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https://issues.apache.org/jira/browse/FLINK-30274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17690982#comment-17690982
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Ran Tao commented on FLINK-30274:
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[~martijnvisser] Hi, Can u help me to review it again?
> Upgrade commons-collections 3.x to commons-collections4
> -------------------------------------------------------
>
> Key: FLINK-30274
> URL: https://issues.apache.org/jira/browse/FLINK-30274
> Project: Flink
> Issue Type: Technical Debt
> Components: Build System
> Affects Versions: 1.16.0
> Reporter: Ran Tao
> Assignee: Ran Tao
> Priority: Major
> Labels: pull-request-available
> Attachments: image-2022-12-02-16-40-22-172.png
>
>
> First, Apache commons-collections 3.x is a Java 1.3 compatible version, and
> it does not use Java 5 generics. Apache commons-collections4 4.4 is an
> upgraded version of commons-collections and it built by Java 8.
> The Apache Spark has same issue: [https://github.com/apache/spark/pull/35257]
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