Failed to find a usable hardware address from the network interfaces; using random bytes: 17:1b:ec:c4:bd:20:1c:62
[2018-07-25T21:04:22,630][WARN ][o.e.b.ElasticsearchUncaughtExceptionHandler] [] uncaught exception in thread [main]
org.elasticsearch.bootstrap.StartupException: BindTransportException[Failed to bind to [9300-9400]]; nested: BindException[Cannot assign requested address];
        at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:125) ~[elasticsearch-5.2.2.jar:5.2.2]
        at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:112) ~[elasticsearch-5.2.2.jar:5.2.2]
        at org.elasticsearch.cli.SettingCommand.execute(SettingCommand.java:54) ~[elasticsearch-5.2.2.jar:5.2.2]
        at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:122) ~[elasticsearch-5.2.2.jar:5.2.2]
        at org.elasticsearch.cli.Command.main(Command.java:88) ~[elasticsearch-5.2.2.jar:5.2.2]
        at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:89) ~[elasticsearch-5.2.2.jar:5.2.2]
        at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:82) ~[elasticsearch-5.2.2.jar:5.2.2]
Caused by: org.elasticsearch.transport.BindTransportException: Failed to bind to [9300-9400]
        at org.elasticsearch.transport.TcpTransport.bindToPort(TcpTransport.java:729) ~[elasticsearch-5.2.2.jar:5.2.2]
        at org.elasticsearch.transport.TcpTransport.bindServer(TcpTransport.java:694) ~[elasticsearch-5.2.2.jar:5.2.2]
        at org.elasticsearch.transport.netty4.Netty4Transport.doStart(Netty4Transport.java:183) ~[?:?]
        at org.elasticsearch.common.component.AbstractLifecycleComponent.start(AbstractLifecycleComponent.java:69) ~[elasticsearch-5.2.2.jar:5.2.2]
        at org.elasticsearch.transport.TransportService.doStart(TransportService.java:202) ~[elasticsearch-5.2.2.jar:5.2.2]
        at org.elasticsearch.common.component.AbstractLifecycleComponent.start(AbstractLifecycleComponent.java:69) ~[elasticsearch-5.2.2.jar:5.2.2]
        at org.elasticsearch.node.Node.start(Node.java:589) ~[elasticsearch-5.2.2.jar:5.2.2]
        at org.elasticsearch.bootstrap.Bootstrap.start(Bootstrap.java:261) ~[elasticsearch-5.2.2.jar:5.2.2]
        at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:335) ~[elasticsearch-5.2.2.jar:5.2.2]
        at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:121) ~[elasticsearch-5.2.2.jar:5.2.2]
        ... 6 more
Caused by: java.net.BindException: Cannot assign requested address
        at sun.nio.ch.Net.bind0(Native Method) ~[?:?]
        at sun.nio.ch.Net.bind(Net.java:433) ~[?:?]
        at sun.nio.ch.Net.bind(Net.java:425) ~[?:?]
        at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223) ~[?:?]
        at io.netty.channel.socket.nio.NioServerSocketChannel.doBind(NioServerSocketChannel.java:127) ~[?:?]
        at io.netty.channel.AbstractChannel$AbstractUnsafe.bind(AbstractChannel.java:554) ~[?:?]
        at io.netty.channel.DefaultChannelPipeline$HeadContext.bind(DefaultChannelPipeline.java:1258) ~[?:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeBind(AbstractChannelHandlerContext.java:502) ~[?:?]
        at io.netty.channel.AbstractChannelHandlerContext.bind(AbstractChannelHandlerContext.java:487) ~[?:?]
        at io.netty.channel.DefaultChannelPipeline.bind(DefaultChannelPipeline.java:980) ~[?:?]
        at io.netty.channel.AbstractChannel.bind(AbstractChannel.java:250) ~[?:?]
        at io.netty.bootstrap.AbstractBootstrap$2.run(AbstractBootstrap.java:363) ~[?:?]
        at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163) ~[?:?]
        at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:403) ~[?:?]
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:445) ~[?:?]
        at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) ~[?:?]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_181]
 

配置config目錄下elasticsearch.yml下的 network.host: 時設定的是伺服器的外網id地址，一直報如上錯誤

隨即修改為0.0.0.0

錯誤解決

network.host: 0.0.0.0