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。
Parah: wadah anak gagal selama startjava.util.concurrent.executionException: org.apache.catalina.lifecycleException: Gagal Memulai Komponen [StandardEngine [Catalina] .Standardhost [LocalHost] .StandardContext [/Webapp] di java.util.concurrent.futuretask $ sync.innerget (futuretask.java:222) di java.util.concurrent.futuretask.get (futuretask.java:83) di org.apache.catalina.core.containbase.sartintern org.apache.catalina.core.standardhost.startinternal (standardhost.java:800) di org.apache.catalina.util.lifecyclebase.start (lifecyclebase.java:150) di org.apache.catalina.core.containerbase $ startchild.call (containerbase.java:1559) di org.apache.catalina.core.containerbase $ startchild.call (containerbase.java:1549) di java.util.concurrent.futuretask $ sync.innerrun (futuretask.java:303) di java.util.concurrent.futuretask.run (futuretask.java:138) di java.util.concurrent.treadpoolpoolexororororororororororororororororororororororororororororororororororororororororororororororor (concurrent.treadpoolpoolororororororororororororororororororororororororororororororororororororororororororororororororororor. java.util.concurrent.threadpoolexecutor $ worker.run (threadpoolexecutor.java:908) di java.lang.thread.run (thread.java:619) disebabkan oleh: org.apache.catalina.lifecyception: gagal untuk memulai komponen: org.apache.catalina.lifecleclexception: gagal untuk memulai komponen: org.apache.catalina.lifecleclexception: gagal untuk memulai komponen: [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/WebApp]] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154) ... 7 moreCaused by: java.lang.RuntimeException: Unexpected element value kind in annotation: 0 at org.apache.tomcat.util.bcel.classfile.elementValue.readelementValue (elementValue.java:129) di org.apache.tomcat.util.bcel.classfile.annotationentry.read (annotationentry.java:59) at org.apache.tomcat.util.bcel.classfile.Annotations. <inin> (annotations.java:49) di org.apache.tomcat.util.bcel.classfile.runtimevisibleannotations. <init> (runtimevisibleannotations.java:51) (init> (runtimevisibleannotations.java:51) (init> (runtimevisibleannotations.java:51) (init> (runtimevisibleannotations.java:51) (init> (runtimevisibleannotations.java:51) (init> (runtimevisibleannotations.java:51). org.apache.tomcat.util.bcel.classfile.attribute.readattribute (attribute.java:147) di org.apache.tomcat.util.bcel.classfile.fieldormethod. <inin> (fieldormethod.java:58) di org.apache.tomcat.util.bcel.classfile.method. <inin> (method.java:72) di org.apache.tomcat.util.bcel.classfile.classparser.readmethods (classparser.java:268) di org.apache.tomcat.util.bcel.classfile.classparser.parse (classparser.java:128) di org.apache.catalina.startup.contextConfig.processannotationsstream (contextConfig.java:2118) di org.apache.catalina.startup.contextConfig.processAnnotationsFile (contextConfig.java:2093) di org.apache.catalina.startup.contextConfig.processAnnotationsFile (contextConfig.java:2086) di org.apache.catalina.startup.contextConfig.processAnnotationsFile (contextConfig.java:2086) di org.apache.catalina.startup.contextConfig.processannotationsfile (contextConfig.java:2086) di org.apache.catalina.startup.contextConfig.processAnnotationsFile (contextConfig.java:2086) di org.apache.catalina.startup.contextConfig.processannotationsfile (contextConfig.java:2086) di org.apache.catalina.startup.contextConfig.processannotationsfile (contextConfig.java:2086) di org.apache.catalina.startup.contextConfig.webconfig (contextconfig.java:1293) di org.apache.catalina.startup.contextConfig.configurestArt (contextConfig.java:878) di org.apache.catalina.startup.contextConfig.lifecycleevent (contextconfig.java:376) di org.apache.catalina.util.lifecyclesupport.firelifecycleevent (lifecyclesupport.java:119) di org.apache.catalina.util.lifecycleBase.firelifecycleevent (lifecycleBase.java:90) org.apache.catalina.core.standardcontext.Startinternal (StandardContext.java:5322) di org.apache.catalina.util.lifecyclebase.start (lifecyclebase.java:150) ... 7 MOREMEY 26, 2014 6:19:19:19:19:19.15 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 pengontrol 类有一个 url 报错了
解决问题方法 ：
1.web.xml 出现了问题
检查 <RURL-PATERS> </RURL-PATERS> 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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