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https://issues.apache.org/jira/browse/HDFS-12415?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16160899#comment-16160899
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Weiwei Yang commented on HDFS-12415:
------------------------------------
It looks like test cases are calling {{allocateContainer}} before ozone is
fully started, add {{cluster.waitOzoneReady()}} should be able to fix this.
Uploaded a simple patch to fix. Please help to review.
> 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
>
> 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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