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From "Peeyush Bishnoi (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-3889) distcp: Better Error Message should be thrown when accessing source files/directory with no read permission
Date Fri, 01 Aug 2008 19:44:31 GMT
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: dfs
    Affects Versions: 0.17.1
            Reporter: Peeyush Bishnoi
            Priority: Minor


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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