九月 09, 2016 12:59:33 上午 org.apache.catalina.core.ContainerBase startInternal 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[/MyWeb]] 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:915) at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:871) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1407) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1397) 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[/MyWeb]] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:153) ... 6 more Caused by: org.apache.catalina.LifecycleException: Failed to start component [org.apache.catalina.webresources.StandardRoot@443339] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:153) at org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:4958) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5088) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147) ... 6 more Caused by: java.lang.IllegalArgumentException: The main resource set specified [C:\Program Files\Apache Software Foundation\Tomcat 8.0\webapps\MyWeb] is not valid at org.apache.catalina.webresources.StandardRoot.createMainResourceSet(StandardRoot.java:723) at org.apache.catalina.webresources.StandardRoot.startInternal(StandardRoot.java:684) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147) ... 9 more 九月 09, 2016 12:59:33 上午 org.apache.catalina.core.ContainerBase startInternal 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(Unknown Source) at java.util.concurrent.FutureTask.get(Unknown Source) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:915) at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147) at org.apache.catalina.core.StandardService.startInternal(StandardService.java:441) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147) at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:787) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147) at org.apache.catalina.startup.Catalina.start(Catalina.java:629) 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:351) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:485) 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:1407) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1397) at java.util.concurrent.FutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$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:923) at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:871) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147) ... 6 more 九月 09, 2016 12:59:33 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:629) 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:351) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:485) 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:787) 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:441) 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:923) at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147) ... 11 more 九月 09, 2016 12:59:33 上午 org.apache.coyote.AbstractProtocol pause 信息: Pausing ProtocolHandler ["http-nio-8080"] 九月 09, 2016 12:59:33 上午 org.apache.coyote.AbstractProtocol pause 信息: Pausing ProtocolHandler ["ajp-nio-8009"] 九月 09, 2016 12:59:33 上午 org.apache.catalina.core.StandardService stopInternal 信息: Stopping service Catalina 九月 09, 2016 12:59:33 上午 org.apache.coyote.AbstractProtocol destroy 信息: Destroying ProtocolHandler ["http-nio-8080"] 九月 09, 2016 12:59:33 上午 org.apache.coyote.AbstractProtocol destroy 严重: Failed to destroy end point associated with ProtocolHandler ["http-nio-8080"] java.lang.NullPointerException at org.apache.tomcat.util.net.NioEndpoint.releaseCaches(NioEndpoint.java:316) at org.apache.tomcat.util.net.NioEndpoint.unbind(NioEndpoint.java:492) at org.apache.tomcat.util.net.AbstractEndpoint.destroy(AbstractEndpoint.java:821) at org.apache.coyote.AbstractProtocol.destroy(AbstractProtocol.java:534) at org.apache.catalina.connector.Connector.destroyInternal(Connector.java:1023) at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:297) at org.apache.catalina.core.StandardService.destroyInternal(StandardService.java:589) at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:297) at org.apache.catalina.core.StandardServer.destroyInternal(StandardServer.java:877) at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:297) at org.apache.catalina.startup.Catalina.start(Catalina.java:633) 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:351) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:485) 九月 09, 2016 12:59:33 上午 org.apache.coyote.AbstractProtocol destroy 信息: Destroying ProtocolHandler ["ajp-nio-8009"] 九月 09, 2016 12:59:33 上午 org.apache.coyote.AbstractProtocol destroy 严重: Failed to destroy end point associated with ProtocolHandler ["ajp-nio-8009"] java.lang.NullPointerException at org.apache.tomcat.util.net.NioEndpoint.releaseCaches(NioEndpoint.java:316) at org.apache.tomcat.util.net.NioEndpoint.unbind(NioEndpoint.java:492) at org.apache.tomcat.util.net.AbstractEndpoint.destroy(AbstractEndpoint.java:821) at org.apache.coyote.AbstractProtocol.destroy(AbstractProtocol.java:534) at org.apache.catalina.connector.Connector.destroyInternal(Connector.java:1023) at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:297) at org.apache.catalina.core.StandardService.destroyInternal(StandardService.java:589) at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:297) at org.apache.catalina.core.StandardServer.destroyInternal(StandardServer.java:877) at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:297) at org.apache.catalina.startup.Catalina.start(Catalina.java:633) 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:351) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:485)
解决方案
40
有锁文件，删除.lock和.lok文件
40
web.xml内容看下，是不是什么内容配置错误了。
CodeBye 版权所有丨如未注明 , 均为原创丨本网站采用BY-NC-SA协议进行授权 , 转载请注明tomcat8 启动WEB项目时java.util.concurrent.ExecutionException！
