解决问题 The Tomcat connector configured to listen on port 8080 failed to start.

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最新推荐文章于 2024-10-09 12:23:55 发布

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分类专栏：开发工具合集源码架设详解文章标签： Failed to start component

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本文详细介绍了当Tomcat服务器在尝试启动时遇到8080端口被占用的错误时，如何通过一系列步骤定位并解决端口冲突问题，包括使用命令行工具查找占用端口的进程并终止。

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错误过程:

org.apache.catalina.LifecycleException: Failed to start component [Connector[HTTP/1.1-8080]]
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:167) ~[tomcat-embed-core-8.5.31.jar:8.5.31]
	at org.apache.catalina.core.StandardService.addConnector(StandardService.java:225) ~[tomcat-embed-core-8.5.31.jar:8.5.31]
	at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.addPreviouslyRemovedConnectors(TomcatWebServer.java:256) [spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]
	at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.start(TomcatWebServer.java:198) [spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]
	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.startWebServer(ServletWebServerApplicationContext.java:300) [spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]
	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:162) [spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:553) [spring-context-5.0.7.RELEASE.jar:5.0.7.RELEASE]
	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:140) [spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]
	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759) [spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]
	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:395) [spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:327) [spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1255) [spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1243) [spring-boot-2.0.3.RELEASE.jar:2.0.3.RELEASE]
	at com.ray.lesson5.Lesson5Application.main(Lesson5Application.java:10) [classes/:na]
Caused by: org.apache.catalina.LifecycleException: Protocol handler start failed
	at org.apache.catalina.connector.Connector.startInternal(Connector.java:1020) ~[tomcat-embed-core-8.5.31.jar:8.5.31]
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) ~[tomcat-embed-core-8.5.31.jar:8.5.31]
	... 13 common frames omitted
Caused by: java.net.BindException: Address already in use: bind
	at sun.nio.ch.Net.bind0(Native Method) ~[na:1.8.0_161]
	at sun.nio.ch.Net.bind(Net.java:433) ~[na:1.8.0_161]
	at sun.nio.ch.Net.bind(Net.java:425) ~[na:1.8.0_161]
	at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223) ~[na:1.8.0_161]
	at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74) ~[na:1.8.0_161]
	at org.apache.tomcat.util.net.NioEndpoint.bind(NioEndpoint.java:210) ~[tomcat-embed-core-8.5.31.jar:8.5.31]
	at org.apache.tomcat.util.net.AbstractEndpoint.start(AbstractEndpoint.java:1150) ~[tomcat-embed-core-8.5.31.jar:8.5.31]
	at org.apache.coyote.AbstractProtocol.start(AbstractProtocol.java:591) ~[tomcat-embed-core-8.5.31.jar:8.5.31]
	at org.apache.catalina.connector.Connector.startInternal(Connector.java:1018) ~[tomcat-embed-core-8.5.31.jar:8.5.31]
	... 14 common frames omitted
 
2018-06-26 20:48:00.990  INFO 15332 --- [           main] o.apache.catalina.core.StandardService   : Stopping service [Tomcat]
2018-06-26 20:48:00.997  INFO 15332 --- [           main] ConditionEvaluationReportLoggingListener : 
 
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2018-06-26 20:48:01.000 ERROR 15332 --- [           main] o.s.b.d.LoggingFailureAnalysisReporter   : 
 
***************************
APPLICATION FAILED TO START
***************************
 
Description:
 
The Tomcat connector configured to listen on port 8080 failed to start. The port may already be in use or the connector may be misconfigured.

原因:

8080端口被占用了.... 一脸懵逼? 没启动怎么被占用了...

解决:

1.打开cmd命令窗口输入如下指令查看所有端口和PID