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https://issues.apache.org/jira/browse/HDFS-13512?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16459996#comment-16459996
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Ajay Kumar commented on HDFS-13512:
-----------------------------------
[~shahrs87] When server is old there will be no "ecPolicyObj" attribute in
json. so if clause will prevent any further processing, so its behaviour will
remain same.
> WebHdfs getHdfsFileStatus/getFileStatus doesn't return ecPolicy name wired in
> json
> ----------------------------------------------------------------------------------
>
> Key: HDFS-13512
> URL: https://issues.apache.org/jira/browse/HDFS-13512
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Ajay Kumar
> Assignee: Ajay Kumar
> Priority: Major
> Attachments: HDFS-13512.00.patch, HDFS-13512.01.patch,
> HDFS-13512.02.patch, HDFS-13512.03.patch, HDFS-13512.04.patch,
> HDFS-13512.05.patch
>
>
> Currently LISTSTATUS call to WebHdfs returns a json. These jsonArray elements
> do have the ecPolicy name.
> But when WebHdfsFileSystem converts it back into a FileStatus object, the
> ecPolicy is not added. This is because the json contains only the ecPolicy
> name and this name is not sufficient to decode it back to ErasureCodingPolicy
> object.
> While converting json back to HdfsFileStatus we should set ecPolicyName
> whenever it is set for give file/dir.
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