Mukul Kumar Singh created HDDS-1751:
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             Summary: replication of underReplicated container fails with 
SCMContainerPlacementRackAware policy
                 Key: HDDS-1751
                 URL: https://issues.apache.org/jira/browse/HDDS-1751
             Project: Hadoop Distributed Data Store
          Issue Type: Bug
          Components: SCM
    Affects Versions: 0.4.0
            Reporter: Mukul Kumar Singh


SCM container replication fails with

{code}
2019-07-02 18:26:41,564 WARN  container.ReplicationManager 
(ReplicationManager.java:handleUnderReplicatedContainer(501)) - Exception while 
replicating container 18.
org.apache.hadoop.hdds.scm.exceptions.SCMException: No enough datanodes to 
choose.
        at 
org.apache.hadoop.hdds.scm.container.placement.algorithms.SCMContainerPlacementRackAware.chooseDatanodes(SCMContainerPlacementRackAware.java:100)
        at 
org.apache.hadoop.hdds.scm.container.ReplicationManager.handleUnderReplicatedContainer(ReplicationManager.java:487)
        at 
org.apache.hadoop.hdds.scm.container.ReplicationManager.processContainer(ReplicationManager.java:293)
        at 
java.util.concurrent.ConcurrentHashMap$KeySetView.forEach(ConcurrentHashMap.java:4649)
        at 
java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080)
        at 
org.apache.hadoop.hdds.scm.container.ReplicationManager.run(ReplicationManager.java:205)
        at java.lang.Thread.run(Thread.java:748)
{code}



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