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From "Kihwal Lee (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-4943) WebHdfsFileSystem does not work when original file path has encoded chars
Date Wed, 17 Jul 2013 21:58:50 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4943?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kihwal Lee updated HDFS-4943:
-----------------------------

    Fix Version/s: 0.23.10
    
> WebHdfsFileSystem does not work when original file path has encoded chars 
> --------------------------------------------------------------------------
>
>                 Key: HDFS-4943
>                 URL: https://issues.apache.org/jira/browse/HDFS-4943
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: webhdfs
>    Affects Versions: 1.2.0, 1.1.2, 2.0.4-alpha, 0.23.10
>            Reporter: Jerry He
>            Assignee: Jerry He
>            Priority: Minor
>             Fix For: 2.1.0-beta, 0.23.10
>
>         Attachments: HDFS-4943-b023.patch, HDFS-4943-trunk.patch, HDFS-4943-trunk-v2.patch
>
>
> In HBase, the WAL (hlog) file name on hdfs is URL encoded. For example, 
> hdtest010%2C60020%2C1371000602151.1371058984668
> When we use webhdfs client to access the hlog file via httpfs, it does not work in this
case.
> $ hadoop fs -ls hdfs:///user/biadmin/hbase_hlogs                                    
              
> Found 1 items
> -rw-r--r--   3 biadmin supergroup   15049470 2013-06-12 10:45 /user/biadmin/hbase_hlogs/hdtest010%2C60020%2C1371000602151.1371058984668
> $ hadoop fs -ls hdfs:///user/biadmin/hbase_hlogs/hdtest010%2C60020%2C1371000602151.1371058984668
> Found 1 items
> -rw-r--r--   3 biadmin supergroup   15049470 2013-06-12 10:45 /user/biadmin/hbase_hlogs/hdtest010%2C60020%2C1371000602151.1371058984668
> $ hadoop fs -ls webhdfs://hdtest010:14000/user/biadmin/hbase_hlogs
> Found 1 items
> -rw-r--r--   3 biadmin supergroup   15049470 2013-06-12 10:45 /user/biadmin/hbase_hlogs/hdtest010%2C60020%2C1371000602151.1371058984668
> $
> $ hadoop fs -ls webhdfs://hdtest010:14000/user/biadmin/hbase_hlogs/hdtest010%2C60020%2C1371000602151.1371058984668
> 13/06/27 18:36:08 DEBUG web.WebHdfsFileSystem: Original exception is
> org.apache.hadoop.ipc.RemoteException:java.io.FileNotFoundException:File does not exist:
/user/biadmin/hbase_hlogs/hdtest010,60020,1371000602151.1371058984668
>         at org.apache.hadoop.hdfs.web.JsonUtil.toRemoteException(JsonUtil.java:114)
>         at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.validateResponse(WebHdfsFileSystem.java:299)
>         at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.access$500(WebHdfsFileSystem.java:104)
>         at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$Runner.getResponse(WebHdfsFileSystem.java:641)
>         at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$Runner.run(WebHdfsFileSystem.java:538)
>         at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.run(WebHdfsFileSystem.java:468)
>         at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.getHdfsFileStatus(WebHdfsFileSystem.java:662)
>         at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.getFileStatus(WebHdfsFileSystem.java:673)
>         at org.apache.hadoop.fs.FileSystem.getFileStatus(FileSystem.java:1365)
>         at org.apache.hadoop.fs.FileSystem.globStatusInternal(FileSystem.java:1048)
>         at org.apache.hadoop.fs.FileSystem.globStatus(FileSystem.java:987)
>         at org.apache.hadoop.fs.FileSystem.globStatus(FileSystem.java:965)
>         at org.apache.hadoop.fs.FsShell.ls(FsShell.java:573)
>         at org.apache.hadoop.fs.FsShell.doall(FsShell.java:1571)
>         at org.apache.hadoop.fs.FsShell.run(FsShell.java:1789)
>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
>         at org.apache.hadoop.fs.FsShell.main(FsShell.java:1895)
> ls: Cannot access webhdfs://hdtest010:14000/user/biadmin/hbase_hlogs/hdtest010%2C60020%2C1371000602151.1371058984668:
No such file or directory.

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