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  1. Hadoop YARN
  2. YARN-7120

CapacitySchedulerPage NPE in "Aggregate scheduler counts" section

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Details

    • Bug
    • Status: Resolved
    • Minor
    • Resolution: Fixed
    • 2.9.0, 2.8.1, 3.0.0-alpha3
    • 2.9.0, 3.0.0-beta1, 2.8.3
    • None
    • None
    • Reviewed

    Description

      The problem manifests itself by having the bottom part of the "Aggregated scheduler counts" section cut off on the GUI and an NPE in the RM log.

      Caused by: java.lang.NullPointerException
      	at org.apache.hadoop.yarn.server.resourcemanager.webapp.CapacitySchedulerPage$HealthBlock.render(CapacitySchedulerPage.java:558)
      	at org.apache.hadoop.yarn.webapp.view.HtmlBlock.render(HtmlBlock.java:69)
      	at org.apache.hadoop.yarn.webapp.view.HtmlBlock.renderPartial(HtmlBlock.java:79)
      	at org.apache.hadoop.yarn.webapp.View.render(View.java:235)
      	at org.apache.hadoop.yarn.webapp.view.HtmlBlock$Block.subView(HtmlBlock.java:43)
      	at org.apache.hadoop.yarn.webapp.hamlet2.Hamlet.__(Hamlet.java:30354)
      	at org.apache.hadoop.yarn.server.resourcemanager.webapp.CapacitySchedulerPage$QueuesBlock.render(CapacitySchedulerPage.java:478)
      	at org.apache.hadoop.yarn.webapp.view.HtmlBlock.render(HtmlBlock.java:69)
      	at org.apache.hadoop.yarn.webapp.view.HtmlBlock.renderPartial(HtmlBlock.java:79)
      	at org.apache.hadoop.yarn.webapp.View.render(View.java:235)
      	at org.apache.hadoop.yarn.webapp.view.HtmlPage$Page.subView(HtmlPage.java:49)
      	at org.apache.hadoop.yarn.webapp.hamlet2.HamletImpl$EImp._v(HamletImpl.java:117)
      	at org.apache.hadoop.yarn.webapp.hamlet2.Hamlet$TD.__(Hamlet.java:848)
      	at org.apache.hadoop.yarn.webapp.view.TwoColumnLayout.render(TwoColumnLayout.java:71)
      	at org.apache.hadoop.yarn.webapp.view.HtmlPage.render(HtmlPage.java:82)
      	at org.apache.hadoop.yarn.webapp.Controller.render(Controller.java:212)
      	at org.apache.hadoop.yarn.server.resourcemanager.webapp.RmController.scheduler(RmController.java:86)
      	... 58 more
      

      Attachments

        1. Aggregate Scheduler Counts All Sections.png
          76 kB
          Eric Payne
        2. Aggregate Scheduler Counts Bottom Cut Off.png
          69 kB
          Eric Payne
        3. YARN-7120.001.patch
          1 kB
          Eric Payne

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            epayne Eric Payne
            epayne Eric Payne
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              Created:
              Updated:
              Resolved:

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