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From "Tao Yang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-9685) NPE when rendering the info table of leaf queue in non-accessible partitions
Date Fri, 19 Jul 2019 07:42:00 GMT
Tao Yang created YARN-9685:
------------------------------

             Summary: NPE when rendering the info table of leaf queue in non-accessible partitions
                 Key: YARN-9685
                 URL: https://issues.apache.org/jira/browse/YARN-9685
             Project: Hadoop YARN
          Issue Type: Bug
          Components: capacityscheduler
            Reporter: Tao Yang
            Assignee: Tao Yang


I found incomplete queue info shown on scheduler page and NPE in RM log when rendering the
info table of leaf queue in non-accessible partitions.
{noformat}
Caused by: java.lang.NullPointerException
        at org.apache.hadoop.yarn.server.resourcemanager.webapp.CapacitySchedulerPage$LeafQueueInfoBlock.renderQueueCapacityInfo(CapacitySchedulerPage.java:163)
        at org.apache.hadoop.yarn.server.resourcemanager.webapp.CapacitySchedulerPage$LeafQueueInfoBlock.renderLeafQueueInfoWithPartition(CapacitySchedulerPage.java:108)
        at org.apache.hadoop.yarn.server.resourcemanager.webapp.CapacitySchedulerPage$LeafQueueInfoBlock.render(CapacitySchedulerPage.java:97)
        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:243)
{noformat}

The direct cause is that PartitionQueueCapacitiesInfo of leaf queues in non-accessible partitions
are incomplete(part of fields are null such as configuredMinResource/configuredMaxResource/effectiveMinResource/effectiveMaxResource)
but some places in CapacitySchedulerPage don't consider that.



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