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org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/testapp]]
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org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/ ]]
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org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/]]
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/testapp]] at java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.util.concurrent.FutureTask.get(FutureTask.java:192) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:917) at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:868) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1409) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1399) 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:745)Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/testapp]] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154) ... 6 moreCaused by: org.apache.catalina.LifecycleException: Failed to start component [org.apache.catalina.webresources.StandardRoot@2d66990a] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154) at org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:4875) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5004) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) ... 6 moreCaused by: java.lang.IllegalArgumentException: The main resource set specified [C:\Users\Yash chahar\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\testapp] is not valid at org.apache.catalina.webresources.StandardRoot.startInternal(StandardRoot.java:670) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) ... 9 more