Eclipse + Tomcat 8.0错误总结

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一、Failed to start component －解决办法：在Eclipse里面clean Tomcat再重启

严重: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/WebApplication1]]    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162)    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:753)    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:729)    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717)    at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:587)    at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1798)    at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)    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 [org.apache.catalina.webresources.StandardRoot@6215c10b]    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162)    at org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:4969)    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5099)    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)    ... 10 moreCaused by: java.lang.IllegalArgumentException: The main resource set specified [G:\workspace\NetBeans\WebApplication1\build\web] is not valid    at org.apache.catalina.webresources.StandardRoot.createMainResourceSet(StandardRoot.java:730)    at org.apache.catalina.webresources.StandardRoot.startInternal(StandardRoot.java:688)    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)    ... 13 more

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