This came up at Lightbend over at https://github.com/akka/alpakka-kafka/pull/1727 ``` % cat S.scala class S % cat J.java //> using scala 3.4.0 //> using dep org.junit.jupiter:junit-jupiter-api:5.10.2 @TestInstance(org.junit.jupiter.api.TestInstance.Lifecycle.PER_CLASS) class J { } % scala-cli compile . Compiling project (Scala 3.4.0, JVM (17)) [error] ./J.java:6:1 [error] ')' expected but eof found. ``` Next, I will see if I can construct a reproducer that doesn't involve an external library.