Spring Boot 启动报错:LifecycleException: Failed to start component [Connector[HTTP/1.1-8777]]

Spring Boot 启动报错：org.apache.catalina.LifecycleException: Failed to start component [Connector[HTTP/1.1-8777]]

2019-04-03 15:32:51.797 ERROR 2752 --- [           main] org.apache.catalina.core.StandardService : Failed to start connector [Connector[HTTP/1.1-8777]]

org.apache.catalina.LifecycleException: Failed to start component [Connector[HTTP/1.1-8777]]
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:167)
	at org.apache.catalina.core.StandardService.addConnector(StandardService.java:225)
	at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.addPreviouslyRemovedConnectors(TomcatWebServer.java:256)
	at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.start(TomcatWebServer.java:198)
	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.startWebServer(ServletWebServerApplicationContext.java:300)
	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:162)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:553)
	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:140)
	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759)
	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:395)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:327)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1255)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1243)
	at com.magic.nzoth.MagicNzothWorkApplication.main(Magic....Application.java:21)
Caused by: org.apache.catalina.LifecycleException: Protocol handler start failed
	at org.apache.catalina.connector.Connector.startInternal(Connector.java:1020)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
	... 13 common frames omitted
Caused by: java.net.BindException: Address already in use: bind
	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:210)
	at org.apache.tomcat.util.net.AbstractEndpoint.start(AbstractEndpoint.java:1150)
	at org.apache.coyote.AbstractProtocol.start(AbstractProtocol.java:591)
	at org.apache.catalina.connector.Connector.startInternal(Connector.java:1018)
	... 14 common frames omitted

上网搜了一下，看到下边这篇文章：https://blog.****.net/Qrind/article/details/80622772

确实每个人的错误不可能完全一样，回来细致检查之后找到报错地址：

提示端口地址已被使用， 于是检查端口

 发现确实已存在服务占用8777端口

由于IDEA中的Run Dashboard窗口对于部分已启动已启动服务仅做置灰显示，如下图在finished 和 Running中存在同名项目，刚开始以为没启动，结果启动了重复的项目，最终导致最开始的报错信息。

全是坑啊，啥时候能不烦这种低级错误啊

路曼曼其修远兮