tomcat的不正常啓動

Question

***Exception occured where running application*** 
    java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/CRUD]] 
     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[/CRUD]] 
     at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:153) 
     ... 6 more 
    Caused by: java.lang.NoClassDefFoundError: Lorg/apache/commons/logging/Log; 
     at java.lang.Class.getDeclaredFields0(Native Method) 
     at java.lang.Class.privateGetDeclaredFields(Unknown Source) 
     at java.lang.Class.getDeclaredFields(Unknown Source) 
     at org.apache.catalina.util.Introspection.getDeclaredFields(Introspection.java:106) 
     at org.apache.catalina.startup.WebAnnotationSet.loadFieldsAnnotation(WebAnnotationSet.java:270) 
     at org.apache.catalina.startup.WebAnnotationSet.loadApplicationServletAnnotations(WebAnnotationSet.java:139) 
     at org.apache.catalina.startup.WebAnnotationSet.loadApplicationAnnotations(WebAnnotationSet.java:65) 
     at org.apache.catalina.startup.ContextConfig.applicationAnnotationsConfig(ContextConfig.java:415) 
     at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:892) 
     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 
    Caused by: java.lang.ClassNotFoundException: org.apache.commons.logging.Log 
     at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1858) 
     at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1701) 
     ... 20 more 

    May 06, 2016 4:15:41 PM org.apache.catalina.core.ContainerBase startInternal 
    SEVERE: 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(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 start 
     at 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 

    May 06, 2016 4:15:41 PM org.apache.catalina.startup.Catalina start 
    SEVERE: 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 more 
    Caused 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 more 
    Caused by: org.apache.catalina.LifecycleException: A child container failed during start 
     at 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 

Answer 1

的錯誤信息是很清楚的：

Caused by: java.lang.ClassNotFoundException: org.apache.commons.logging.Log 

你在你的classpath錯過的Apache commons-logging.jar。