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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8435) Support CreateFlag in WebHdfs
Date Wed, 19 Aug 2015 16:34:47 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8435?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14703298#comment-14703298
] 

Hudson commented on HDFS-8435:
------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk #2219 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/2219/])
HDFS-8435. Support CreateFlag in WebHDFS. Contributed by Jakob Homan (cdouglas: rev 30e342a5d32be5efffeb472cce76d4ed43642608)
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/web/webhdfs/WebHdfsHandler.java
* hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestWebHDFS.java
* hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/WebHDFS.md
* hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/resources/CreateFlagParam.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/web/webhdfs/ParameterParser.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/web/resources/NamenodeWebHdfsMethods.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFileCreation.java
* hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/resources/CreateParentParam.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/CreateFlag.java


> Support CreateFlag in WebHdfs
> -----------------------------
>
>                 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
>             Fix For: 2.8.0
>
>         Attachments: HDFS-8435-branch-2.7.001.patch, HDFS-8435.001.patch, HDFS-8435.002.patch,
HDFS-8435.003.patch, HDFS-8435.004.patch, HDFS-8435.005.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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