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大抵是最全的Tomcat启动报A child container failed during start问题解决

我们首先来看看报错

  1. java.net.BindException: Address already in use: JVM_Bind <null>:8080
  2.     at org.apache.tomcat.util.net.JIoEndpoint.bind(JIoEndpoint.java:407)
  3.     at org.apache.tomcat.util.net.AbstractEndpoint.init(AbstractEndpoint.java:623)
  4.     at org.apache.coyote.AbstractProtocol.init(AbstractProtocol.java:434)
  5.     at org.apache.coyote.http11.AbstractHttp11JsseProtocol.init(AbstractHttp11JsseProtocol.java:119)
  6.     at org.apache.catalina.connector.Connector.initInternal(Connector.java:981)
  7.     at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)
  8.     at org.apache.catalina.core.StandardService.initInternal(StandardService.java:559)
  9.     at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)
  10.     at org.apache.catalina.core.StandardServer.initInternal(StandardServer.java:814)
  11.     at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)
  12.     at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:139)
  13.     at org.apache.catalina.startup.Tomcat.start(Tomcat.java:341)
  14.     at org.apache.tomcat.maven.plugin.tomcat7.run.AbstractRunMojo.startContainer(AbstractRunMojo.java:1238)
  15.     at org.apache.tomcat.maven.plugin.tomcat7.run.AbstractRunMojo.execute(AbstractRunMojo.java:592)
  16.     at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:137)
  17.     at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:210)
  18.     at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:156)
  19.     at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:148)
  20.     at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:117)
  21.     at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:81)
  22.     at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:56)
  23.     at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
  24.     at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:305)
  25.     at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:192)
  26.     at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:105)
  27.     at org.apache.maven.cli.MavenCli.execute(MavenCli.java:957)
  28.     at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:289)
  29.     at org.apache.maven.cli.MavenCli.main(MavenCli.java:193)
  30.     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  31.     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  32.     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  33.     at java.lang.reflect.Method.invoke(Method.java:498)
  34.     at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:282)
  35.     at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:225)
  36.     at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:406)
  37.     at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:347)
  38.     at org.codehaus.classworlds.Launcher.main(Launcher.java:47)
  39. Caused by: java.net.BindException: Address already in use: JVM_Bind
  40.     at java.net.DualStackPlainSocketImpl.bind0(Native Method)
  41.     at java.net.DualStackPlainSocketImpl.socketBind(DualStackPlainSocketImpl.java:106)
  42.     at java.net.AbstractPlainSocketImpl.bind(AbstractPlainSocketImpl.java:387)
  43.     at java.net.PlainSocketImpl.bind(PlainSocketImpl.java:190)
  44.     at java.net.ServerSocket.bind(ServerSocket.java:375)
  45.     at java.net.ServerSocket.<init>(ServerSocket.java:237)
  46.     at java.net.ServerSocket.<init>(ServerSocket.java:181)
  47.     at org.apache.tomcat.util.net.DefaultServerSocketFactory.createSocket(DefaultServerSocketFactory.java:49)
  48.     at org.apache.tomcat.util.net.JIoEndpoint.bind(JIoEndpoint.java:394)
  49.     ... 36 more
  50. 四月 05, 2023 3:42:30 下午 org.apache.catalina.core.StandardService initInternal
  51. 严重: Failed to initialize connector [Connector[HTTP/1.1-8080]]
  52. org.apache.catalina.LifecycleException: Failed to initialize component [Connector[HTTP/1.1-8080]]
  53.     at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:106)
  54.     at org.apache.catalina.core.StandardService.initInternal(StandardService.java:559)
  55.     at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)
  56.     at org.apache.catalina.core.StandardServer.initInternal(StandardServer.java:814)
  57.     at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)
  58.     at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:139)
  59.     at org.apache.catalina.startup.Tomcat.start(Tomcat.java:341)
  60.     at org.apache.tomcat.maven.plugin.tomcat7.run.AbstractRunMojo.startContainer(AbstractRunMojo.java:1238)
  61.     at org.apache.tomcat.maven.plugin.tomcat7.run.AbstractRunMojo.execute(AbstractRunMojo.java:592)
  62.     at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:137)
  63.     at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:210)
  64.     at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:156)
  65.     at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:148)
  66.     at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:117)
  67.     at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:81)
  68.     at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:56)
  69.     at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
  70.     at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:305)
  71.     at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:192)
  72.     at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:105)
  73.     at org.apache.maven.cli.MavenCli.execute(MavenCli.java:957)
  74.     at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:289)
  75.     at org.apache.maven.cli.MavenCli.main(MavenCli.java:193)
  76.     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  77.     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  78.     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  79.     at java.lang.reflect.Method.invoke(Method.java:498)
  80.     at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:282)
  81.     at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:225)
  82.     at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:406)
  83.     at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:347)
  84.     at org.codehaus.classworlds.Launcher.main(Launcher.java:47)
  85. Caused by: org.apache.catalina.LifecycleException: Protocol handler initialization failed
  86.     at org.apache.catalina.connector.Connector.initInternal(Connector.java:983)
  87.     at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)
  88.     ... 31 more
  89. Caused by: java.net.BindException: Address already in use: JVM_Bind <null>:8080
  90.     at org.apache.tomcat.util.net.JIoEndpoint.bind(JIoEndpoint.java:407)
  91.     at org.apache.tomcat.util.net.AbstractEndpoint.init(AbstractEndpoint.java:623)
  92.     at org.apache.coyote.AbstractProtocol.init(AbstractProtocol.java:434)
  93.     at org.apache.coyote.http11.AbstractHttp11JsseProtocol.init(AbstractHttp11JsseProtocol.java:119)
  94.     at org.apache.catalina.connector.Connector.initInternal(Connector.java:981)
  95.     ... 32 more
  96. Caused by: java.net.BindException: Address already in use: JVM_Bind
