ES6.x版本单机三节点配置discovery.zen.ping.unicast.hosts错误的解决过程

在同一个机子利用不同端口搭建3个ES节点

单节点正常运行

集群间无法联通，找不到主节点

cluster_uuid 一直没有注册成功

curl "0.0.0.0:29200"
{
  "name" : "es-01",
  "cluster_name" : "es-test01n",
  "cluster_uuid" : "_nan_",
  "version" : {
    "number" : "6.4.2",
    "build_flavor" : "default",
    "build_type" : "tar",
    "build_hash" : "04711c2",
    "build_date" : "2018-09-26T13:34:09.098244Z",
    "build_snapshot" : false,
    "lucene_version" : "7.4.0",
    "minimum_wire_compatibility_version" : "5.6.0",
    "minimum_index_compatibility_version" : "5.0.0"
  },
  "tagline" : "You Know, for Search"
}

错误信息

​[2020-05-28T10:30:36,229][WARN ][o.e.x.s.t.n.SecurityNetty4ServerTransport] [wode153-1] exception caught on transport layer [NettyTcpChannel{localAddress=/192.168.1.13:28739, remoteAddress=/192.168.1.13:29200}], closing connection
io.netty.handler.codec.DecoderException: java.io.StreamCorruptedException: invalid internal transport message format, got (48,54,54,50)
    at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:459) ~[netty-codec-4.1.16.Final.jar:4.1.16.Final]
    at io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:392) ~[netty-codec-4.1.16.Final.jar:4.1.16.Final]
    at io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:359) ~[netty-codec-4.1.16.Final.jar:4.1.16.Final]
    at io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:342) ~[netty-codec-4.1.16.Final.jar:4.1.16.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:245) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:231) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
    at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:224) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
    at io.netty.handler.logging.LoggingHandler.channelInactive(LoggingHandler.java:167) [netty-handler-4.1.16.Final.jar:4.1.16.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:245) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:231) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
    at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:224) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
    at io.netty.channel.DefaultChannelPipeline$HeadContext.channelInactive(DefaultChannelPipeline.java:1354) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:245) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:231) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
    at io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:917) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
    at io.netty.channel.AbstractChannel$AbstractUnsafe$8.run(AbstractChannel.java:822) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
    at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163) [netty-common-4.1.16.Final.jar:4.1.16.Final]
    at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:403) [netty-common-4.1.16.Final.jar:4.1.16.Final]
    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:463) [netty-transport-4.1.16.Final.jar:4.1.16.Final]
    at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [netty-common-4.1.16.Final.jar:4.1.16.Final]
    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_181]
Caused by: java.io.StreamCorruptedException: invalid internal transport message format, got (48,54,54,50)
    at org.elasticsearch.transport.TcpTransport.validateMessageHeader(TcpTransport.java:1327) ~[elasticsearch-6.4.2.jar:6.4.2]
    at org.elasticsearch.transport.netty4.Netty4SizeHeaderFrameDecoder.decode(Netty4SizeHeaderFrameDecoder.java:36) ~[transport-netty4-6.4.2.jar:6.4.2]
    at io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:489) ~[netty-codec-4.1.16.Final.jar:4.1.16.Final]
    at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:428) ~[netty-codec-4.1.16.Final.jar:4.1.16.Final]
    ... 20 more​

单播端口配置错误

ES节点之是通过transport通信，而这里配置的则是http端口，因此节点之间无法发现：

​java.io.StreamCorruptedException: invalid internal transport message format, got (48,54,54,50)

因此修改成对应的transport开放的端口，即可，ES集群中默认是9300

discovery.zen.ping.unicast.hosts: ["192.168.1.13:9300", "192.168.1.13:9301","192.168.1.13:9302"]

总结

以上为个人经验，希望能给大家一个参考，也希望大家多多支持脚本之家。

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