怎么解决tomcat端口占用问题?

怎么解决tomcat端口占用问题?

今天启动SpringBoot项目的时候，出现了这么一个错误，根据错误提示，大概是说我们的启动端口8080当前已经被系统给占用了，所以我们启动的时候再使用这个端口，明显就有问题，所以解决办法就是找到系统当前占用8080端口的进程，然后干掉它即可。

09:12:00.399 [restartedMain] ERROR o.a.c.u.LifecycleBase - [log,175] - Failed to start component [Connector[HTTP/1.1-8080]]org.apache.catalina.LifecycleException: Protocol handler start failed at org.apache.catalina.connector.Connector.startInternal(Connector.java:1001) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.StandardService.addConnector(StandardService.java:225) at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.addPreviouslyRemovedConnectors(TomcatWebServer.java:259) at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.start(TomcatWebServer.java:197) at org.springframework.boot.web.servlet.context.ServletWebServerAPPlicationContext.startWebServer(ServletWebServerApplicationContext.java:311) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:164) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) at com.ruoyi.RuoYiApplication.main(RuoYiApplication.java:18) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49)Caused by: java-.BindException: Address already in use: bind at java.base/sun.nio.ch.Net.bind0(Native Method) at java.base/sun.nio.ch.Net.bind(Net.java:455) at java.base/sun.nio.ch.Net.bind(Net.java:447) at java.base/sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:227) at java.base/sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:80) at org.apache.tomcat.util-.NioEndpoint.initServerSocket(NioEndpoint.java:236) at org.apache.tomcat.util-.NioEndpoint.bind(NioEndpoint.java:210) at org.apache.tomcat.util-.AbstractEndpoint.bindWithCleanup(AbstractEndpoint.java:1067) at org.apache.tomcat.util-.AbstractEndpoint.start(AbstractEndpoint.java:1149) at org.apache.coyote.AbstractProtocol.start(AbstractProtocol.java:561) at org.apache.catalina.connector.Connector.startInternal(Connector.java:998) ... 19 common frames omitted09:12:00.441 [restartedMain] ERROR o.s.b.d.LoggingFailureAnalysisReporter - [report,42] - ***************************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.Action:Verify the connector's configuration, identify and stop any process that's listening on port 8080, or configure this application to listen on another port.09:16:59.149 [restartedMain] ERROR o.a.c.u.LifecycleBase - [log,175] - Failed to start component [Connector[HTTP/1.1-8080]]org.apache.catalina.LifecycleException: Protocol handler start failed at org.apache.catalina.connector.Connector.startInternal(Connector.java:1001) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.StandardService.addConnector(StandardService.java:225) at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.addPreviouslyRemovedConnectors(TomcatWebServer.java:259) at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.start(TomcatWebServer.java:197) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.startWebServer(ServletWebServerApplicationContext.java:311) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:164) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) at com.ruoyi.RuoYiApplication.main(RuoYiApplication.java:18) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49)Caused by: java-.BindException: Address already in use: bind at java.base/sun.nio.ch.Net.bind0(Native Method) at java.base/sun.nio.ch.Net.bind(Net.java:455) at java.base/sun.nio.ch.Net.bind(Net.java:447) at java.base/sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:227) at java.base/sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:80) at org.apache.tomcat.util-.NioEndpoint.initServerSocket(NioEndpoint.java:236) at org.apache.tomcat.util-.NioEndpoint.bind(NioEndpoint.java:210) at org.apache.tomcat.util-.AbstractEndpoint.bindWithCleanup(AbstractEndpoint.java:1067) at org.apache.tomcat.util-.AbstractEndpoint.start(AbstractEndpoint.java:1149) at org.apache.coyote.AbstractProtocol.start(AbstractProtocol.java:561) at org.apache.catalina.connector.Connector.startInternal(Connector.java:998) ... 19 common frames omitted09:16:59.178 [restartedMain] ERROR o.s.b.d.LoggingFailureAnalysisReporter - [report,42] - ***************************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.Action:Verify the connector's configuration, identify and stop any process that's listening on port 8080, or configure this application to listen on another port.09:18:28.290 [restartedMain] ERROR o.a.c.u.LifecycleBase - [log,175] - Failed to start component [Connector[HTTP/1.1-8080]]org.apache.catalina.LifecycleException: Protocol handler start failed at org.apache.catalina.connector.Connector.startInternal(Connector.java:1001) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.StandardService.addConnector(StandardService.java:225) at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.addPreviouslyRemovedConnectors(TomcatWebServer.java:259) at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.start(TomcatWebServer.java:197) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.startWebServer(ServletWebServerApplicationContext.java:311) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:164) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) at