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https://issues.apache.org/jira/browse/HDFS-8435?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14610744#comment-14610744
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Jakob Homan commented on HDFS-8435:
-----------------------------------
Haven't had a chance to look. Scheduled for Thursday, maybe Monday.
> createNonRecursive support needed in WebHdfsFileSystem to support HBase
> -----------------------------------------------------------------------
>
> Key: HDFS-8435
> URL: https://issues.apache.org/jira/browse/HDFS-8435
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: webhdfs
> Affects Versions: 2.6.0
> Reporter: Vinoth Sathappan
> Assignee: Jakob Homan
> Attachments: HDFS-8435-branch-2.7.001.patch, HDFS-8435.001.patch,
> HDFS-8435.002.patch
>
>
> The WebHdfsFileSystem implementation doesn't support createNonRecursive.
> HBase extensively depends on that for proper functioning. Currently, when the
> region servers are started over web hdfs, they crash due with -
> createNonRecursive unsupported for this filesystem class
> org.apache.hadoop.hdfs.web.SWebHdfsFileSystem
> at
> org.apache.hadoop.fs.FileSystem.createNonRecursive(FileSystem.java:1137)
> at
> org.apache.hadoop.fs.FileSystem.createNonRecursive(FileSystem.java:1112)
> at
> org.apache.hadoop.fs.FileSystem.createNonRecursive(FileSystem.java:1088)
> at
> org.apache.hadoop.hbase.regionserver.wal.ProtobufLogWriter.init(ProtobufLogWriter.java:85)
> at
> org.apache.hadoop.hbase.regionserver.wal.HLogFactory.createWriter(HLogFactory.java:198)
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