Add java 21 and 25 to build matrix #373

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Philippus wants to merge 1 commit into scala:main from Philippus:patch-1

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Philippus commented Oct 4, 2025

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          Add java 21 and 25 to build matrix

50e5e41

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xuwei-k commented Oct 5, 2025

[error] Error while emitting Async.scala
[error] Unsupported class file major version 69

Scala 2.12.20 optimizer does not support JDK 25.

[2.12.x] Upgrade asm for JDK25 support scala#11028
scala-async/build.sbt

Line 14 in 0eaee56

ScalaModulePlugin.enableOptimizer,
https://github.com/scala/sbt-scala-module/blob/689ddf1548431a11cb51843b3bd2c097d493d404/src/main/scala/ScalaModulePlugin.scala#L44-L51

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Philippus commented Oct 5, 2025

I've made a separate PR adding only java 21 here: #374

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