关于tomcat报错：org.apache.catalina.LifecycleException:

关于tomcat报错：org.apache.catalina.LifecycleException:

1. 错误信息：
   java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/jspweb]]
   at java.util.concurrent.FutureTask.report(FutureTask.java:122)
   at java.util.concurrent.FutureTask.get(FutureTask.java:192)
   at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:942)
   at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:872)
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
   at org.apache.catalina.core.ContainerBaseStartChild.call(ContainerBase.java:1423)atorg.apache.catalina.core.ContainerBaseStartChild.call(ContainerBase.java:1423) at org.apache.catalina.core.ContainerBaseStartChild.call(ContainerBase.java:1423)atorg.apache.catalina.core.ContainerBaseStartChild.call(ContainerBase.java:1413)
   at java.util.concurrent.FutureTask.run(FutureTask.java:266)
   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   at java.lang.Thread.run(Thread.java:748)
   Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/jspweb]]
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:167)
   … 6 more
   Caused by: java.lang.IllegalArgumentException: Servlet mapping specifies an unknown servlet name [test]
   at org.apache.catalina.core.StandardContext.addServletMappingDecoded(StandardContext.java:3209)
   at org.apache.catalina.core.StandardContext.addServletMappingDecoded(StandardContext.java:3200)
   at org.apache.catalina.startup.ContextConfig.configureContext(ContextConfig.java:1376)
   at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1156)
   at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:769)
   at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:299)
   at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:94)
   at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5134)
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
   … 6 more

八月 09, 2019 5:19:58 下午 org.apache.catalina.core.ContainerBase startInternal
严重: A child container failed during start
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost]]
at java.util.concurrent.FutureTask.report(FutureTask.java:122)
at java.util.concurrent.FutureTask.get(FutureTask.java:192)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:942)
at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.StandardService.startInternal(StandardService.java:422)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:793)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.startup.Catalina.start(Catalina.java:688)
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.apache.catalina.startup.Bootstrap.start(Bootstrap.java:353)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:493)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:167)
at org.apache.catalina.core.ContainerBaseStartChild.call(ContainerBase.java:1423)atorg.apache.catalina.core.ContainerBaseStartChild.call(ContainerBase.java:1423) at org.apache.catalina.core.ContainerBaseStartChild.call(ContainerBase.java:1423)atorg.apache.catalina.core.ContainerBaseStartChild.call(ContainerBase.java:1413)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.catalina.LifecycleException: A child container failed during start
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:953)
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:872)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
… 6 more
Caused by: java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/jspweb]]
at java.util.concurrent.FutureTask.report(FutureTask.java:122)
at java.util.concurrent.FutureTask.get(FutureTask.java:192)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:942)
… 8 more
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/jspweb]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:167)
… 6 more
Caused by: java.lang.IllegalArgumentException: Servlet mapping specifies an unknown servlet name [test]
at org.apache.catalina.core.StandardContext.addServletMappingDecoded(StandardContext.java:3209)
at org.apache.catalina.core.StandardContext.addServletMappingDecoded(StandardContext.java:3200)
at org.apache.catalina.startup.ContextConfig.configureContext(ContextConfig.java:1376)
at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1156)
at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:769)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:299)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:94)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5134)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
… 6 more

八月 09, 2019 5:19:58 下午 org.apache.catalina.startup.Catalina start
严重: The required Server component failed to start so Tomcat is unable to start.
org.apache.catalina.LifecycleException: Failed to start component [StandardServer[8005]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:167)
at org.apache.catalina.startup.Catalina.start(Catalina.java:688)
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.apache.catalina.startup.Bootstrap.start(Bootstrap.java:353)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:493)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardService[Catalina]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:167)
at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:793)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
… 7 more
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:167)
at org.apache.catalina.core.StandardService.startInternal(StandardService.java:422)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
… 9 more
Caused by: org.apache.catalina.LifecycleException: A child container failed during start
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:953)
at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
… 11 more
Caused by: java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost]]
at java.util.concurrent.FutureTask.report(FutureTask.java:122)
at java.util.concurrent.FutureTask.get(FutureTask.java:192)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:942)
… 13 more
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:167)
at org.apache.catalina.core.ContainerBaseStartChild.call(ContainerBase.java:1423)atorg.apache.catalina.core.ContainerBaseStartChild.call(ContainerBase.java:1423) at org.apache.catalina.core.ContainerBaseStartChild.call(ContainerBase.java:1423)atorg.apache.catalina.core.ContainerBaseStartChild.call(ContainerBase.java:1413)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.catalina.LifecycleException: A child container failed during start
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:953)
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:872)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
… 6 more
Caused by: java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/jspweb]]
at java.util.concurrent.FutureTask.report(FutureTask.java:122)
at java.util.concurrent.FutureTask.get(FutureTask.java:192)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:942)
… 8 more
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/jspweb]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:167)
… 6 more
Caused by: java.lang.IllegalArgumentException: Servlet mapping specifies an unknown servlet name [test]
at org.apache.catalina.core.StandardContext.addServletMappingDecoded(StandardContext.java:3209)
at org.apache.catalina.core.StandardContext.addServletMappingDecoded(StandardContext.java:3200)
at org.apache.catalina.startup.ContextConfig.configureContext(ContextConfig.java:1376)
at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1156)
at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:769)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:299)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:94)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5134)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
… 6 more

1. 注意此处加粗的错误：Servlet mapping specifies an unknown servlet name [test]**
2. 解决这个错误是/WEB—INF/web-xml文件配置出错，需要检查和修改配置项。
   4.
   修改图中标记处配置名相同即可。

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