如何设置spring-boot以允许从外部IP地址访问Web服务器 [英] How to setup spring-boot to allow access to the webserver from outside IP addresses

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问题描述

我一直在研究如何在 spring-boot 中设置 tomact ，以允许从外部IP地址进行访问。目前我可以从locahost：port查看UI，但我无法从其他系统访问它。

I have been looking into how to setup tomact within spring-boot to allow access from outside IP addresses. Currently I can view the UI from locahost:port but I can not access this from other systems.

http://localhost:8081

当我登录到本地计算机时，它可以工作。

When I am logged into the local computer it works.

http://192.168.0.93:8081

当我登录本地计算机并尝试 http://192.168.0.93:8081 时，它不会工作。

When I am logged into the local computer and try http://192.168.0.93:8081 it does not work.

我想通过其无效的IP地址从另一台计算机访问用户界面。

I want to access the UI from another computer via its IP address it does not work.

http://192.168.0.93:8081

当我到达 springs 文档我发现你可以添加你希望tomcat设置web服务器以使用server.address的IP地址。这应该允许外部系统通过此IP地址访问服务器。

When I got to springs documentation I found you can add the IP address on which you want tomcat to set the webserver for using server.address. This should then allow the server to be accessed via this IP address by outside systems.

server.port=8082
server.address=192.168.0.93

如果我不提供地址但是我在提供地址并尝试运行它我遇到了绑定到该地址的问题。看起来像 spring-boot 已经分配了locahost：8082。

The port works fine if I do not supply the address but when I supply the address and try to run it I run into an issue for binding to that address. It looks like spring-boot has already assigned locahost:8082.

如何正确设置 spring-boot 允许外部地址访问tomact并在本地访问时识别自己的IP？

How do I correctly setup spring-boot to allow tomact to be accessed by outside addresses and recognize its own IP when accessed locally?

