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https://issues.apache.org/jira/browse/HDFS-2020?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Suresh Srinivas updated HDFS-2020:
----------------------------------

    Attachment: HDFS-2020.patch

Early version of the patch - gets rid of static DataNode#datanodeObject.

> TestDFSUpgradeFromImage fails
> -----------------------------
>
>                 Key: HDFS-2020
>                 URL: https://issues.apache.org/jira/browse/HDFS-2020
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: data-node, test
>    Affects Versions: 0.23.0
>            Reporter: Suresh Srinivas
>            Assignee: Suresh Srinivas
>         Attachments: HDFS-2020.patch, log.txt
>
>
> Datanode has a singleton datanodeObject. When running MiniDFSCluster with 
> multiple datanodes, the singleton can point to only one of the datanodes. 
> TestDFSUpgradeFromImage fails related to initialization of this singleton.

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