lifecyclebase.java_老师。tomcat启动时，报了org.apache.catalina.LifecycleException。希望老师能帮助一下...-优快云博客

本文链接：https://blog.youkuaiyun.com/weixin_39827905/article/details/114970498

本文记录了一次在Apache Tomcat中部署应用时遇到的错误，详细分析了由于指定的主资源集路径无效导致的LifecycleException异常，并跟踪了异常的具体堆栈信息。

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org.apache.catalina.LifecycleException:Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/helloworld2]]

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:167)

at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:754)

at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:730)

at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734)

at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:629)

at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1839)

at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)

at java.util.concurrent.FutureTask.run(FutureTask.java:266)

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)

at java.lang.Thread.run(Thread.java:748)

Caused by: org.apache.catalina.LifecycleException: Failed to start component [org.apache.catalina.webresources.StandardRoot@2976d18d]

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:167)

at org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:4907)

at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5042)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)

... 10 more

Caused by: java.lang.IllegalArgumentException:The main resource set specified [D:\javaWeb教程\firstWeb1\webContent] is not valid

at org.apache.catalina.webresources.StandardRoot.createMainResourceSet(StandardRoot.java:748)

at org.apache.catalina.webresources.StandardRoot.startInternal(StandardRoot.java:706)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)

... 13 more

七月 08, 2018 6:36:08 下午 org.apache.catalina.startup.HostConfig deployDescriptor

严重: Error deploying configuration descriptor [D:\websoftware\apache-tomcat-8.5.31\conf\Catalina\localhost\helloworld2.xml]

java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/helloworld2]]

at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:758)