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https://issues.apache.org/jira/browse/HDFS-8211?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14512529#comment-14512529
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Hudson commented on HDFS-8211:
------------------------------
FAILURE: Integrated in Hadoop-Mapreduce-trunk-Java8 #175 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Java8/175/])
HDFS-8211. DataNode UUID is always null in the JMX counter. (Contributed by Anu
Engineer) (arp: rev dcc5455e07be75ca44eb6a33d4e706eec11b9905)
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeUUID.java
> DataNode UUID is always null in the JMX counter
> -----------------------------------------------
>
> Key: HDFS-8211
> URL: https://issues.apache.org/jira/browse/HDFS-8211
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: HDFS
> Affects Versions: 2.7.0
> Reporter: Anu Engineer
> Assignee: Anu Engineer
> Priority: Minor
> Fix For: 2.8.0
>
> Attachments: hdfs-8211.001.patch, hdfs-8211.002.patch
>
>
> The DataNode JMX counters are tagged with DataNode UUID, but it always gets a
> null value instead of the UUID.
> {code}
> Hadoop:service=DataNode,name=FSDatasetState*-null*.
> {code}
> This null is supposed be the datanode UUID.
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