嚴重: 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$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Caused by: org.apache.catalina.LifecycleException: Failed to start component [org.apache.catalina.webresources.StandardRoot@6215c10b] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162) at org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:4969) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5099) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145) ... 10 more Caused by: java.lang.IllegalArgumentException: The main resource set specified [G:\workspace\NetBeans\WebApplication1\build\web] is not valid at org.apache.catalina.webresources.StandardRoot.createMainResourceSet(StandardRoot.java:730) at org.apache.catalina.webresources.StandardRoot.startInternal(StandardRoot.java:688) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145) ... 13 more 十二月 08, 2016 5:48:16 下午 org.apache.catalina.startup.HostConfig deployDescriptor 嚴重: Error deploying configuration descriptor G:\Servers\apache-tomcat-8.0.39\conf\Catalina\localhost\WebApplication1.xml java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/WebApplication1]] at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:757) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:729) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717) at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:587) at org.apache.catalina.startup.HostConfig$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) **錯誤信息如上。tomcat8 jdk1.8 tomcat eclipse jdk 所有環(huán)境都是 新裝的 運行其他項目沒有任何問題。maven構建項目 jar包都是正常導入 項目沒有顯示任何錯誤。找了很久還是不知道什么原因造成的。如果需要其他信息 請留言。謝謝各位~~