO ][o.e.e.NodeEnvironment ] [admin01] heap size [503.6mb], compressed ordinary object pointers [true]
[2019-08-27T23:25:31,354][INFO ][o.e.n.Node ] [admin01] node name [admin01], node ID [TYpjsmE9Sw2cjLWeklFaXA]
[2019-08-27T23:25:31,367][INFO ][o.e.n.Node ] [admin01] version[5.2.2], pid[5304], build[f9d9b74/2017-02-24T17:26:45.835Z], OS[Linux/2.6.32-431.el6.x86_64/amd64], JVM[Oracle Corporation/Java HotSpot(TM) 64-Bit Server VM/1.8.0_162/25.162-b12]
[2019-08-27T23:25:34,464][INFO ][o.e.p.PluginsService ] [admin01] loaded module [aggs-matrix-stats]
[2019-08-27T23:25:34,465][INFO ][o.e.p.PluginsService ] [admin01] loaded module [ingest-common]
[2019-08-27T23:25:34,465][INFO ][o.e.p.PluginsService ] [admin01] loaded module [lang-expression]
[2019-08-27T23:25:34,465][INFO ][o.e.p.PluginsService ] [admin01] loaded module [lang-groovy]
[2019-08-27T23:25:34,467][INFO ][o.e.p.PluginsService ] [admin01] loaded module [lang-mustache]
[2019-08-27T23:25:34,467][INFO ][o.e.p.PluginsService ] [admin01] loaded module [lang-painless]
[2019-08-27T23:25:34,467][INFO ][o.e.p.PluginsService ] [admin01] loaded module [percolator]
[2019-08-27T23:25:34,469][INFO ][o.e.p.PluginsService ] [admin01] loaded module [reindex]
[2019-08-27T23:25:34,469][INFO ][o.e.p.PluginsService ] [admin01] loaded module [transport-netty3]
[2019-08-27T23:25:34,474][INFO ][o.e.p.PluginsService ] [admin01] loaded module [transport-netty4]
[2019-08-27T23:25:34,475][INFO ][o.e.p.PluginsService ] [admin01] no plugins loaded
[2019-08-27T23:25:42,796][INFO ][o.e.n.Node ] [admin01] initialized
[2019-08-27T23:25:42,797][INFO ][o.e.n.Node ] [admin01] starting ...
[2019-08-27T23:25:43,426][INFO ][o.e.t.TransportService ] [admin01] publish_address {192.168.47.101:9300}, bound_addresses {192.168.47.101:9300}
[2019-08-27T23:25:43,454][INFO ][o.e.b.BootstrapChecks ] [admin01] bound or publishing to a non-loopback or non-link-local address, enforcing bootstrap checks
[2019-08-27T23:25:46,665][INFO ][o.e.c.s.ClusterService ] [admin01] new_master {admin01}{TYpjsmE9Sw2cjLWeklFaXA}{f5csIMdMRTSkj4xUSEZ0Fg}{192.168.47.101}{192.168.47.101:9300}, reason: zen-disco-elected-as-master ([0] nodes joined)
[2019-08-27T23:25:46,753][INFO ][o.e.h.HttpServer ] [admin01] publish_address {192.168.47.101:9200}, bound_addresses {192.168.47.101:9200}
[2019-08-27T23:25:46,753][INFO ][o.e.n.Node ] [admin01] started
[2019-08-27T23:25:46,791][INFO ][o.e.g.GatewayService ] [admin01] recovered [0] indices into cluster_state
九月加油！