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https://issues.apache.org/jira/browse/SPARK-48757?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun reassigned SPARK-48757:
-------------------------------------

    Assignee: Dongjoon Hyun

> Make `IndexShuffleBlockResolver` have explicit constructors
> -----------------------------------------------------------
>
>                 Key: SPARK-48757
>                 URL: https://issues.apache.org/jira/browse/SPARK-48757
>             Project: Spark
>          Issue Type: Sub-task
>          Components: Spark Core
>    Affects Versions: 4.0.0
>            Reporter: Dongjoon Hyun
>            Assignee: Dongjoon Hyun
>            Priority: Major
>
> Although `IndexShuffleBlockResolver` is `private` and there is no contract to 
> keep class constructor signitures, we had better reduce the following 
> situations with the old libraries built against old Spark versions.
> ```
> Cause: java.lang.NoSuchMethodError: 'void 
> org.apache.spark.shuffle.IndexShuffleBlockResolver.<init>(org.apache.spark.SparkConf,
>  org.apache.spark.storage.BlockManager)'
>      [info]   at 
> org.apache.spark.sql.comet.execution.shuffle.CometShuffleManager.<init>(CometShuffleManager.scala:64)
> ```



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