谢谢

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 sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
  at org.apache.tomcat.util.net.NioEndpoint.bind(NioEndpoint.java:340)
  at org.apache.tomcat.util.net.AbstractEndpoint.start(AbstractEndpoint.java:765)
  at org.apache.coyote.AbstractProtocol.start(AbstractProtocol.java:473)
  at org.apache.catalina.connector.Connector.startInternal(Connector.java:986)
  at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
  at org.apache.catalina.core.StandardService.addConnector(StandardService.java:239)
  at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer.addPreviouslyRemovedConnectors(TomcatEmbeddedServletContainer.java:194)
  at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer.start(TomcatEmbeddedServletContainer.java:151)
  at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.startEmbeddedServletContainer(EmbeddedWebApplicationContext.java:293)
  at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.finishRefresh(EmbeddedWebApplicationContext.java:141)
  at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:541)
  at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118)
  at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:766)
  at org.springframework.boot.SpringApplication.createAndRefreshContext(SpringApplication.java:361)
  at org.springframework.boot.SpringApplication.run(SpringApplication.java:307)
  at org.springframework.boot.SpringApplication.run(SpringApplication.java:1191)
  at org.springframework.boot.SpringApplication.run(SpringApplication.java:1180)
  at com.miw.mcb.server.ReactAndSpringDataRestApplication.main(ReactAndSpringDataRestApplication.java:18)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  at java.lang.reflect.Method.invoke(Method.java:498)
  at org.springframework.boot.maven.AbstractRunMojo$LaunchRunner.run(AbstractRunMojo.java:478)
  at java.lang.Thread.run(Thread.java:745)
2016-05-25 11:24:30 - Failed to start connector [Connector[HTTP/1.1-8081]]
org.apache.catalina.LifecycleException: Failed to start component [Connector[HTTP/1.1-8081]]
  at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:153)
  at org.apache.catalina.core.StandardService.addConnector(StandardService.java:239)
  at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer.addPreviouslyRemovedConnectors(TomcatEmbeddedServletContainer.java:194)
  at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer.start(TomcatEmbeddedServletContainer.java:151)
  at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.startEmbeddedServletContainer(EmbeddedWebApplicationContext.java:293)
  at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.finishRefresh(EmbeddedWebApplicationContext.java:141)
  at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:541)
  at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118)
  at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:766)
  at org.springframework.boot.SpringApplication.createAndRefreshContext(SpringApplication.java:361)
  at org.springframework.boot.SpringApplication.run(SpringApplication.java:307)
  at org.springframework.boot.SpringApplication.run(SpringApplication.java:1191)
  at org.springframework.boot.SpringApplication.run(SpringApplication.java:1180)
  at com.miw.mcb.server.ReactAndSpringDataRestApplication.main(ReactAndSpringDataRestApplication.java:18)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  at java.lang.reflect.Method.invoke(Method.java:498)
  at org.springframework.boot.maven.AbstractRunMojo$LaunchRunner.run(AbstractRunMojo.java:478)
  at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.catalina.LifecycleException: service.getName(): "Tomcat";  Protocol handler start failed
  at org.apache.catalina.connector.Connector.startInternal(Connector.java:993)
  at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
  ... 19 common frames omitted
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 sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
  at org.apache.tomcat.util.net.NioEndpoint.bind(NioEndpoint.java:340)
  at org.apache.tomcat.util.net.AbstractEndpoint.start(AbstractEndpoint.java:765)
  at org.apache.coyote.AbstractProtocol.start(AbstractProtocol.java:473)
  at org.apache.catalina.connector.Connector.startInternal(Connector.java:986)
  ... 20 common frames omitted
2016-05-25 11:24:30 - Pausing ProtocolHandler ["http-nio-192.168.0.93-8081"]
2016-05-25 11:24:30 - Stopping service Tomcat
2016-05-25 11:24:30 - The stop() method was called on component [StandardServer[-1]] after stop() had already been called. The second call will be ignored.
2016-05-25 11:24:30 - Stopping ProtocolHandler ["http-nio-192.168.0.93-8081"]
2016-05-25 11:24:30 - Destroying ProtocolHandler ["http-nio-192.168.0.93-8081"]
2016-05-25 11:24:30 - Application startup failed
org.springframework.boot.context.embedded.EmbeddedServletContainerException: Unable to start embedded Tomcat servlet container
  at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer.start(TomcatEmbeddedServletContainer.java:165)
  at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.startEmbeddedServletContainer(EmbeddedWebApplicationContext.java:293)
  at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.finishRefresh(EmbeddedWebApplicationContext.java:141)
  at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:541)
  at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118)
  at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:766)
  at org.springframework.boot.SpringApplication.createAndRefreshContext(SpringApplication.java:361)
  at org.springframework.boot.SpringApplication.run(SpringApplication.java:307)
  at org.springframework.boot.SpringApplication.run(SpringApplication.java:1191)
  at org.springframework.boot.SpringApplication.run(SpringApplication.java:1180)
  at com.miw.mcb.server.ReactAndSpringDataRestApplication.main(ReactAndSpringDataRestApplication.java:18)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  at java.lang.reflect.Method.invoke(Method.java:498)
  at org.springframework.boot.maven.AbstractRunMojo$LaunchRunner.run(AbstractRunMojo.java:478)
  at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.IllegalStateException: Tomcat connector in failed state
  at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer.start(TomcatEmbeddedServletContainer.java:159)
  ... 16 common frames omitted

解决方案

请参阅以下答案

推荐答案

由于有这么多人看过这个问题。解决方案是确保在主机CentOS计算机上正确配置防火墙，而不是明确设置服务器地址。

Since so many people have viewed this question. The resolution was to make sure the firewall was configured correctly on the hosting CentOS machine and not set the server address explicitly.

错误设置

之前的失败防火墙设置错误

server.port=8081
server.address=192.168.0.93

正确设置防火墙后，您无需指定server.address只是端口。

正确设置 

server.port=8081

这使我可以使用其ip从其他系统正确访问应用程序。

This allowed me to access the application correctly from other systems using its ip.

http://<someip>:<server.port>
http://192.168.0.93:8081

这篇关于如何设置spring-boot以允许从外部IP地址访问Web服务器的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！

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