[2018-10-22 16:21:17,624][WARN ][discovery.zen ] [JSJ-ES04] failed to connect to master [{JSJ-ES01}{IDqNKUODRPyyhEM0Kyuscg}{192.168.27.37}{192.168.27.37:9300}{rack=rack2, master=true}], retrying...
ConnectTransportException[[JSJ-ES01][192.168.27.37:9300] connect_timeout[30s]]; nested: ConnectTimeoutException[connection timed out: 192.168.27.37/192.168.27.37:9300];
at org.elasticsearch.transport.netty.NettyTransport.connectToChannels(NettyTransport.java:1002)
at org.elasticsearch.transport.netty.NettyTransport.connectToNode(NettyTransport.java:937)
at org.elasticsearch.transport.netty.NettyTransport.connectToNode(NettyTransport.java:911)
at org.elasticsearch.transport.TransportService.connectToNode(TransportService.java:260)
at org.elasticsearch.discovery.zen.ZenDiscovery.joinElectedMaster(ZenDiscovery.java:444)
at org.elasticsearch.discovery.zen.ZenDiscovery.innerJoinCluster(ZenDiscovery.java:396)
at org.elasticsearch.discovery.zen.ZenDiscovery.access$4400(ZenDiscovery.java:96)
at org.elasticsearch.discovery.zen.ZenDiscovery$JoinThreadControl$1.run(ZenDiscovery.java:1296)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.jboss.netty.channel.ConnectTimeoutException: connection timed out: 192.168.27.37/192.168.27.37:9300
at org.jboss.netty.channel.socket.nio.NioClientBoss.processConnectTimeout(NioClientBoss.java:139)
at org.jboss.netty.channel.socket.nio.NioClientBoss.process(NioClientBoss.java:83)
at org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:337)
at org.jboss.netty.channel.socket.nio.NioClientBoss.run(NioClientBoss.java:42)
at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
at org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
... 3 more
https://blog.csdn.net/jsky_studio/article/details/50575894
es是自动发现集群的，首先需要把几圈的名称写一致了，然后需要配置zon标签中的数据在一个网段就能自动发现