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https://issues.apache.org/jira/browse/HDFS-15691?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17240386#comment-17240386
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Zhengxi Li commented on HDFS-15691:
-----------------------------------

Marking this as closed per the discussion above.

> Fix flaky test TestServerWebApp.getHomeDir
> ------------------------------------------
>
>                 Key: HDFS-15691
>                 URL: https://issues.apache.org/jira/browse/HDFS-15691
>             Project: Hadoop HDFS
>          Issue Type: Bug
>         Environment: macOS 10.15.6
> java version "1.8.0_151"
> Java(TM) SE Runtime Environment (build 1.8.0_151-b12)
> Java HotSpot(TM) 64-Bit Server VM (build 25.151-b12, mixed mode)
> Apache Maven 3.6.3 (cecedd343002696d0abb50b32b541b8a6ba2883f)
>  
>            Reporter: Zhengxi Li
>            Assignee: Zhengxi Li
>            Priority: Minor
>              Labels: pull-request-available
>         Attachments: HDFS-15691.001.patch
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> The test '{{org.apache.hadoop.lib.servlet.TestServerWebApp.getHomeDir'}} is 
> not idempotent and fails if run twice in the same JVM, because it pollutes 
> state shared among tests. It may be good to clean this state pollution so 
> that some other tests do not fail in the future due to the shared state 
> polluted by this test.
>  
> PR link: https://github.com/apache/hadoop/pull/2482



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