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From "Mukul Kumar Singh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12415) Ozone: TestXceiverClientManager occasionally fails
Date Mon, 11 Sep 2017 12:20:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12415?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16161137#comment-16161137
] 

Mukul Kumar Singh commented on HDFS-12415:
------------------------------------------

Thanks for the patch [~cheersyang], The patch looks good. However it seems that MiniOzoneCluster.build()
already calls {{cluster.waitOzoneReady()}}

{code}
      try {
        cluster.waitOzoneReady();
        if (waitForChillModeFinish) {
          cluster.waitTobeOutOfChillMode();
        }
        cluster.waitForHeartbeatProcessed();
      } catch (Exception e) {
{code}

> Ozone: TestXceiverClientManager occasionally fails
> --------------------------------------------------
>
>                 Key: HDFS-12415
>                 URL: https://issues.apache.org/jira/browse/HDFS-12415
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>    Affects Versions: HDFS-7240
>            Reporter: Weiwei Yang
>            Assignee: Weiwei Yang
>            Priority: Minor
>         Attachments: HDFS-12415-HDFS-7240.001.patch
>
>
> TestXceiverClientManager seems to be occasionally failing in some jenkins jobs,
> {noformat}
> java.lang.NullPointerException
>  at org.apache.hadoop.ozone.scm.node.SCMNodeManager.getNodeStat(SCMNodeManager.java:828)
>  at org.apache.hadoop.ozone.scm.container.placement.algorithms.SCMCommonPolicy.hasEnoughSpace(SCMCommonPolicy.java:147)
>  at org.apache.hadoop.ozone.scm.container.placement.algorithms.SCMCommonPolicy.lambda$chooseDatanodes$0(SCMCommonPolicy.java:125)
> {noformat}
> see more from [this report|https://builds.apache.org/job/PreCommit-HDFS-Build/21065/testReport/]



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