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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-2954) Deadlock in NM with threads racing for ApplicationAttemptId
Date Thu, 08 Sep 2011 13:30:08 GMT
Deadlock in NM with threads racing for ApplicationAttemptId
-----------------------------------------------------------

                 Key: MAPREDUCE-2954
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2954
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: mrv2
    Affects Versions: 0.23.0
            Reporter: Vinod Kumar Vavilapalli
             Fix For: 0.23.0


Found this:
{code}
Java stack information for the threads listed above:
===================================================
"Thread-45":
        at org.apache.hadoop.yarn.api.records.impl.pb.ApplicationAttemptIdPBImpl.getApplicationId(ApplicationAttemptIdPBImpl.java:101)
        - waiting to lock <0xb6a43ba0> (a org.apache.hadoop.yarn.api.records.impl.pb.ApplicationAttemptIdPBImpl)
        at org.apache.hadoop.yarn.api.records.impl.pb.ApplicationAttemptIdPBImpl.compareTo(ApplicationAttemptIdPBImpl.java:144)
        - locked <0xb6a443a0> (a org.apache.hadoop.yarn.api.records.impl.pb.ApplicationAttemptIdPBImpl)
        at org.apache.hadoop.yarn.api.records.impl.pb.ApplicationAttemptIdPBImpl.compareTo(ApplicationAttemptIdPBImpl.java:31)
        at org.apache.hadoop.yarn.api.records.impl.pb.ContainerIdPBImpl.compareTo(ContainerIdPBImpl.java:215)
        at org.apache.hadoop.yarn.api.records.impl.pb.ContainerIdPBImpl.compareTo(ContainerIdPBImpl.java:34)
        at java.util.concurrent.ConcurrentSkipListMap.doGet(ConcurrentSkipListMap.java:797)
        at java.util.concurrent.ConcurrentSkipListMap.get(ConcurrentSkipListMap.java:1640)
        at org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl$ContainerEventDispatcher.handle(ContainerManagerImpl.java:360)
        at org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl$ContainerEventDispatcher.handle(ContainerManagerImpl.java:355)
        at org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:113)
        at org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:75)
        at java.lang.Thread.run(Thread.java:619)
"Thread-30":
        at org.apache.hadoop.yarn.api.records.impl.pb.ApplicationAttemptIdPBImpl.getApplicationId(ApplicationAttemptIdPBImpl.java:101)
        - waiting to lock <0xb6a443a0> (a org.apache.hadoop.yarn.api.records.impl.pb.ApplicationAttemptIdPBImpl)
        at org.apache.hadoop.yarn.api.records.impl.pb.ApplicationAttemptIdPBImpl.compareTo(ApplicationAttemptIdPBImpl.java:144)
        - locked <0xb6a43ba0> (a org.apache.hadoop.yarn.api.records.impl.pb.ApplicationAttemptIdPBImpl)
        at org.apache.hadoop.yarn.api.records.impl.pb.ApplicationAttemptIdPBImpl.compareTo(ApplicationAttemptIdPBImpl.java:31)
        at org.apache.hadoop.yarn.api.records.impl.pb.ContainerIdPBImpl.compareTo(ContainerIdPBImpl.java:215)
        at org.apache.hadoop.yarn.api.records.impl.pb.ContainerIdPBImpl.compareTo(ContainerIdPBImpl.java:34)
        at java.util.concurrent.ConcurrentSkipListMap.doRemove(ConcurrentSkipListMap.java:1078)
        at java.util.concurrent.ConcurrentSkipListMap.remove(ConcurrentSkipListMap.java:1673)
        at java.util.concurrent.ConcurrentSkipListMap$Iter.remove(ConcurrentSkipListMap.java:2256)
        at org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.getNodeStatus(NodeStatusUpdaterImpl.java:223)
        at org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.access$300(NodeStatusUpdaterImpl.java:62)
        at org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl$1.run(NodeStatusUpdaterImpl.java:262)
Found 1 deadlock.
{code}

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