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https://issues.apache.org/jira/browse/HADOOP-17742?focusedWorklogId=606681&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-606681
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ASF GitHub Bot logged work on HADOOP-17742:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 04/Jun/21 08:13
            Start Date: 04/Jun/21 08:13
    Worklog Time Spent: 10m 
      Work Description: hadoop-yetus commented on pull request #3071:
URL: https://github.com/apache/hadoop/pull/3071#issuecomment-853988493


   :confetti_ball: **+1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime |  Logfile | Comment |
   |:----:|----------:|--------:|:--------:|:-------:|
   | +0 :ok: |  reexec  |   0m 37s |  |  Docker mode activated.  |
   |||| _ Prechecks _ |
   | +1 :green_heart: |  dupname  |   0m  0s |  |  No case conflicting files 
found.  |
   | +0 :ok: |  codespell  |   0m  1s |  |  codespell was not available.  |
   | +1 :green_heart: |  @author  |   0m  0s |  |  The patch does not contain 
any @author tags.  |
   | +1 :green_heart: |  test4tests  |   0m  0s |  |  The patch appears to 
include 1 new or modified test files.  |
   |||| _ trunk Compile Tests _ |
   | +0 :ok: |  mvndep  |  16m  6s |  |  Maven dependency ordering for branch  |
   | +1 :green_heart: |  mvninstall  |  21m  6s |  |  trunk passed  |
   | +1 :green_heart: |  compile  |  22m 16s |  |  trunk passed with JDK 
Ubuntu-11.0.10+9-Ubuntu-0ubuntu1.20.04  |
   | +1 :green_heart: |  compile  |  18m 42s |  |  trunk passed with JDK 
Private Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08  |
   | +1 :green_heart: |  checkstyle  |   3m 46s |  |  trunk passed  |
   | +1 :green_heart: |  mvnsite  |   2m 26s |  |  trunk passed  |
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Ubuntu-11.0.10+9-Ubuntu-0ubuntu1.20.04  |
   | +1 :green_heart: |  javadoc  |   2m 21s |  |  trunk passed with JDK 
Private Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08  |
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   | +1 :green_heart: |  shadedclient  |  14m 30s |  |  branch has no errors 
when building and testing our client artifacts.  |
   |||| _ Patch Compile Tests _ |
   | +0 :ok: |  mvndep  |   0m 28s |  |  Maven dependency ordering for patch  |
   | +1 :green_heart: |  mvninstall  |   1m 26s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |  21m 52s |  |  the patch passed with JDK 
Ubuntu-11.0.10+9-Ubuntu-0ubuntu1.20.04  |
   | +1 :green_heart: |  javac  |  21m 52s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |  19m 22s |  |  the patch passed with JDK 
Private Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08  |
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issues.  |
   | -0 :warning: |  checkstyle  |   3m 52s | 
[/results-checkstyle-root.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3071/1/artifact/out/results-checkstyle-root.txt)
 |  root: The patch generated 4 new + 84 unchanged - 3 fixed = 88 total (was 
87)  |
   | +1 :green_heart: |  mvnsite  |   2m 14s |  |  the patch passed  |
   | +1 :green_heart: |  javadoc  |   1m 49s |  |  the patch passed with JDK 
Ubuntu-11.0.10+9-Ubuntu-0ubuntu1.20.04  |
   | +1 :green_heart: |  javadoc  |   2m 20s |  |  the patch passed with JDK 
Private Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08  |
   | +1 :green_heart: |  spotbugs  |   3m 52s |  |  the patch passed  |
   | +1 :green_heart: |  shadedclient  |  14m 54s |  |  patch has no errors 
when building and testing our client artifacts.  |
   |||| _ Other Tests _ |
   | +1 :green_heart: |  unit  |  17m  3s |  |  hadoop-common in the patch 
passed.  |
   | +1 :green_heart: |  unit  |  22m 35s |  |  hadoop-distcp in the patch 
passed.  |
   | +1 :green_heart: |  asflicense  |   0m 58s |  |  The patch does not 
generate ASF License warnings.  |
   |  |   | 224m  7s |  |  |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.41 ServerAPI=1.41 base: 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3071/1/artifact/out/Dockerfile
 |
   | GITHUB PR | https://github.com/apache/hadoop/pull/3071 |
   | Optional Tests | dupname asflicense compile javac javadoc mvninstall 
mvnsite unit shadedclient spotbugs checkstyle codespell |
   | uname | Linux 4368ce4cc012 4.15.0-112-generic #113-Ubuntu SMP Thu Jul 9 
23:41:39 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux |
   | Build tool | maven |
   | Personality | dev-support/bin/hadoop.sh |
   | git revision | trunk / 4f6f65cc09fadbca84e2f56b99555255c7bf13ea |
   | Default Java | Private Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08 |
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/usr/lib/jvm/java-8-openjdk-amd64:Private 
Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08 |
   |  Test Results | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3071/1/testReport/ |
   | Max. process+thread count | 2118 (vs. ulimit of 5500) |
   | modules | C: hadoop-common-project/hadoop-common 
hadoop-tools/hadoop-distcp U: . |
   | Console output | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3071/1/console |
   | versions | git=2.25.1 maven=3.6.3 spotbugs=4.2.2 |
   | Powered by | Apache Yetus 0.14.0-SNAPSHOT https://yetus.apache.org |
   
   
   This message was automatically generated.
   
   


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Issue Time Tracking
-------------------

    Worklog Id:     (was: 606681)
    Time Spent: 3h 40m  (was: 3.5h)

> DistCp: distcp fail when renaming within 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: Minor
>              Labels: pull-request-available
>         Attachments: screenshot-1.png
>
>          Time Spent: 3h 40m
>  Remaining Estimate: 0h
>
> When I copy file from a ftp filesystem to other ftp filesystem by distCp, 
> there are two problems. Firstly,  the tmp target path can't be found in the 
> exception information. After my test, it was caused by the comma. Then when 
> the uri of target path with schema, host, port can't be rename because of the 
> ioexception.
> {code:java}
> // 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}
> When I update the tempFileName from '.distcp.tmp.XXX' in  
> org.apache.hadoop.tools.mapred.RetriableFileCopyCommand#getTempFile to 
> 'distcp.tmp.XXX', the question one is gone.
> The targetPath can be renamed when only the path of uri exists in 
> org.apache.hadoop.tools.mapred.RetriableFileCopyCommand#doCopy.



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