spring cloud gateway 启动报错，Failed to bind on [0.0.0.0:xxx] bind(..) failed: 权限不够
2024-08-28 11:41:43
最近把操作系统迁移到了deepin,不得不说Linux中需要学习的还是有很多的，本地启动网关的时候就遇到一个坑，特此记录一下，报错信息。
Caused by: reactor.netty.ChannelBindException: Failed to bind on [0.0.0.0:188]
Suppressed: java.lang.Exception: #block terminated with an error
at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:133) ~[reactor-core-3.2.19.RELEASE.jar:3.2.19.RELEASE]
at reactor.core.publisher.Mono.block(Mono.java:1531) ~[reactor-core-3.2.19.RELEASE.jar:3.2.19.RELEASE]
at reactor.netty.http.server.HttpServer.bindNow(HttpServer.java:128) ~[reactor-netty-0.8.20.RELEASE.jar:0.8.20.RELEASE]
at reactor.netty.http.server.HttpServer.bindNow(HttpServer.java:111) ~[reactor-netty-0.8.20.RELEASE.jar:0.8.20.RELEASE]
at org.springframework.boot.web.embedded.netty.NettyWebServer.startHttpServer(NettyWebServer.java:102) ~[spring-boot-2.1.16.RELEASE.jar:2.1.16.RELEASE]
at org.springframework.boot.web.embedded.netty.NettyWebServer.start(NettyWebServer.java:73) ~[spring-boot-2.1.16.RELEASE.jar:2.1.16.RELEASE]
at org.springframework.boot.web.reactive.context.ReactiveWebServerApplicationContext$ServerManager.start(ReactiveWebServerApplicationContext.java:223) ~[spring-boot-2.1.16.RELEASE.jar:2.1.16.RELEASE]
at org.springframework.boot.web.reactive.context.ReactiveWebServerApplicationContext.startReactiveWebServer(ReactiveWebServerApplicationContext.java:124) ~[spring-boot-2.1.16.RELEASE.jar:2.1.16.RELEASE]
at org.springframework.boot.web.reactive.context.ReactiveWebServerApplicationContext.finishRefresh(ReactiveWebServerApplicationContext.java:116) ~[spring-boot-2.1.16.RELEASE.jar:2.1.16.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:553) ~[spring-context-5.1.17.RELEASE.jar:5.1.17.RELEASE]
at org.springframework.boot.web.reactive.context.ReactiveWebServerApplicationContext.refresh(ReactiveWebServerApplicationContext.java:66) ~[spring-boot-2.1.16.RELEASE.jar:2.1.16.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:744) ~[spring-boot-2.1.16.RELEASE.jar:2.1.16.RELEASE]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:391) ~[spring-boot-2.1.16.RELEASE.jar:2.1.16.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:312) ~[spring-boot-2.1.16.RELEASE.jar:2.1.16.RELEASE]
at org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuilder.java:140) [spring-boot-2.1.16.RELEASE.jar:2.1.16.RELEASE]
at org.muyuan.core.launch.MuyuanApplication.run(MuyuanApplication.java:35) [muyuan-core-launch-2.6.0.RELEASE.jar:na]
at org.muyuan.gateway.GateWayApplication.main(GateWayApplication.java:18) [classes/:na]
Caused by: io.netty.channel.unix.Errors$NativeIoException: bind(..) failed: 权限不够
注意关键信息bind 188端口提示，权限不够。原来是Linux下1024以下的端口需要sudo,通过修改端口就可以正常启动了。
或者这样来授权你的可执行路径
setcap cap_net_bind_service=+eip /home/tengine/nginx/tengine/sbin/nginx
清除授权
setcap -r nginx
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