端口号被占用

java.net.BindException: Address already in use: JVM_Bind :8080
	at org.apache.tomcat.util.net.JIoEndpoint.init(JIoEndpoint.java:549)
	at org.apache.coyote.http11.Http11Protocol.init(Http11Protocol.java:176)
	at org.apache.catalina.connector.Connector.initialize(Connector.java:1014)
	at org.apache.catalina.startup.Embedded.start(Embedded.java:830)
	at org.codehaus.mojo.tomcat.AbstractRunMojo.startContainer(AbstractRunMojo.java:558)
	at org.codehaus.mojo.tomcat.AbstractRunMojo.execute(AbstractRunMojo.java:255)
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:207)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
	at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:863)
	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:288)
	at org.apache.maven.cli.MavenCli.main(MavenCli.java:199)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Caused by: java.net.BindException: Address already in use: JVM_Bind
	at java.net.DualStackPlainSocketImpl.bind0(Native Method)
	at java.net.DualStackPlainSocketImpl.socketBind(Unknown Source)
	at java.net.AbstractPlainSocketImpl.bind(Unknown Source)
	at java.net.PlainSocketImpl.bind(Unknown Source)
	at java.net.ServerSocket.bind(Unknown Source)
	at java.net.ServerSocket.(Unknown Source)
	at java.net.ServerSocket.(Unknown Source)
	at org.apache.tomcat.util.net.DefaultServerSocketFactory.createSocket(DefaultServerSocketFactory.java:50)
	at org.apache.tomcat.util.net.JIoEndpoint.init(JIoEndpoint.java:538)
	... 27 more

问题：tomcat8080端口号占用

解决方案：

1.查看端口

命令：netstat -ano

显示如下：

本地地址的冒号对应就是端口号，找到其对应的PID

2.根据PID找服务

命令：tasklist|findstr "2104（自己所对应的PID）"

显示如下：

3.终止对应服务

命令：taskkill /f /t /im TNSLSNR.EXE（服务名）