[YARN-4624] NPE in PartitionQueueCapacitiesInfo while accessing Schduler UI

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.8.0, 3.0.0-alpha1
• Target Version/s: 2.8.0
• Hadoop Flags: Reviewed
• Assignee: Brahma Reddy Battula
• Reporter: Brahma Reddy Battula
• Created: 21/Jan/16 19:54
• Updated: 06/Jan/17 08:04
• Resolved: 06/Aug/16 02:58

Description

Scenario:
=======

Configure nodelables and add to cluster
Start the cluster

java.lang.NullPointerException
	at org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.PartitionQueueCapacitiesInfo.getMaxAMLimitPercentage(PartitionQueueCapacitiesInfo.java:114)
	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:105)
	at org.apache.hadoop.yarn.server.resourcemanager.webapp.CapacitySchedulerPage$LeafQueueInfoBlock.render(CapacitySchedulerPage.java:94)
	at org.apache.hadoop.yarn.webapp.view.HtmlBlock.render(HtmlBlock.java:69)
	at org.apache.hadoop.yarn.webapp.view.HtmlBlock.renderPartial(HtmlBlock.java:79)
	at org.apache.hadoop.yarn.webapp.View.render(View.java:235)
	at org.apache.hadoop.yarn.webapp.view.HtmlBlock$Block.subView(HtmlBlock.java:43)
	at org.apache.hadoop.yarn.webapp.hamlet.HamletImpl$EImp._v(HamletImpl.java:117)
	at org.apache.hadoop.yarn.webapp.hamlet.Hamlet$LI._(Hamlet.java:7702)
	at org.apache.hadoop.yarn.server.resourcemanager.webapp.CapacitySchedulerPage$QueueBlock.render(CapacitySchedulerPage.java:293)
	at org.apache.hadoop.yarn.webapp.view.HtmlBlock.render(HtmlBlock.java:69)
	at org.apache.hadoop.yarn.webapp.view.HtmlBlock.renderPartial(HtmlBlock.java:79)
	at org.apache.hadoop.yarn.webapp.View.render(View.java:235)
	at org.apache.hadoop.yarn.webapp.view.HtmlBlock$Block.subView(HtmlBlock.java:43)
	at org.apache.hadoop.yarn.webapp.hamlet.HamletImpl$EImp._v(HamletImpl.java:117)
	at org.apache.hadoop.yarn.webapp.hamlet.Hamlet$LI._(Hamlet.java:7702)
	at org.apache.hadoop.yarn.server.resourcemanager.webapp.CapacitySchedulerPage$QueuesBlock.render(CapacitySchedulerPage.java:447)
	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)

Issue Links

• duplicates: YARN-4914 RM scheduler page broken for capacity scheduler
• is broken by: YARN-4304 AM max resource configuration per partition to be displayed/updated correctly in UI and in various partition related metrics