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https://issues.apache.org/jira/browse/FLINK-30501?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dong Lin updated FLINK-30501:
-----------------------------
    Description: 
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.

[1] 
[https://nightlies.apache.org/flink/flink-docs-release-1.15/docs/flinkdev/building/]

  was:
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 is inconsistent. We update our doc to mention that Java 8 is deprecated 
instead of saying that Java 11 is required.

The statement "Fink requires at least Java 11 to build" was added in 
https://issues.apache.org/jira/browse/FLINK-25247. However the JIRA title only 
says "Inform users about deprecation".

 [1] 
[https://nightlies.apache.org/flink/flink-docs-release-1.15/docs/flinkdev/building/]


> 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
>
> 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.
> [1] 
> [https://nightlies.apache.org/flink/flink-docs-release-1.15/docs/flinkdev/building/]



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