Github user zsxwing commented on a diff in the pull request:
https://github.com/apache/spark/pull/7159#discussion_r34636951
--- Diff: core/src/main/scala/org/apache/spark/rpc/akka/AkkaRpcEnv.scala ---
@@ -237,6 +237,12 @@ private[spark] class AkkaRpcEnv private[akka] (
}
override def toString: String =
s"${getClass.getSimpleName}($actorSystem)"
+
+ def deserialize[T](deserializationAction: () => T): T = {
+
JavaSerializer.currentSystem.withValue(actorSystem.asInstanceOf[ExtendedActorSystem])
{
--- End diff --
spark JavaSerializer is used to deserialize objects. However, it does not
have an actor system in the current context. I need to use Akka
`JavaSerializer.currentSystem` to put the current actor system into a
thread-local variable.
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