Github user BryanCutler commented on a diff in the pull request:
https://github.com/apache/spark/pull/6205#discussion_r31971284
--- Diff: core/src/main/scala/org/apache/spark/rpc/akka/AkkaRpcEnv.scala ---
@@ -214,8 +213,11 @@ private[spark] class AkkaRpcEnv private[akka] (
override def asyncSetupEndpointRefByURI(uri: String):
Future[RpcEndpointRef] = {
import actorSystem.dispatcher
- actorSystem.actorSelection(uri).resolveOne(defaultLookupTimeout).
- map(new AkkaRpcEndpointRef(defaultAddress, _, conf))
+
actorSystem.actorSelection(uri).resolveOne(defaultLookupTimeout.duration).
+ map(new AkkaRpcEndpointRef(defaultAddress, _, conf)).
+ // this is just in case there is a timeout from creating the future
in resolveOne, we want the
+ // exception to indicate the conf that determines the timeout
+ recover(defaultLookupTimeout.addMessageIfTimeout)
--- End diff --
Here is the usage with `addMessageIfTimeout` as a `PartialFunction`
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