[ 
https://issues.apache.org/jira/browse/HADOOP-18144?focusedWorklogId=737794&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-737794
 ]

ASF GitHub Bot logged work on HADOOP-18144:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 07/Mar/22 21:21
            Start Date: 07/Mar/22 21:21
    Worklog Time Spent: 10m 
      Work Description: hadoop-yetus commented on pull request #4034:
URL: https://github.com/apache/hadoop/pull/4034#issuecomment-1061148464


   :confetti_ball: **+1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime |  Logfile | Comment |
   |:----:|----------:|--------:|:--------:|:-------:|
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   |||| _ Prechecks _ |
   | +1 :green_heart: |  dupname  |   0m  0s |  |  No case conflicting files 
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   | +0 :ok: |  codespell  |   0m  0s |  |  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 _ |
   | +1 :green_heart: |  mvninstall  |  33m 24s |  |  trunk passed  |
   | +1 :green_heart: |  compile  |  25m 21s |  |  trunk passed with JDK 
Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04  |
   | +1 :green_heart: |  compile  |  22m  8s |  |  trunk passed with JDK 
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07  |
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   | +1 :green_heart: |  mvnsite  |   1m 39s |  |  trunk passed  |
   | +1 :green_heart: |  javadoc  |   1m 19s |  |  trunk passed with JDK 
Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04  |
   | +1 :green_heart: |  javadoc  |   1m 45s |  |  trunk passed with JDK 
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07  |
   | +1 :green_heart: |  spotbugs  |   2m 41s |  |  trunk passed  |
   | +1 :green_heart: |  shadedclient  |  22m 25s |  |  branch has no errors 
when building and testing our client artifacts.  |
   |||| _ Patch Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   1m  0s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |  24m 38s |  |  the patch passed with JDK 
Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04  |
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   | +1 :green_heart: |  compile  |  22m  1s |  |  the patch passed with JDK 
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07  |
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issues.  |
   | +1 :green_heart: |  checkstyle  |   1m  0s |  |  
hadoop-common-project/hadoop-common: The patch generated 0 new + 103 unchanged 
- 1 fixed = 103 total (was 104)  |
   | +1 :green_heart: |  mvnsite  |   1m 43s |  |  the patch passed  |
   | +1 :green_heart: |  javadoc  |   1m 14s |  |  the patch passed with JDK 
Ubuntu-11.0.13+8-Ubuntu-0ubuntu1.20.04  |
   | +1 :green_heart: |  javadoc  |   1m 50s |  |  the patch passed with JDK 
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07  |
   | +1 :green_heart: |  spotbugs  |   2m 44s |  |  the patch passed  |
   | +1 :green_heart: |  shadedclient  |  22m 44s |  |  patch has no errors 
when building and testing our client artifacts.  |
   |||| _ Other Tests _ |
   | +1 :green_heart: |  unit  |  18m  9s |  |  hadoop-common in the patch 
passed.  |
   | +1 :green_heart: |  asflicense  |   0m 59s |  |  The patch does not 
generate ASF License warnings.  |
   |  |   | 210m 25s |  |  |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.41 ServerAPI=1.41 base: 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4034/9/artifact/out/Dockerfile
 |
   | GITHUB PR | https://github.com/apache/hadoop/pull/4034 |
   | Optional Tests | dupname asflicense compile javac javadoc mvninstall 
mvnsite unit shadedclient spotbugs checkstyle codespell |
   | uname | Linux 7f4ddfdfc259 4.15.0-169-generic #177-Ubuntu SMP Thu Feb 3 
10:50:38 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux |
   | Build tool | maven |
   | Personality | dev-support/bin/hadoop.sh |
   | git revision | trunk / 10f1436fed70a73c71a641a6c1d8b14a2e1af4fc |
   | Default Java | Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
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/usr/lib/jvm/java-8-openjdk-amd64:Private 
Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
   |  Test Results | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4034/9/testReport/ |
   | Max. process+thread count | 2184 (vs. ulimit of 5500) |
   | modules | C: hadoop-common-project/hadoop-common U: 
hadoop-common-project/hadoop-common |
   | Console output | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4034/9/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: 737794)
    Time Spent: 3h  (was: 2h 50m)

> getTrashRoot/s in ViewFileSystem should return viewFS path, not targetFS path
> -----------------------------------------------------------------------------
>
>                 Key: HADOOP-18144
>                 URL: https://issues.apache.org/jira/browse/HADOOP-18144
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: common
>            Reporter: Xing Lin
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 3h
>  Remaining Estimate: 0h
>
> It is probably incorrect that we return a targetFS path from getTrashRoot() 
> in ViewFileSystem, as that path will be used later on by ViewFileSystem in 
> other operations, such as rename. ViewFileSystem is assuming the path that it 
> receives is a viewFS path, but not a target FS path. For example, rename() in 
> ViewFileSystem will call getUriPath() for src/dst path, which will remove the 
> scheme/authority and then try to resolve the path-only component. It thus 
> sometimes leads to incorrect path resolution, as we are doing the path 
> resolution again on a targetFS path. 
>  
> On the other hand, it is not always trivial/feasible to determine the correct 
> viewFS path for a given trash root in targetFS path. 
> Example:
> Assume we have a mount point for /user/foo -> abfs:/containerA
> User foo calls getTrashRoot("/a/b/c") and "/a/b/c" does not match any mount 
> point. We fall back to the fallback hdfs, which by default returns 
> hdfs://localhost/user/foo/.Trash. In this case, it is incorrect to return the 
> trash root as viewfs:/user/foo, as it will be resolved to the abfs mount 
> point, instead of the fallback hdfs.
>   



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