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From "wenwupeng (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-5729) Lower chance to hit NPE in allocateNodeLocal
Date Wed, 08 Jan 2014 09:08:50 GMT
wenwupeng created HDFS-5729:
-------------------------------

             Summary: Lower chance to hit NPE in allocateNodeLocal 
                 Key: HDFS-5729
                 URL: https://issues.apache.org/jira/browse/HDFS-5729
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: wenwupeng


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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