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https://issues.apache.org/jira/browse/HADOOP-14693?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16120328#comment-16120328
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Ajay Yadav commented on HADOOP-14693:
-------------------------------------
[~ajisakaa],[~andrew.wang] , As i understand , we can do it in two ways.
1. Update the junit dependency in hadoop-main to junit5 with
junit-jupiter-engine. which will require changes in most of the test cases to
move them to new junit5 api and platform. (More riskier)
2. Update the junit dependency in hadoop-main to junit5 while maintaining
backward compatibility to test cases built in junit4 using
(junit-vintage-engine). As a next step we can create new test cases using junit
5 api and move old test cases to junit5 in steps. This will be incremental
change with less risk to breaking old test cases.
Any ideas, suggestions on this?
> Upgrade JUnit from 4 to 5
> -------------------------
>
> Key: HADOOP-14693
> URL: https://issues.apache.org/jira/browse/HADOOP-14693
> Project: Hadoop Common
> Issue Type: Sub-task
> Reporter: Akira Ajisaka
>
> JUnit 4 does not support Java 9. We need to upgrade this.
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