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Posted to common-dev@hadoop.apache.org by "Wei-Chiu Chuang (Jira)" <ji...@apache.org> on 2022/01/12 08:21:00 UTC

[jira] [Resolved] (HADOOP-18077) ProfileOutputServlet unable to proceed due to NPE

     [ https://issues.apache.org/jira/browse/HADOOP-18077?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wei-Chiu Chuang resolved HADOOP-18077.
--------------------------------------
    Fix Version/s: 3.4.0
       Resolution: Fixed

> ProfileOutputServlet unable to proceed due to NPE
> -------------------------------------------------
>
>                 Key: HADOOP-18077
>                 URL: https://issues.apache.org/jira/browse/HADOOP-18077
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Viraj Jasani
>            Assignee: Viraj Jasani
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.4.0
>
>          Time Spent: 1h 20m
>  Remaining Estimate: 0h
>
> ProfileOutputServlet context doesn't have Hadoop configs available and hence async profiler redirection to output servlet is failing to identify if admin access is allowed:
> {code:java}
> HTTP ERROR 500 java.lang.NullPointerException
> URI:    /prof-output-hadoop/async-prof-pid-98613-cpu-2.html
> STATUS:    500
> MESSAGE:    java.lang.NullPointerException
> SERVLET:    org.apache.hadoop.http.ProfileOutputServlet-58c34bb3
> CAUSED BY:    java.lang.NullPointerException
> Caused by:
> java.lang.NullPointerException
>     at org.apache.hadoop.http.HttpServer2.isInstrumentationAccessAllowed(HttpServer2.java:1619)
>     at org.apache.hadoop.http.ProfileOutputServlet.doGet(ProfileOutputServlet.java:51)
>     at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
>     at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
>     at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799)
>     at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:550)
>     at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
>     at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434)
>     at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
>     at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501)
>     at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
>     at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349)
>     at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
>     at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:234)
>     at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:146)
>     at org.eclipse.jetty.server.handler.StatisticsHandler.handle(StatisticsHandler.java:179)
>     at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
>     at org.eclipse.jetty.server.Server.handle(Server.java:516)
>     at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:400)
>     at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:645)
>     at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:392)
>     at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277)
>     at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
>     at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
>     at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)
>     at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338)
>     at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315)
>     at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173)
>     at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
>     at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:409)
>     at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883)
>     at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034)
>     at java.lang.Thread.run(Thread.java:748){code}



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