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https://issues.apache.org/jira/browse/YARN-1572?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Junping Du reassigned YARN-1572:
--------------------------------
Assignee: Wenwu Peng (was: Junping Du)
[~gujilangzi], are you working on this? If so, assign this JIRA to you. Please
attach the log of NPE for latest trunk, I will also help to look at it. Thx!
> Low chance to hit NPE issue in AppSchedulingInfo#allocateNodeLocal
> ------------------------------------------------------------------
>
> Key: YARN-1572
> URL: https://issues.apache.org/jira/browse/YARN-1572
> Project: Hadoop YARN
> Issue Type: Bug
> Components: scheduler
> Affects Versions: 2.2.0
> Reporter: Wenwu Peng
> Assignee: Wenwu Peng
> Attachments: conf.tar.gz, log.tar.gz
>
>
> we have lower chance to hit NPE in allocateNodeLocal when run benchmark(hit
> 4 in 20 times).
> Steps:
> 1. setup hadoop 2.2.0 environment
> 2. Run for i in {1..10}; do /hadoop/hadoop-smoke/bin/hadoop jar
> /hadoop/hadoop-smoke/share/hadoop/mapreduce/hadoop-mapreduce-client-common-*.jar
> org.apache.hadoop.fs.TestDFSIO -write -nrFiles 30 -fileSize 64MB; sleep
> 10;done
> 2014-01-08 03:56:14,082 FATAL
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Error in
> handling event type NODE_UPDATE to the scheduler
> java.lang.NullPointerException
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.AppSchedulingInfo.allocateNodeLocal(AppSchedulingInfo.java:291)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.AppSchedulingInfo.allocate(AppSchedulingInfo.java:252)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp.allocate(FiCaSchedulerApp.java:294)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler.assignContainer(FifoScheduler.java:614)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler.assignNodeLocalContainers(FifoScheduler.java:524)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler.assignContainersOnNode(FifoScheduler.java:482)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler.assignContainers(FifoScheduler.java:419)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler.nodeUpdate(FifoScheduler.java:658)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler.handle(FifoScheduler.java:687)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler.handle(FifoScheduler.java:95)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$SchedulerEventDispatcher$EventProcessor.run(ResourceManager.java:440)
> at java.lang.Thread.run(Thread.java:662)
> will attach log and configure files later
> Note:
> My topology file:
> 10.111.89.230 /QE1/sin2-pekaurora-bdcqe046.eng.vmware.com
> 10.111.89.231 /QE1/sin2-pekaurora-bdcqe046.eng.vmware.com
> 10.111.89.232 /QE1/sin2-pekaurora-bdcqe046.eng.vmware.com
> 10.111.89.239 /QE1/sin2-pekaurora-bdcqe046.eng.vmware.com
> 10.111.89.233 /QE1/sin2-pekaurora-bdcqe017.eng.vmware.com
> 10.111.89.234 /QE1/sin2-pekaurora-bdcqe017.eng.vmware.com
> 10.111.89.240 /QE1/sin2-pekaurora-bdcqe017.eng.vmware.com
> 10.111.89.236 /QE2/sin2-pekaurora-bdcqe047.eng.vmware.com
> 10.111.89.241 /QE2/sin2-pekaurora-bdcqe047.eng.vmware.com
> 10.111.89.238 /QE2/sin2-pekaurora-bdcqe048.eng.vmware.com
> 10.111.89.242 /QE2/sin2-pekaurora-bdcqe048.eng.vmware.com
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