Compile akka-serialization-jackson with Scala 3 (#30408)

Tests compile but one test fails - possibly because of the mixed Jackson
versions. Took inspiration from #30361

Refs #30243

.travis.yml

@@ -38,7 +38,7 @@ jobs:
     - stage: scala3
       name: scala3
       # separate job since only a few modules compile with Scala 3 yet
-      script: jabba install adopt@1.11-0 && jabba use adopt@1.11-0 && sbt -Dakka.build.scalaVersion=3.0 "akka-actor-tests/test:compile" akka-actor-testkit-typed/compile akka-actor-typed/compile akka-discovery/compile akka-pki/test:compile akka-protobuf/test:compile akka-protobuf-v3/test:compile akka-slf4j/test:compile akka-stream/compile akka-stream-tests-tck/test akka-coordination/test
+      script: jabba install adopt@1.11-0 && jabba use adopt@1.11-0 && sbt -Dakka.build.scalaVersion=3.0 "akka-actor-tests/test:compile" akka-actor-testkit-typed/compile akka-actor-typed/compile akka-discovery/compile akka-pki/test:compile akka-protobuf/test:compile akka-protobuf-v3/test:compile akka-slf4j/test:compile akka-stream/compile akka-stream-tests-tck/test akka-coordination/test akka-serialization-jackson/test:compile 
 
 stages:
   - name: whitesource

akka-serialization-jackson/src/main/scala/akka/serialization/jackson/JacksonSerializer.scala

@@ -177,7 +177,7 @@ import akka.util.OptionVal
   // TODO issue #27107: it should be possible to implement ByteBufferSerializer as well, using Jackson's
   //      ByteBufferBackedOutputStream/ByteBufferBackedInputStream
 
-  private val log = Logging.withMarker(system, getClass)
+  private val log = Logging.withMarker(system, classOf[JacksonSerializer])
   private val conf = JacksonObjectMapperProvider.configForBinding(bindingName, system.settings.config)
   private val isDebugEnabled = conf.getBoolean("verbose-debug-logging") && log.isDebugEnabled
   private final val BufferSize = 1024 * 4

akka-serialization-jackson/src/test/scala/akka/serialization/jackson/JacksonSerializerSpec.scala

@@ -151,8 +151,8 @@ object ScalaTestMessages {
   }
 
   final case class WithAkkaSerializer(
-      @JsonDeserialize(using = classOf[AkkaSerializationDeserializer])
+      @JsonDeserialize(`using` = classOf[AkkaSerializationDeserializer])
-      @JsonSerialize(using = classOf[AkkaSerializationSerializer])
+      @JsonSerialize(`using` = classOf[AkkaSerializationSerializer])
       akkaSerializer: HasAkkaSerializer)
       extends TestMessage
 }

akka-serialization-jackson/src/test/scala/doc/akka/serialization/jackson/CustomAdtSerializer.scala

@@ -16,8 +16,8 @@ object CustomAdtSerializer {
   import com.fasterxml.jackson.databind.deser.std.StdDeserializer
   import com.fasterxml.jackson.databind.ser.std.StdSerializer
 
-  @JsonSerialize(using = classOf[DirectionJsonSerializer])
+  @JsonSerialize(`using` = classOf[DirectionJsonSerializer])
-  @JsonDeserialize(using = classOf[DirectionJsonDeserializer])
+  @JsonDeserialize(`using` = classOf[DirectionJsonDeserializer])
   sealed trait Direction
 
   object Direction {

akka-serialization-jackson/src/test/scala/doc/akka/serialization/jackson/SerializationDocSpec.scala

@@ -163,7 +163,7 @@ object SerializationDocSpec {
     final case class Lion(name: String) extends Animal
     final case class Elephant(name: String, age: Int) extends Animal
 
-    @JsonDeserialize(using = classOf[UnicornDeserializer])
+    @JsonDeserialize(`using` = classOf[UnicornDeserializer])
     sealed trait Unicorn extends Animal
     @JsonTypeName("unicorn")
     case object Unicorn extends Unicorn

project/Dependencies.scala

@@ -293,14 +293,22 @@ object Dependencies {
         jacksonCore,
         jacksonAnnotations,
         jacksonDatabind,
-        jacksonScala,
         jacksonJdk8,
         jacksonJsr310,
         jacksonParameterNames,
         jacksonCbor,
         lz4Java,
         Test.junit,
-        Test.scalatest)
+        Test.scalatest) ++
+    (if (getScalaVersion() == scala3Version)
+      // jackson-module-scala is only available for Scala 3 from 2.13.0 onwards.
+      // since we don't depend on it ourselves, but provide it as a transitive
+      // dependency for convenience, we can leave it out for Scala 3 for now,
+      // and depend on 2.13.0-rc1 for our tests. Eventually we should consider
+      // whether to update all jackson artifacts for Scala 3.
+      Seq("com.fasterxml.jackson.module" %% "jackson-module-scala" % "2.13.0-rc1" % "test")
+    else
+      Seq(jacksonScala))
 
   val osgi = l ++= Seq(
         osgiCore,