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                        /Java眼中的XML---文件读取

为什么tomcat加载不了dom4j的类

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:188)
   at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1122)
   at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:300)
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
   at org.apache.catalina.core.StandardService.startInternal(StandardService.java:443)
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
   at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:739)
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
   at org.apache.catalina.startup.Catalina.start(Catalina.java:689)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:606)
   at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:321)
   at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:455)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost]]
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
   at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1574)
   at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1564)
   at java.util.concurrent.FutureTask.run(FutureTask.java:262)
   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
   at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.catalina.LifecycleException: A child container failed during start
   at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1130)
   at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:819)
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
   ... 6 more

我好像条狗啊

2015-10-17

源自：Java眼中的XML---文件读取 4-2

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1 回答

我好像条狗啊提问者
2015-10-17

严重: A child container failed during start
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/Weixin]]
   at java.util.concurrent.FutureTask.report(FutureTask.java:122)
   at java.util.concurrent.FutureTask.get(FutureTask.java:188)
   at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1122)
   at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:819)
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
   at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1574)
   at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1564)
   at java.util.concurrent.FutureTask.run(FutureTask.java:262)
   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
   at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/Weixin]]
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
   ... 6 more
Caused by: java.lang.NoClassDefFoundError: org/dom4j/DocumentException
   at java.lang.Class.getDeclaredFields0(Native Method)
   at java.lang.Class.privateGetDeclaredFields(Class.java:2499)
   at java.lang.Class.getDeclaredFields(Class.java:1811)
   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:5419)
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
   ... 6 more
Caused by: java.lang.ClassNotFoundException: org.dom4j.DocumentException
   at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1722)
   at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1573)
   ... 20 more