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https://issues.apache.org/jira/browse/HDFS-6326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13997862#comment-13997862
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Kihwal Lee edited comment on HDFS-6326 at 5/14/14 6:33 PM:
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Did you check the findbugs warning? Two different FsACLPermission objects can
have the same hash code and equal. Probably it is okay for us functionally. If
that is the case, we can address it in a separate jira.
was (Author: kihwal):
Did you check the findbugs warning? Two different FsACLPermission objects can
have the same hash code and equal.
> WebHdfs ACL compatibility is broken
> -----------------------------------
>
> Key: HDFS-6326
> URL: https://issues.apache.org/jira/browse/HDFS-6326
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: webhdfs
> Affects Versions: 3.0.0, 2.4.0
> Reporter: Daryn Sharp
> Assignee: Chris Nauroth
> Priority: Blocker
> Attachments: HDFS-6326.1.patch, HDFS-6326.2.patch, HDFS-6326.3.patch,
> HDFS-6326.4.patch, HDFS-6326.5.patch, HDFS-6326.6.patch, aclfsperm.example
>
>
> 2.4 ACL support is completely incompatible with <2.4 webhdfs servers. The NN
> throws an {{IllegalArgumentException}} exception.
> {code}
> hadoop fs -ls webhdfs://nn/
> Found 21 items
> ls: Invalid value for webhdfs parameter "op": No enum constant
> org.apache.hadoop.hdfs.web.resources.GetOpParam.Op.GETACLSTATUS
> [... 20 more times...]
> {code}
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