springmvc程序启动时候抛异常

最近在学习Springmvc，启动server发现如下异常：

开发环境：eclipseJDK7 Tomcat7.0

严重: A child container failed during startjava.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/springmvc02]]at java.util.concurrent.FutureTask.report(Unknown Source)at java.util.concurrent.FutureTask.get(Unknown Source)at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1120)at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:819)at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1572)at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1562)at java.util.concurrent.FutureTask.run(Unknown Source)at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)at java.lang.Thread.run(Unknown Source)Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/springmvc02]]at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:153)... 6 moreCaused by: java.lang.IllegalArgumentException: Servlet mapping specifies an unknown servlet name springmvc03at org.apache.catalina.core.StandardContext.addServletMapping(StandardContext.java:3375)at org.apache.catalina.core.StandardContext.addServletMapping(StandardContext.java:3354)at org.apache.catalina.deploy.WebXml.configureContext(WebXml.java:1438)at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1357)at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:889)at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:386)at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5472)at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)... 6 more三月 26, 2016 8:09:45 上午 org.apache.catalina.core.ContainerBase startInternal严重: A child container failed during startjava.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost]]at java.util.concurrent.FutureTask.report(Unknown Source)at java.util.concurrent.FutureTask.get(Unknown Source)at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1120)at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:300)at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)at org.apache.catalina.core.StandardService.startInternal(StandardService.java:444)at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:738)at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)at org.apache.catalina.startup.Catalina.start(Catalina.java:693)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.apache.catalina.startup.Bootstrap.start(Bootstrap.java:294)at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:428)Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost]]at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:153)at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1572)at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1562)at java.util.concurrent.FutureTask.run(Unknown Source)at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)at java.lang.Thread.run(Unknown Source)Caused by: org.apache.catalina.LifecycleException: A child container failed during startat org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1128)at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:819)at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)... 6 more三月 26, 2016 8:09:45 上午 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:153)at org.apache.catalina.startup.Catalina.start(Catalina.java:693)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.apache.catalina.startup.Bootstrap.start(Bootstrap.java:294)at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:428)Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardService[Catalina]]at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:153)at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:738)at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)... 7 moreCaused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina]]at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:153)at org.apache.catalina.core.StandardService.startInternal(StandardService.java:444)at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)... 9 moreCaused by: org.apache.catalina.LifecycleException: A child container failed during startat org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1128)at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:300)at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)... 11 more三月 26, 2016 8:09:45 上午 org.apache.coyote.AbstractProtocol pause信息: Pausing ProtocolHandler ["http-bio-8080"]三月 26, 2016 8:09:45 上午 org.apache.coyote.AbstractProtocol pause信息: Pausing ProtocolHandler ["ajp-bio-8009"]三月 26, 2016 8:09:45 上午 org.apache.catalina.core.StandardService stopInternal信息: Stopping service Catalina三月 26, 2016 8:09:45 上午 org.apache.coyote.AbstractProtocol destroy信息: Destroying ProtocolHandler ["http-bio-8080"]三月 26, 2016 8:09:45 上午 org.apache.coyote.AbstractProtocol destroy信息: Destroying ProtocolHandler ["ajp-bio-8009"]

网上查找好多方法最终都没有解决，最后我逐一注释掉配置内容发现，<servlet-mapping> 中的   <servlet-name>和前面配置的servlet中的    <servlet-name>不一样，最后我把其改成一样，问题得到解决。