[jira] [Updated] (FLINK-33310) Scala before 2.12.18 doesn't compile on Java 21

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-33310?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated FLINK-33310:
-----------------------------------
    Labels: pull-request-available  (was: )

> Scala before 2.12.18 doesn't compile on Java 21
> -----------------------------------------------
>
>                 Key: FLINK-33310
>                 URL: https://issues.apache.org/jira/browse/FLINK-33310
>             Project: Flink
>          Issue Type: Sub-task
>            Reporter: Sergey Nuyanzin
>            Priority: Major
>              Labels: pull-request-available
>
> It fails with
> {noformat}
> [ERROR] error:
> [INFO]   bad constant pool index: 0 at pos: 48445
> [INFO]      while compiling: <no file>
> [INFO]         during phase: globalPhase=<no phase>, enteringPhase=<some phase>
> [INFO]      library version: version 2.12.15
> [INFO]     compiler version: version 2.12.15
> ...
> [INFO]   last tree to typer: EmptyTree
> [INFO]        tree position: <unknown>
> [INFO]             tree tpe: <notype>
> [INFO]               symbol: null
> [INFO]            call site: <none> in <none>
> [INFO] 
> [INFO] == Source file context for tree position ==
> {noformat}
> based on release notes 2.12.18 - the first 2.12.x supporting jdk21
> https://github.com/scala/scala/releases/tag/v2.12.18



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