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https://issues.apache.org/jira/browse/HADOOP-17769?focusedWorklogId=613258&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-613258
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ASF GitHub Bot logged work on HADOOP-17769:
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Author: ASF GitHub Bot
Created on: 22/Jun/21 08:07
Start Date: 22/Jun/21 08:07
Worklog Time Spent: 10m
Work Description: amahussein opened a new pull request #3130:
URL: https://github.com/apache/hadoop/pull/3130
HADOOP-17769 Upgrade JUnit to 4.13.2
JUnit 4.13.1 has a bug that is reported in Junit issue-1652 _Timeout
ThreadGroups should not be destroyed._
The bug has been fixed in Junit-4.13.2
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Issue Time Tracking
-------------------
Worklog Id: (was: 613258)
Time Spent: 1h 20m (was: 1h 10m)
> Upgrade JUnit to 4.13.2
> -----------------------
>
> Key: HADOOP-17769
> URL: https://issues.apache.org/jira/browse/HADOOP-17769
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 3.3.1, 3.4.0, 2.10.2, 3.2.3
> Reporter: Ahmed Hussein
> Assignee: Ahmed Hussein
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> JUnit 4.13.1 has a bug that is reported in Junit
> [issue-1652|https://github.com/junit-team/junit4/issues/1652] _Timeout
> ThreadGroups should not be destroyed_
> After upgrading Junit to 4.13.1 in HADOOP-17602, {{TestBlockRecovery}}
> started to fail regularly in branch-3.x and branch-2.10.
> While investigating the failure in branch-2.10 HDFS-16072, I found out that
> the bug is the main reason {{TestBlockRecovery}} started to fail because the
> timeout of the Junit would try to close a ThreadGroup that has been already
> closed which throws the {{java.lang.IllegalThreadStateException}}.
> The bug has been fixed in Junit-4.13.2
> For branch-3.x, HDFS-15940 did not address the root cause of the problem.
> Eventually, Splitting the {{TestBlockRecovery}} hid the bug, but the upgrade
> needs to be done so that the problem does not show up in another unit test.
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