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https://issues.apache.org/jira/browse/HDFS-16720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17576052#comment-17576052
 ] 

ASF GitHub Bot commented on HDFS-16720:
---------------------------------------

hadoop-yetus commented on PR #4709:
URL: https://github.com/apache/hadoop/pull/4709#issuecomment-1206876037

   :broken_heart: **-1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime |  Logfile | Comment |
   |:----:|----------:|--------:|:--------:|:-------:|
   | +0 :ok: |  reexec  |   0m 35s |  |  Docker mode activated.  |
   |||| _ Prechecks _ |
   | +1 :green_heart: |  dupname  |   0m  1s |  |  No case conflicting files 
found.  |
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   | +0 :ok: |  detsecrets  |   0m  0s |  |  detect-secrets was not available.  
|
   | +1 :green_heart: |  @author  |   0m  0s |  |  The patch does not contain 
any @author tags.  |
   | -1 :x: |  test4tests  |   0m  0s |  |  The patch doesn't appear to include 
any new or modified tests. Please justify why no new tests are needed for this 
patch. Also please list what manual steps were performed to verify this patch.  
|
   |||| _ trunk Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |  38m 54s |  |  trunk passed  |
   | +1 :green_heart: |  compile  |   1m 46s |  |  trunk passed with JDK 
Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1  |
   | +1 :green_heart: |  compile  |   1m 32s |  |  trunk passed with JDK 
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07  |
   | +1 :green_heart: |  checkstyle  |   1m 24s |  |  trunk passed  |
   | +1 :green_heart: |  mvnsite  |   1m 44s |  |  trunk passed  |
   | +1 :green_heart: |  javadoc  |   1m 25s |  |  trunk passed with JDK 
Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1  |
   | +1 :green_heart: |  javadoc  |   1m 49s |  |  trunk passed with JDK 
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07  |
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   | +1 :green_heart: |  shadedclient  |  23m  7s |  |  branch has no errors 
when building and testing our client artifacts.  |
   |||| _ Patch Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   1m 21s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |   1m 27s |  |  the patch passed with JDK 
Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1  |
   | +1 :green_heart: |  javac  |   1m 27s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |   1m 20s |  |  the patch passed with JDK 
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07  |
   | +1 :green_heart: |  javac  |   1m 20s |  |  the patch passed  |
   | +1 :green_heart: |  blanks  |   0m  0s |  |  The patch has no blanks 
issues.  |
   | +1 :green_heart: |  checkstyle  |   1m  2s |  |  the patch passed  |
   | +1 :green_heart: |  mvnsite  |   1m 25s |  |  the patch passed  |
   | +1 :green_heart: |  javadoc  |   0m 58s |  |  the patch passed with JDK 
Private Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1  |
   | +1 :green_heart: |  javadoc  |   1m 32s |  |  the patch passed with JDK 
Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07  |
   | +1 :green_heart: |  spotbugs  |   3m 21s |  |  the patch passed  |
   | +1 :green_heart: |  shadedclient  |  22m 47s |  |  patch has no errors 
when building and testing our client artifacts.  |
   |||| _ Other Tests _ |
   | +1 :green_heart: |  unit  | 236m 46s |  |  hadoop-hdfs in the patch 
passed.  |
   | +1 :green_heart: |  asflicense  |   1m 14s |  |  The patch does not 
generate ASF License warnings.  |
   |  |   | 347m 32s |  |  |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.41 ServerAPI=1.41 base: 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4709/1/artifact/out/Dockerfile
 |
   | GITHUB PR | https://github.com/apache/hadoop/pull/4709 |
   | Optional Tests | dupname asflicense compile javac javadoc mvninstall 
mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets |
   | uname | Linux 757b060dc166 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6 
11:12:41 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux |
   | Build tool | maven |
   | Personality | dev-support/bin/hadoop.sh |
   | git revision | trunk / 3816597de7c3b4d05cc6f058fd6f510964e88c78 |
   | Default Java | Private Build-1.8.0_312-8u312-b07-0ubuntu1~20.04-b07 |
   | Multi-JDK versions | /usr/lib/jvm/java-11-openjdk-amd64:Private 
Build-11.0.15+10-Ubuntu-0ubuntu0.20.04.1 
/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-4709/1/testReport/ |
   | Max. process+thread count | 3551 (vs. ulimit of 5500) |
   | modules | C: hadoop-hdfs-project/hadoop-hdfs U: 
hadoop-hdfs-project/hadoop-hdfs |
   | Console output | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4709/1/console |
   | versions | git=2.25.1 maven=3.6.3 spotbugs=4.2.2 |
   | Powered by | Apache Yetus 0.14.0 https://yetus.apache.org |
   
   
   This message was automatically generated.
   
   




> Import detailed class instead of import * in hadoop-hdfs moulde
> ---------------------------------------------------------------
>
>                 Key: HDFS-16720
>                 URL: https://issues.apache.org/jira/browse/HDFS-16720
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: ZanderXu
>            Assignee: ZanderXu
>            Priority: Major
>              Labels: pull-request-available
>
> During reading code in hadoop-hdfs module, I found that there is import * 
> case in some classes, such asĀ 
> {code:java}
> // BlockPlacementPolicyDefault.java
> import java.util.*;{code}



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