java.util.concurrent.ExecutionException错误信息，这里给出解决方案，大家根据具体要求更改。
SEVERE: A child container failed during start java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/WebApp]] at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222) at java.util.concurrent.FutureTask.get(FutureTask.java:83) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1123) at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:800) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:619) Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/WebApp]] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154) ... 7 more Caused by: java.lang.RuntimeException: Unexpected element value kind in annotation: 0 at org.apache.tomcat.util.bcel.classfile.ElementValue.readElementValue(ElementValue.java:129) at org.apache.tomcat.util.bcel.classfile.AnnotationEntry.read(AnnotationEntry.java:59) at org.apache.tomcat.util.bcel.classfile.Annotations.<init>(Annotations.java:49) at org.apache.tomcat.util.bcel.classfile.RuntimeVisibleAnnotations.<init>(RuntimeVisibleAnnotations.java:51) at org.apache.tomcat.util.bcel.classfile.Attribute.readAttribute(Attribute.java:147) at org.apache.tomcat.util.bcel.classfile.FieldOrMethod.<init>(FieldOrMethod.java:58) at org.apache.tomcat.util.bcel.classfile.Method.<init>(Method.java:72) at org.apache.tomcat.util.bcel.classfile.ClassParser.readMethods(ClassParser.java:268) at org.apache.tomcat.util.bcel.classfile.ClassParser.parse(ClassParser.java:128) at org.apache.catalina.startup.ContextConfig.processAnnotationsStream(ContextConfig.java:2118) at org.apache.catalina.startup.ContextConfig.processAnnotationsFile(ContextConfig.java:2093) at org.apache.catalina.startup.ContextConfig.processAnnotationsFile(ContextConfig.java:2086) at org.apache.catalina.startup.ContextConfig.processAnnotationsFile(ContextConfig.java:2086) at org.apache.catalina.startup.ContextConfig.processAnnotationsFile(ContextConfig.java:2086) at org.apache.catalina.startup.ContextConfig.processAnnotationsFile(ContextConfig.java:2086) at org.apache.catalina.startup.ContextConfig.processAnnotationsFile(ContextConfig.java:2086) at org.apache.catalina.startup.ContextConfig.processAnnotationsFile(ContextConfig.java:2086) at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1293) at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:878) at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:376) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119) at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5322) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) ... 7 more May 26, 2014 6:19:09 PM org.apache.catalina.core.ContainerBase startInternal
今天运行eclipse 运行tomcat启动不了，不知道啥情况，通过调查发现是因为springmvc中controller类有一个url报错了
解决问题方法：
1.web.xml出现了问题
检查<url-pattern></url-pattern>中配置的内容是否缺少“/” ,"/"表示当前web应用。
@WebFilter("/*")
2.如果是springmvc检查controller类中@RequestMapping(value =是否有报错的情况
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