转：maven项目端口被占用

旧城等待， 2022-05-20 07:19 278阅读 0赞

来源：https://blog.csdn.net/wang\_3600/article/details/78416724

java.net.BindException: Address already in use: JVM\_Bind <null>: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(NativeMethodAccessorImpl.java:57)  
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)  
at java.lang.reflect.Method.invoke(Method.java:606)  
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)  
at org.codehaus.classworlds.Launcher.main(Launcher.java:47)  
Caused by: java.net.BindException: Address already in use: JVM\_Bind  
at java.net.DualStackPlainSocketImpl.bind0(Native Method)  
at java.net.DualStackPlainSocketImpl.socketBind(DualStackPlainSocketImpl.java:106)  
at java.net.AbstractPlainSocketImpl.bind(AbstractPlainSocketImpl.java:376)  
at java.net.PlainSocketImpl.bind(PlainSocketImpl.java:190)  
at java.net.ServerSocket.bind(ServerSocket.java:376)  
at java.net.ServerSocket.<init>(ServerSocket.java:237)  
at java.net.ServerSocket.<init>(ServerSocket.java:181)  
at org.apache.tomcat.util.net.DefaultServerSocketFactory.createSocket(DefaultServerSocketFactory.java:50)  
at org.apache.tomcat.util.net.JIoEndpoint.init(JIoEndpoint.java:538)

... 28 more

这个错误是端口被占用，有时候我们会发现我们机器上的tomcat没有启动，也报这个错误，这其实是因为maven项目有自己的tomcat,他没有被关闭，可以采用如下方式解决

1.打开cmd

2.运行netstat   -ano|findstr 8080，这是找到8080端口被谁占用

3.运行taskkill /pid xxxx -t -f，其中xxxx指的是查出的占用端口程序的pid

4.再次启动，问题即可解决