V2EX-求助: 没有到主机的路由(no route to host)

Mrkon:

系统:ubuntu 16.04 (已经关闭防火墙,sudo ufw disable, telnet 可以联通)
ES 版本 : 7.13.1

目的:
使用两个节点通过外网组成集群

问题描述:
已经开启一台服务器作为 master 节点,将第二个节点加入时报错: 没有到主机的路由

关键配置:

network.host: 0.0.0.0
network.publish_host: 192.168.3.134
discovery.zen.minimum_master_nodes: 2
discovery.seed_hosts: ["61.15.284.58:10091", "1.65.184.8:10081"]
cluster.initial_master_nodes: ["node-1", "node-2"]

xpack.security.enabled: true
xpack.security.transport.ssl.enabled: true
xpack.security.transport.ssl.verification_mode: certificate
xpack.security.transport.ssl.keystore.path: elastic-certificates.p12
xpack.security.transport.ssl.truststore.path: elastic-certificates.p12

我的猜想:
DNS 原因,我通过路由器将内网端口映射到固定 IP 导致的问题,报错是找不到内网 192.168.3.86:19300

映射关系:
node-1: 61.15.284.58:10091 -> 192.168.3.86:19300

node-2: 1.65.184.8:10081 -> 192.168.3.134:29300

错误 log:

[2021-09-24T09:29:32,786][WARN ][o.e.d.HandshakingTransportAddressConnector] [
node-2] [connectToRemoteMasterNode[61.15.284.58:10091]] completed handshake with [{node-1}{oapoq8khQ9GtiWj63kfbCQ}{VwXYChZEQdKceJYNrCRPmw}{192.168.3.86}{192.168.3.86:19300}{cdfhilmrstw}{ml.machine_memory=33599610880, ml.max_open_jobs=512, xpack.installed=true, ml.max_jvm_size=12884901888, transform.node=true}] but followup connection failed
org.elasticsearch.transport.ConnectTransportException: [node-1][192.168.3.86:19300] connect_exception
        at org.elasticsearch.transport.TcpTransport$ChannelsConnectedListener.onFailure(TcpTransport.java:971) ~[elasticsearch-7.13.1.jar:7.13.1]
        at org.elasticsearch.action.ActionListener.lambda$toBiConsumer$0(ActionListener.java:277) ~[elasticsearch-7.13.1.jar:7.13.1]
        at org.elasticsearch.common.concurrent.CompletableContext.lambda$addListener$0(CompletableContext.java:31) ~[elasticsearch-core-7.13.1.jar:7.13.1]
        at java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:859) ~[?:?]
        at java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:837) ~[?:?]
        at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:506) ~[?:?]
        at java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:2158) ~[?:?]
        at org.elasticsearch.common.concurrent.CompletableContext.completeExceptionally(CompletableContext.java:46) ~[elasticsearch-core-7.13.1.jar:7.13.1]
        at org.elasticsearch.transport.netty4.Netty4TcpChannel.lambda$addListener$0(Netty4TcpChannel.java:57) ~[?:?]
        at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:577) ~[?:?]
        at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:570) ~[?:?]
        at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:549) ~[?:?]
        at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:490) ~[?:?]
        at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:615) ~[?:?]
        at io.netty.util.concurrent.DefaultPromise.setFailure0(DefaultPromise.java:608) ~[?:?]
        at io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:117) ~[?:?]
        at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.fulfillConnectPromise(AbstractNioChannel.java:321) ~[?:?]
        at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:337) ~[?:?]
        at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:702) ~[?:?]
        at io.netty.channel.nio.NioEventLoop.processSelectedKeysPlain(NioEventLoop.java:615) ~[?:?]
        at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:578) ~[?:?]
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493) ~[?:?]
        at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989) ~[?:?]
        at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[?:?]
        at java.lang.Thread.run(Thread.java:831) [?:?]
Caused by: io.netty.channel.AbstractChannel$AnnotatedNoRouteToHostException: 没有到主机的路由: 192.168.3.86/192.168.3.86:19300
Caused by: java.net.NoRouteToHostException: 没有到主机的路由
        at sun.nio.ch.Net.pollConnect(Native Method) ~[?:?]
        at sun.nio.ch.Net.pollConnectNow(Net.java:669) ~[?:?]
        at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:944) ~[?:?]
        at io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:330) ~[?:?]
        at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) ~[?:?]
        ... 7 more

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