[jira] [Closed] (FLINK-30501) Update Flink build instruction to deprecate Java 8 instead of requiring Java 11

["Dong Lin (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-30501?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dong Lin closed FLINK-30501.
----------------------------
    Resolution: Fixed

> Update Flink build instruction to deprecate Java 8 instead of requiring Java 11
> -------------------------------------------------------------------------------
>
>                 Key: FLINK-30501
>                 URL: https://issues.apache.org/jira/browse/FLINK-30501
>             Project: Flink
>          Issue Type: Improvement
>          Components: Build System / CI
>            Reporter: Dong Lin
>            Assignee: Dong Lin
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.17.0
>
>
> Flink 1.15 and later versions require at least Java 11 to build from sources [1], whereas the pom.xml specifies the source/target is 1.8. This inconsistency confuses users.
> As mentioned in the FLINK-25247 title, the goal of that ticket is to "Inform users about deprecation". It will be better to inform users that "Java 8 is deprecated" instead of saying "Fink requires at least Java 11 to build", so that users have the right information to make the right choice for themselves.
> Also note that Flink community is regularly running flink-ml benchmark for both Java 8 and Java 11 [2], which suggests that we are practically ensuring Java 8 is supported.
> [1] [https://nightlies.apache.org/flink/flink-docs-release-1.15/docs/flinkdev/building/]
> [2] [http://codespeed.dak8s.net:8000/timeline/?ben=mapSink.F27_UNBOUNDED&env=2]



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