  97.     at java.net.DualStackPlainSocketImpl.bind0(Native Method)
  98.     at java.net.DualStackPlainSocketImpl.socketBind(DualStackPlainSocketImpl.java:106)
  99.     at java.net.AbstractPlainSocketImpl.bind(AbstractPlainSocketImpl.java:387)
  100.     at java.net.PlainSocketImpl.bind(PlainSocketImpl.java:190)
  101.     at java.net.ServerSocket.bind(ServerSocket.java:375)
  102.     at java.net.ServerSocket.<init>(ServerSocket.java:237)
  103.     at java.net.ServerSocket.<init>(ServerSocket.java:181)
  104.     at org.apache.tomcat.util.net.DefaultServerSocketFactory.createSocket(DefaultServerSocketFactory.java:49)
  105.     at org.apache.tomcat.util.net.JIoEndpoint.bind(JIoEndpoint.java:394)
  106.     ... 36 more
  107. 四月 05, 2023 3:42:30 下午 org.apache.catalina.core.StandardService startInternal
  108. 信息: Starting service Tomcat
  109. 四月 05, 2023 3:42:30 下午 org.apache.catalina.core.StandardEngine startInternal
  110. 信息: Starting Servlet Engine: Apache Tomcat/7.0.47
  111. 四月 05, 2023 3:42:31 下午 org.apache.catalina.core.ContainerBase startInternal
  112. 严重: A child container failed during start
  113. java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat].StandardHost[localhost].StandardContext[]]
  114.     at java.util.concurrent.FutureTask.report(FutureTask.java:122)
  115.     at java.util.concurrent.FutureTask.get(FutureTask.java:192)
  116.     at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1123)
  117.     at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:800)
  118.     at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
  119.     at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
  120.     at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
  121.     at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  122.     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  123.     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  124.     at java.lang.Thread.run(Thread.java:748)
  125. Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat].StandardHost[localhost].StandardContext[]]
  126.     at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
  127.     ... 6 more
  128. Caused by: java.lang.IllegalArgumentException: The servlets named [com.anglyao.ServletDemo2] and [com.anglyao.ServletDemo3] are both mapped to the url-pattern [/demo2] which is not permitted
  129.     at org.apache.catalina.deploy.WebXml.addServletMapping(WebXml.java:335)
  130.     at org.apache.catalina.startup.ContextConfig.processAnnotationWebServlet(ContextConfig.java:2466)
  131.     at org.apache.catalina.startup.ContextConfig.processAnnotationsStream(ContextConfig.java:2148)
  132.     at org.apache.catalina.startup.ContextConfig.processAnnotationsFile(ContextConfig.java:2109)
  133.     at org.apache.catalina.startup.ContextConfig.processAnnotationsFile(ContextConfig.java:2102)
  134.     at org.apache.catalina.startup.ContextConfig.processAnnotationsFile(ContextConfig.java:2102)
  135.     at org.apache.catalina.startup.ContextConfig.processAnnotationsFile(ContextConfig.java:2102)
  136.     at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1293)
  137.     at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:878)
  138.     at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:376)
  139.     at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
  140.     at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
  141.     at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5322)
  142.     at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
  143.     ... 6 more
  144. 四月 05, 2023 3:42:31 下午 org.apache.catalina.core.ContainerBase startInternal
  145. 严重: A child container failed during start
  146. java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat].StandardHost[localhost]]
  147.     at java.util.concurrent.FutureTask.report(FutureTask.java:122)
  148.     at java.util.concurrent.FutureTask.get(FutureTask.java:192)
  149.     at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1123)
  150.     at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:302)
  151.     at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
  152.     at org.apache.catalina.core.StandardService.startInternal(StandardService.java:443)
  153.     at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
  154.     at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:732)
  155.     at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
  156.     at org.apache.catalina.startup.Tomcat.start(Tomcat.java:341)
  157.     at org.apache.tomcat.maven.plugin.tomcat7.run.AbstractRunMojo.startContainer(AbstractRunMojo.java:1238)
  158.     at org.apache.tomcat.maven.plugin.tomcat7.run.AbstractRunMojo.execute(AbstractRunMojo.java:592)
  159.     at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:137)
  160.     at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:210)
  161.     at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:156)
  162.     at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:148)
  163.     at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:117)
  164.     at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:81)
  165.     at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:56)
  166.     at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
  167.     at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:305)
  168.     at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:192)
  169.     at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:105)
  170.     at org.apache.maven.cli.MavenCli.execute(MavenCli.java:957)
  171.     at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:289)
  172.     at org.apache.maven.cli.MavenCli.main(MavenCli.java:193)
  173.     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  174.     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  175.     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  176.     at java.lang.reflect.Method.invoke(Method.java:498)
  177.     at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:282)
  178.     at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:225)
  179.     at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:406)
  180.     at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:347)
  181.     at org.codehaus.classworlds.Launcher.main(Launcher.java:47)
  182. Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat].StandardHost[localhost]]
  183.     at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
  184.     at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
  185.     at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
  186.     at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  187.     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  188.     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  189.     at java.lang.Thread.run(Thread.java:748)
  190. Caused by: org.apache.catalina.LifecycleException: A child container failed during start
  191.     at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1131)
  192.     at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:800)
  193.     at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
  194.     ... 6 more

