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Date: Tue, 21 Oct 2008 14:32:44 -0700 (PDT)
From: "Robert Chansler (JIRA)" <jira@apache.org>
To: core-dev@hadoop.apache.org
Subject: [jira] Updated: (HADOOP-3889) distcp: Better Error Message should
 be thrown when accessing source files/directory with no read permission
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     [ https://issues.apache.org/jira/browse/HADOOP-3889?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Chansler updated HADOOP-3889:
------------------------------------

    Release Note: Changed DistCp error messages when there is a RemoteException.  Changed the corresponding return value from -999 to -3.  (was: Changed DistCp error messages when there is a RemoteException.  Also changed the corresponding return value from -999 to -3.)
    Hadoop Flags: [Incompatible change, Reviewed]  (was: [Reviewed, Incompatible change])

> distcp: Better Error Message should be thrown when accessing source files/directory with no read permission
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-3889
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3889
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: tools/distcp
>    Affects Versions: 0.17.1
>            Reporter: Peeyush Bishnoi
>            Assignee: Tsz Wo (Nicholas), SZE
>            Priority: Minor
>             Fix For: 0.19.0
>
>         Attachments: 3889_20080813.patch, 3889_20080813b.patch
>
>
> Distcp: Better Error Message should be thrown when accessing/copying source files/directory with no read permission . So that it would help user to somehow avoid copying that subdirectory or get the owner to change the permissions.
> $ hadoop dfs -lsr /user/scoopy/
> Found 1 items
> /user/scoopy/string1       <r 3>   2054687 2008-08-01 10:41        rwx------       scoopy 	data
> --> Trying to copy the file which tom don't have permission to read 
> $ logname
> tom
> $ hadoop distcp -i hftp://namenode1:8121/user/scoopy/string1 hdfs://namenode2:8121/user/tom/
> 08/07/31 17:36:00 INFO util.CopyFiles: srcPaths=[hftp://namenode1:8121/user/scoopy/string1]
> 08/07/31 17:36:00 INFO util.CopyFiles: destPath=hdfs://namenode2:8121/user/tom/
> With failures, global counters are inaccurate; consider running with -i
> Copy failed: java.io.IOException: invalid xml directory content
>         at org.apache.hadoop.dfs.HftpFileSystem$LsParser.fetchList(HftpFileSystem.java:184)
>         at org.apache.hadoop.dfs.HftpFileSystem$LsParser.listStatus(HftpFileSystem.java:199)
>         at org.apache.hadoop.dfs.HftpFileSystem$LsParser.listStatus(HftpFileSystem.java:207)
>         at org.apache.hadoop.dfs.HftpFileSystem.listStatus(HftpFileSystem.java:214)
>         at org.apache.hadoop.util.CopyFiles.setup(CopyFiles.java:933)
>         at org.apache.hadoop.util.CopyFiles.copy(CopyFiles.java:603)
>         at org.apache.hadoop.util.CopyFiles.run(CopyFiles.java:743)
>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
>         at org.apache.hadoop.util.CopyFiles.main(CopyFiles.java:763)
> Caused by: org.xml.sax.SAXException: Unrecognized entry: RemoteException
>         at org.apache.hadoop.dfs.HftpFileSystem$LsParser.startElement(HftpFileSystem.java:151)
>         at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:501)
>         at
> com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emptyElement(AbstractXMLDocumentParser.java:179)
>         at
> com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:377)
>         at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2740)
>         at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:647)
>         at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:140)
>         at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:508)
>         at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:807)
>         at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737)
>         at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:107)
>         at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205)
>         at org.apache.hadoop.dfs.HftpFileSystem$LsParser.fetchList(HftpFileSystem.java:182)
>         ... 9 more
> ----

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