kenji yoshida

`run` task does not fail if throw `LinkageError`

2

## steps ### `Main.scala` ```scala package example object Main { def main(args: Array[String]): Unit = { throw new LinkageError } } ``` ### `project/build.properties` ```properties sbt.version=1.9.6 ``` `sbt run` ##...

https://github.com/scalatra/scalatra/pull/1645#issuecomment-1960920059

https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/util/Locale.html#%3Cinit%3E(java.lang.String,java.lang.String,java.lang.String) ``` [warn] -- Deprecation Warning: /home/runner/work/scalatra/scalatra/core/src/main/scala/org/scalatra/i18n/I18nSupport.scala:101:16 [warn] 101 | new Locale(langCountry.head, langCountry.last) [warn] | ^^^^^^ [warn] |constructor Locale in class Locale is deprecated since : see corresponding Javadoc for...

migrate to scalatest

2

# Pull Request Checklist * [x] Have you read through the [contributor guidelines](https://www.playframework.com/contributing)? * [x] Have you [squashed your commits](https://www.playframework.com/documentation/latest/WorkingWithGit#Squashing-commits)? * [x] Have you added copyright headers to new files?...

fix JsonMemoryFootprintSpec with JDK 21

1

# Pull Request Checklist * [x] Have you read through the [contributor guidelines](https://www.playframework.com/contributing)? * [x] Have you [squashed your commits](https://www.playframework.com/documentation/latest/WorkingWithGit#Squashing-commits)? * [x] Have you added copyright headers to new files?...

eliminate duplicated code

DatabasePublisherTckTest flaky if MySQL

2

- https://github.com/scalikejdbc/scalikejdbc/pull/2097