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https://issues.apache.org/jira/browse/KYLIN-5063?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiaoxiang Yu updated KYLIN-5063:
--------------------------------
    Fix Version/s: v4.1.0
                       (was: v4.0.2)

> Kylin 4.0.0-Beta with Spark 3.1.2 & Hadoop 3.3.
> -----------------------------------------------
>
>                 Key: KYLIN-5063
>                 URL: https://issues.apache.org/jira/browse/KYLIN-5063
>             Project: Kylin
>          Issue Type: Bug
>          Components: Integration
>    Affects Versions: v4.0.0-beta
>         Environment: Kylin 4.0.0-beta / Spark 3.1.2 / Hadoop 3.3.0
>            Reporter: Eliott BAUDOT
>            Priority: Major
>             Fix For: v4.1.0
>
>         Attachments: image-2021-08-17-17-36-49-459.png, kylin.out
>
>
> Hi,
> On a specific platform integration for a solution, we are using Spark 3.1.2 
> with Hadoop 3.3.0.
> The installation of Kylin 4.0.0-beta was well installed and executed, but 
> when we tried to start the application using "kylin.sh start", the following 
> error message appeared into kylin.out :
>   
>  org.apache.catalina.LifecycleException: Failed to start component 
> [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/kylin]]
>  at 
> org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440)
>  at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:198)
>  at 
> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:1016)
>  at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:992)
>  at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:639)
>  at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:1127)
>  at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:2020)
>  at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
>  at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>  at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>  at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>  at java.lang.Thread.run(Thread.java:748)
>  Caused by: java.lang.IllegalStateException: Unable to find 
> ServletContextHandler for provided ServletContext
>  at 
> org.eclipse.jetty.websocket.server.NativeWebSocketServletContainerInitializer.onStartup(NativeWebSocketServletContainerInitializer.java:120)
>  at 
> org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5709)
>  at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
>  ... 10 more
>  Aug 06, 2021 7:42:49 AM org.apache.catalina.startup.HostConfig deployWAR
>  SEVERE: Error deploying web application archive 
> [/opt/apache-kylin-4.0.0-beta-bin/tomcat/webapps/kylin.war]
>  java.lang.IllegalStateException: ContainerBase.addChild: start: 
> org.apache.catalina.LifecycleException: Failed to start component 
> [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/kylin]]
>  at 
> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:1020)
>  at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:992)
>  at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:639)
>  at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:1127)
>  at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:2020)
>  at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
>  at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>  at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>  at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>  at java.lang.Thread.run(Thread.java:748)
>   
>   
>  Do you know why ? How can we solve it ?
> Is there an issue on our installation ?
> Are there some patches / workarounds / or Kylin upgrades to take in account 
> to fix this blocking issue to use Kylin on this specific environnement ?
> Are there some incompatabilities between the products release 4.0.0-beta / 
> Spark 3.1.2 / Hadoop 3.3.0 ?
> Thanks in advance, for yours ideas, help or support.



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