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https://issues.apache.org/jira/browse/HBASE-6067?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13288541#comment-13288541
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Daryn Sharp commented on HBASE-6067:
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{{getMethod}} should be used instead of {{getDeclaredMethod}} since most
filesystems, like DFS, currently rely on the default impl of the path accepting
methods in {{FileSystem}} to call the non-path methods (which are or should be
deprecated). I don't think {{getDeclaredMethod}} will search the superclasses,
so it will always fallback to the non-path version when the fs isn't viewfs.
> HBase won't start when hbase.rootdir uses ViewFileSystem
> --------------------------------------------------------
>
> Key: HBASE-6067
> URL: https://issues.apache.org/jira/browse/HBASE-6067
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Reporter: Eli Collins
> Assignee: Zhihong Ted Yu
> Fix For: 0.96.0, 0.94.1, 0.92.3
>
> Attachments: 6067-v2.txt, 6067.txt
>
>
> HBase currently doesn't work with HDFS federation (hbase.rootdir with a
> client that uses viewfs) because HLog#init uses
> FileSystem#getDefaultBlockSize and getDefaultReplication. These throw an
> exception because there is no default filesystem in a viewfs client so
> there's no way to determine a default block size or replication factor. They
> could use the versions of these methods that take a path, however these were
> introduced in HADOOP-8014 and are not yet available in Hadoop 1.x.
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