[ 
https://issues.apache.org/jira/browse/HADOOP-17742?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

jerry updated HADOOP-17742:
---------------------------
    Description: 
{code:java}
When I copy file from a ftp filesystem to other ftp filesystem by distCp, the 
tmp target path can't be found. After my test, it was caused by the comma. And 
when the uri of target path with schema, host, port can't be rename because of 
the ioexception.

// exception information
java.io.FileNotFoundException: Source path 
ftp://hadoop336.photo.163.org:21/ndi-0111/56598489-3de3-4585-8426-c03435640481/.distcp.tmp.attempt_local344388648_0001_m_000000_0.1622634094600
 does not existjava.io.FileNotFoundException: Source path 
ftp://hadoop336.photo.163.org:21/ndi-0111/56598489-3de3-4585-8426-c03435640481/.distcp.tmp.attempt_local344388648_0001_m_000000_0.1622634094600
 does not exist at 
org.apache.hadoop.fs.ftp.FTPFileSystem.rename(FTPFileSystem.java:668) at 
org.apache.hadoop.fs.ftp.FTPFileSystem.rename(FTPFileSystem.java:626) at 
org.apache.hadoop.tools.mapred.RetriableFileCopyCommand.promoteTmpToTarget(RetriableFileCopyCommand.java:220)
 at 
org.apache.hadoop.tools.mapred.RetriableFileCopyCommand.doCopy(RetriableFileCopyCommand.java:155)
 at 
org.apache.hadoop.tools.mapred.RetriableFileCopyCommand.doExecute(RetriableFileCopyCommand.java:115)
 at 
org.apache.hadoop.tools.util.RetriableCommand.execute(RetriableCommand.java:87) 
at 
org.apache.hadoop.tools.mapred.CopyMapper.copyFileWithRetry(CopyMapper.java:258)



{code}

  was:
{code:java}
When I copy file from a ftp filesystem to other ftp filesystem by distCp, the 
tmp target path can't be found. After my test, it was caused by the comma. And 
when the uri of target path with schema, host, port can't be rename because of 
the ioexception.

// exception information
java.io.FileNotFoundException: Source path 
ftp://hadoop336.photo.163.org:21/ndi-0111/56598489-3de3-4585-8426-c03435640481/.distcp.tmp.attempt_local344388648_0001_m_000000_0.1622634094600
 does not existjava.io.FileNotFoundException: Source path 
ftp://hadoop336.photo.163.org:21/ndi-0111/56598489-3de3-4585-8426-c03435640481/.distcp.tmp.attempt_local344388648_0001_m_000000_0.1622634094600
 does not exist at 
org.apache.hadoop.fs.ftp.FTPFileSystem.rename(FTPFileSystem.java:668) at 
org.apache.hadoop.fs.ftp.FTPFileSystem.rename(FTPFileSystem.java:626) at 
org.apache.hadoop.tools.mapred.RetriableFileCopyCommand.promoteTmpToTarget(RetriableFileCopyCommand.java:220)
 at 
org.apache.hadoop.tools.mapred.RetriableFileCopyCommand.doCopy(RetriableFileCopyCommand.java:155)
 at 
org.apache.hadoop.tools.mapred.RetriableFileCopyCommand.doExecute(RetriableFileCopyCommand.java:115)
 at 
org.apache.hadoop.tools.util.RetriableCommand.execute(RetriableCommand.java:87) 
at 
org.apache.hadoop.tools.mapred.CopyMapper.copyFileWithRetry(CopyMapper.java:258)

// exception information when rename 
Exception in thread "main" java.io.IOException: Cannot rename source: 
/ndi-0111/2/distcp.tmp.attempt_local1899244355_0001_m_000000_0.1622622033323 to 
ftp://59.111.93.226:60021/ndi-0111/2/test6.txt -only same directory renames are 
supportedException in thread "main" java.io.IOException: Cannot rename source: 
/ndi-0111/2/distcp.tmp.attempt_local1899244355_0001_m_000000_0.1622622033323 to 
ftp://59.111.93.226:60021/ndi-0111/2/test6.txt -only same directory renames are 
supported at 
org.apache.hadoop.fs.ftp.FTPFileSystem.rename(FTPFileSystem.java:674) at 
org.apache.hadoop.fs.ftp.FTPFileSystem.rename(FTPFileSystem.java:613)


{code}


> DistCp: distcp fail when copying to ftp filesystem
> --------------------------------------------------
>
>                 Key: HADOOP-17742
>                 URL: https://issues.apache.org/jira/browse/HADOOP-17742
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: tools/distcp
>    Affects Versions: 3.3.0
>            Reporter: jerry
>            Assignee: jerry
>            Priority: Blocker
>
> {code:java}
> When I copy file from a ftp filesystem to other ftp filesystem by distCp, the 
> tmp target path can't be found. After my test, it was caused by the comma. 
> And when the uri of target path with schema, host, port can't be rename 
> because of the ioexception.
> // exception information
> java.io.FileNotFoundException: Source path 
> ftp://hadoop336.photo.163.org:21/ndi-0111/56598489-3de3-4585-8426-c03435640481/.distcp.tmp.attempt_local344388648_0001_m_000000_0.1622634094600
>  does not existjava.io.FileNotFoundException: Source path 
> ftp://hadoop336.photo.163.org:21/ndi-0111/56598489-3de3-4585-8426-c03435640481/.distcp.tmp.attempt_local344388648_0001_m_000000_0.1622634094600
>  does not exist at 
> org.apache.hadoop.fs.ftp.FTPFileSystem.rename(FTPFileSystem.java:668) at 
> org.apache.hadoop.fs.ftp.FTPFileSystem.rename(FTPFileSystem.java:626) at 
> org.apache.hadoop.tools.mapred.RetriableFileCopyCommand.promoteTmpToTarget(RetriableFileCopyCommand.java:220)
>  at 
> org.apache.hadoop.tools.mapred.RetriableFileCopyCommand.doCopy(RetriableFileCopyCommand.java:155)
>  at 
> org.apache.hadoop.tools.mapred.RetriableFileCopyCommand.doExecute(RetriableFileCopyCommand.java:115)
>  at 
> org.apache.hadoop.tools.util.RetriableCommand.execute(RetriableCommand.java:87)
>  at 
> org.apache.hadoop.tools.mapred.CopyMapper.copyFileWithRetry(CopyMapper.java:258)
> {code}



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