com.ruoyi.RuoYiApplication.main(RuoYiApplication.java:18) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49)Caused by: java-.BindException: Address already in use: bind at java.base/sun.nio.ch.Net.bind0(Native Method) at java.base/sun.nio.ch.Net.bind(Net.java:455) at java.base/sun.nio.ch.Net.bind(Net.java:447) at java.base/sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:227) at java.base/sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:80) at org.apache.tomcat.util-.NioEndpoint.initServerSocket(NioEndpoint.java:236) at org.apache.tomcat.util-.NioEndpoint.bind(NioEndpoint.java:210) at org.apache.tomcat.util-.AbstractEndpoint.bindWithCleanup(AbstractEndpoint.java:1067) at org.apache.tomcat.util-.AbstractEndpoint.start(AbstractEndpoint.java:1149) at org.apache.coyote.AbstractProtocol.start(AbstractProtocol.java:561) at org.apache.catalina.connector.Connector.startInternal(Connector.java:998) ... 19 common frames omitted09:18:28.314 [restartedMain] ERROR o.s.b.d.LoggingFailureAnalysisReporter - [report,42] - ***************************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.Action:Verify the connector's configuration, identify and stop any process that's listening on port 8080, or configure this application to listen on another port.09:19:36.389 [restartedMain] ERROR o.a.c.u.LifecycleBase - [log,175] - Failed to start component [Connector[HTTP/1.1-8080]]org.apache.catalina.LifecycleException: Protocol handler start failed at org.apache.catalina.connector.Connector.startInternal(Connector.java:1001) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.StandardService.addConnector(StandardService.java:225) at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.addPreviouslyRemovedConnectors(TomcatWebServer.java:259) at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.start(TomcatWebServer.java:197) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.startWebServer(ServletWebServerApplicationContext.java:311) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:164) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) at com.ruoyi.RuoYiApplication.main(RuoYiApplication.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.devtools.restart.RestartLauncher.run(RestartLauncher.java:49)Caused by: java-.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-.NioEndpoint.initServerSocket(NioEndpoint.java:236) at org.apache.tomcat.util-.NioEndpoint.bind(NioEndpoint.java:210) at org.apache.tomcat.util-.AbstractEndpoint.bindWithCleanup(AbstractEndpoint.java:1067) at org.apache.tomcat.util-.AbstractEndpoint.start(AbstractEndpoint.java:1149) at org.apache.coyote.AbstractProtocol.start(AbstractProtocol.java:561) at org.apache.catalina.connector.Connector.startInternal(Connector.java:998) ... 19 common frames omitted09:19:36.417 [restartedMain] ERROR o.s.b.d.LoggingFailureAnalysisReporter - [report,42] - ***************************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.Action:Verify the connector's configuration, identify and stop any process that's listening on port 8080, or configure this application to listen on another port.09:24:25.799 [restartedMain] ERROR o.a.c.u.LifecycleBase - [log,175] - Failed to start component [Connector[HTTP/1.1-8080]]org.apache.catalina.LifecycleException: Protocol handler start failed at org.apache.catalina.connector.Connector.startInternal(Connector.java:1001) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.StandardService.addConnector(StandardService.java:225) at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.addPreviouslyRemovedConnectors(TomcatWebServer.java:259) at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.start(TomcatWebServer.java:197) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.startWebServer(ServletWebServerApplicationContext.java:311) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:164) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) at com.ruoyi.RuoYiApplication.main(RuoYiApplication.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.devtools.restart.RestartLauncher.run(RestartLauncher.java:49)Caused by: java-.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-.NioEndpoint.initServerSocket(NioEndpoint.java:236) at org.apache.tomcat.util-.NioEndpoint.bind(NioEndpoint.java:210) at org.apache.tomcat.util-.AbstractEndpoint.bindWithCleanup(AbstractEndpoint.java:1067) at org.apache.tomcat.util-.AbstractEndpoint.start(AbstractEndpoint.java:1149) at org.apache.coyote.AbstractProtocol.start(AbstractProtocol.java:561) at org.apache.catalina.connector.Connector.startInternal(Connector.java:998) ... 19 common frames omitted09:24:25.830 [restartedMain] ERROR o.s.b.d.LoggingFailureAnalysisReporter - [report,42] - ***************************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.Action:Verify the connector's configuration, identify and stop any process that's listening on port 8080, or configure this application to listen on another port.

解决办法：

第一步：  打开cmd命令窗口  输入如下指令查看所有端口和PID

netstat -ano

第二步： 找到对应的端口对应的PID  输入指令找到对应的进程

tasklist | findstr PID

第三步：杀掉该进程

taskkill /f /t /im 进程名称

进程结束之后，再重新启动项目，即可解决该问题。

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