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https://issues.apache.org/jira/browse/HBASE-13716?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14551848#comment-14551848
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zhangduo commented on HBASE-13716:
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There are two FSConstants...
One is {{org.apache.hadoop.fs.FsConstants}}, and the other is
{{org.apache.hadoop.hdfs.protocol.FSConstants}}.
The former one is marked as public and the latter one is what HDFS-8135 wants
to remove.
There is only one place where we use
{{org.apache.hadoop.hdfs.protocol.FSConstants}}. FSUtils calls
{{DistributedFileSystem.setSafeMode}}. We could just replace it with
{{HdfsConstants}}. But {{HdfsConstants}} is marked as private. Is there any
other ways to check if an HDFS is in safe mode?
> Stop using Hadoop's FSConstants
> -------------------------------
>
> Key: HBASE-13716
> URL: https://issues.apache.org/jira/browse/HBASE-13716
> Project: HBase
> Issue Type: Task
> Affects Versions: 1.0.0, 1.1.0
> Reporter: Sean Busbey
> Assignee: Sean Busbey
> Priority: Blocker
> Fix For: 2.0.0, 1.0.2, 1.2.0, 1.1.1
>
>
> the FSConstants class was removed in HDFS-8135 (currently slated for Hadoop
> 2.8.0). I'm trying to have it reverted in branch-2, but we should migrate off
> of it sooner rather htan later.
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