这样的报错信息不光臭长，而且极难理解，所以给大家列出几个常见的这种报错的解决方法：

1、servlet-api包冲突

出现这个问题的原因是导入了servlet-api包，与tomcat7的依赖包servlet-api冲突，可以检查pom.xml是否导入javax.servlet-api

加上

  1. <scope>provided</scope>

之后

  1.   <dependencies>
  2.     <dependency>
  3.       <groupId>javax.servlet</groupId>
  4.       <artifactId>javax.servlet-api</artifactId>
  5.       <version>3.1.0</version>
  6.       <scope>provided</scope>
  7.     </dependency>

再次运行，成功启动

2、不排除是版本问题，更换servlet版本试一试（但是我还没有遇到过）

3、冗余的配置或多余的代码

检查pom.xml中多余的配置，将多余的配置注释掉

4、路径重复

这一点也是最常见的错误，像我就是在学习的时候，图方便直接copy代码，导致新文件的

@WebServlet注释里的urlPatterns重复与老文件urlPatterns重复，更换一下路径名即可。

也有可能是你的urlPattens路径中的路径不对，好好检查一下。

标签： tomcat java jvm
本文转载自: https://blog.csdn.net/m0_65836249/article/details/129971753
版权归原作者 RicardoLou 所有， 如有侵权，请联系我们删除。
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