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Date: Thu, 18 Feb 2010 23:43:27 +0000 (UTC)
From: "Hudson (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
Subject: [jira] Commented: (HADOOP-6558) archive does not work with distcp
 -update
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    [ https://issues.apache.org/jira/browse/HADOOP-6558?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12835501#action_12835501 ] 

Hudson commented on HADOOP-6558:
--------------------------------

Integrated in Hadoop-Common-trunk-Commit #175 (See [http://hudson.zones.apache.org/hudson/job/Hadoop-Common-trunk-Commit/175/])
    . Return null in HarFileSystem.getFileChecksum(..) since no checksum algorithm is implemented.


> archive does not work with distcp -update
> -----------------------------------------
>
>                 Key: HADOOP-6558
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6558
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>             Fix For: 0.22.0
>
>         Attachments: c6558_20100216.patch, c6558_20100216b.patch, c6558_20100216b_y0.20.patch
>
>
> The following distcp command  works.
> {noformat}
> hadoop distcp -Dmapred.job.queue.name=q har://hdfs-nn_hostname:8020/user/tsz/t101.har/t101 t101_distcp
> {noformat}
> However, it does not work for -update.
> {noformat}
> -bash-3.1$ hadoop distcp -Dmapred.job.queue.name=q -update har://hdfs-nn_hostname:8020/user/tsz/t101.har/t101 t101_distcp
> 10/01/29 20:06:53 INFO tools.DistCp: srcPaths=[har://hdfs-nn_hostname:8020/user/tsz/t101.har/t101]
> 10/01/29 20:06:53 INFO tools.DistCp: destPath=t101
> java.lang.IllegalArgumentException: Wrong FS: har://hdfs-nn_hostname:8020/user/tsz/t101.har/t101/text-00000000, expected: hdfs://nn_hostname
>         at org.apache.hadoop.fs.FileSystem.checkPath(FileSystem.java:310)
>         at org.apache.hadoop.hdfs.DistributedFileSystem.checkPath(DistributedFileSystem.java:99)
>         at org.apache.hadoop.hdfs.DistributedFileSystem.getPathName(DistributedFileSystem.java:155)
>         at org.apache.hadoop.hdfs.DistributedFileSystem.getFileChecksum(DistributedFileSystem.java:463)
>         at org.apache.hadoop.hdfs.DistributedFileSystem.getFileChecksum(DistributedFileSystem.java:46)
>         at org.apache.hadoop.fs.FilterFileSystem.getFileChecksum(FilterFileSystem.java:250)
>         at org.apache.hadoop.tools.DistCp.sameFile(DistCp.java:1204)
>         at org.apache.hadoop.tools.DistCp.setup(DistCp.java:1084)
>         ...
> {noformat}

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