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I am using Jdk 1.8 and tomcat 9 to run my code in eclipse. But everytime upon building the code on server I get the error “Localhost failed to start” with following issues:

`un 11, 2024 10:48:18 AM org.apache.catalina.core.ContainerBase startInternal
SEVERE: A child container failed during start
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: A child container failed during start
    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:873)
    at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:248)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
    at org.apache.catalina.core.StandardService.startInternal(StandardService.java:433)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
    at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:925)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
    at org.apache.catalina.startup.Catalina.start(Catalina.java:735)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:345)
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:476)
Caused by: org.apache.catalina.LifecycleException: A child container failed during start
    at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:885)
    at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:794)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1332)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1322)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
    at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134)
    at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:866)
    ... 13 more
Caused by: java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [org.apache.catalina.webresources.StandardRoot@50a638b5]
    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:873)
    ... 21 more
Caused by: org.apache.catalina.LifecycleException: Failed to start component [org.apache.catalina.webresources.StandardRoot@50a638b5]
    at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:419)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:186)
    at org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:4575)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4708)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1332)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1322)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
    at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134)
    at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:866)
    ... 21 more
Caused by: java.lang.IllegalArgumentException: The main resource set specified [/home/adityaraj/Desktop/projects/eclipse workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/CMS] is not a directory or war file, or is not readable (it does not exist or permissions to access it are missing)
    at org.apache.catalina.webresources.StandardRoot.createMainResourceSet(StandardRoot.java:749)
    at org.apache.catalina.webresources.StandardRoot.startInternal(StandardRoot.java:707)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
    ... 30 more`

Provide the solution on how to fix this. I have tried all solutions listed in stackoverflow. But didn’t work.

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