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Posted to common-dev@hadoop.apache.org by "Viraj Jasani (Jira)" <ji...@apache.org> on 2022/01/10 18:26:00 UTC

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

Viraj Jasani created HADOOP-18077:
-------------------------------------

             Summary: 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


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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