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https://issues.apache.org/jira/browse/MAPREDUCE-7475?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17845386#comment-17845386
 ] 

ASF GitHub Bot commented on MAPREDUCE-7475:
-------------------------------------------

hadoop-yetus commented on PR #6785:
URL: https://github.com/apache/hadoop/pull/6785#issuecomment-2104748348

   :confetti_ball: **+1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime |  Logfile | Comment |
   |:----:|----------:|--------:|:--------:|:-------:|
   |||| _ Prechecks _ |
   | +1 :green_heart: |  dupname  |   0m 01s |  |  No case conflicting files 
found.  |
   | +0 :ok: |  spotbugs  |   0m 01s |  |  spotbugs executables are not 
available.  |
   | +0 :ok: |  codespell  |   0m 01s |  |  codespell was not available.  |
   | +0 :ok: |  detsecrets  |   0m 01s |  |  detect-secrets was not available.  
|
   | +1 :green_heart: |  @author  |   0m 00s |  |  The patch does not contain 
any @author tags.  |
   | +1 :green_heart: |  test4tests  |   0m 00s |  |  The patch appears to 
include 6 new or modified test files.  |
   |||| _ trunk Compile Tests _ |
   | +0 :ok: |  mvndep  |   2m 20s |  |  Maven dependency ordering for branch  |
   | +1 :green_heart: |  mvninstall  |  85m 29s |  |  trunk passed  |
   | +1 :green_heart: |  compile  |   6m 18s |  |  trunk passed  |
   | +1 :green_heart: |  checkstyle  |   4m 36s |  |  trunk passed  |
   | +1 :green_heart: |  mvnsite  |  14m 16s |  |  trunk passed  |
   | +1 :green_heart: |  javadoc  |  13m 49s |  |  trunk passed  |
   | +1 :green_heart: |  shadedclient  | 157m 54s |  |  branch has no errors 
when building and testing our client artifacts.  |
   |||| _ Patch Compile Tests _ |
   | +0 :ok: |  mvndep  |   2m 15s |  |  Maven dependency ordering for patch  |
   | +1 :green_heart: |  mvninstall  |   7m 37s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |   4m 03s |  |  the patch passed  |
   | +1 :green_heart: |  javac  |   4m 03s |  |  the patch passed  |
   | +1 :green_heart: |  blanks  |   0m 00s |  |  The patch has no blanks 
issues.  |
   | +1 :green_heart: |  checkstyle  |   2m 21s |  |  the patch passed  |
   | +1 :green_heart: |  mvnsite  |   7m 29s |  |  the patch passed  |
   | +1 :green_heart: |  javadoc  |   6m 28s |  |  the patch passed  |
   | +1 :green_heart: |  shadedclient  | 160m 01s |  |  patch has no errors 
when building and testing our client artifacts.  |
   |||| _ Other Tests _ |
   | +1 :green_heart: |  asflicense  |   5m 11s |  |  The patch does not 
generate ASF License warnings.  |
   |  |   | 439m 28s |  |  |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | GITHUB PR | https://github.com/apache/hadoop/pull/6785 |
   | Optional Tests | dupname asflicense compile javac javadoc mvninstall 
mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets |
   | uname | MINGW64_NT-10.0-17763 2bb0df688968 3.4.10-87d57229.x86_64 
2024-02-14 20:17 UTC x86_64 Msys |
   | Build tool | maven |
   | Personality | /c/hadoop/dev-support/bin/hadoop.sh |
   | git revision | trunk / 4e98ad73e02de48c4078314ec240f4106faf81dc |
   | Default Java | Azul Systems, Inc.-1.8.0_332-b09 |
   |  Test Results | 
https://ci-hadoop.apache.org/job/hadoop-multibranch-windows-10/job/PR-6785/2/testReport/
 |
   | modules | C: 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient
 U: hadoop-mapreduce-project/hadoop-mapreduce-client |
   | Console output | 
https://ci-hadoop.apache.org/job/hadoop-multibranch-windows-10/job/PR-6785/2/console
 |
   | versions | git=2.44.0.windows.1 |
   | Powered by | Apache Yetus 0.14.0 https://yetus.apache.org |
   
   
   This message was automatically generated.
   
   




> 2 tests are non-idempotent (passes in the first run but fails in repeated 
> runs in the same JVM)
> -----------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-7475
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-7475
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>         Environment: Ubuntu 22.04, Java 17
>            Reporter: Kaiyao Ke
>            Priority: Major
>              Labels: pull-request-available
>   Original Estimate: 10m
>  Remaining Estimate: 10m
>
> 2 tests are not idempotent and fails upon repeated execution within the same 
> JVM instance due to self-induced state pollution. Specifically, these tests 
> try to make the directory TEST_ROOT_DIR and write to it. The tests do not 
> clean up (remove) the directory after execution. Therefore, in the second 
> execution, TEST_ROOT_DIR would already exist and the exception `Could not 
> create test dir` would be thrown. Below are the 2 non-idempotent tests:
>  * org.apache.hadoop.mapred.TestOldCombinerGrouping.testCombiner
>  * org.apache.hadoop.mapreduce.TestNewCombinerGrouping.testCombiner



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