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Posted to issues@spark.apache.org by "Yang Jie (Jira)" <ji...@apache.org> on 2021/08/25 05:46:00 UTC

[jira] [Commented] (SPARK-33772) Build and Run Spark on Java 17

    [ https://issues.apache.org/jira/browse/SPARK-33772?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17404187#comment-17404187 ] 

Yang Jie commented on SPARK-33772:
----------------------------------

[~dongjoon] [~hyukjin.kwon] [~xkrogen] I've been doing some test work recently:
 * Scala 2.13 and JDK 17-ea are easier to use together. We can pass most UTs by adding some ` --add-opens' rules, I think maybe we can try to use these args as the default for `spark.driver.extraJavaOptions` and `spark.executor.extraJavaOptions` when use JDK 17
 * Scala 2.12 doesn't seem to fit well because there are some interfaces mismatch when using the reflection API with JDK 17-ea

 

> Build and Run Spark on Java 17
> ------------------------------
>
>                 Key: SPARK-33772
>                 URL: https://issues.apache.org/jira/browse/SPARK-33772
>             Project: Spark
>          Issue Type: New Feature
>          Components: Build
>    Affects Versions: 3.2.0
>            Reporter: Dongjoon Hyun
>            Priority: Major
>
> Apache Spark supports Java 8 and Java 11 (LTS). The next Java LTS version is 17.
> ||Version||Release Date||
> |Java 17 (LTS)|September 2021|



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