jiangxb1987 commented on a change in pull request #28245:
URL: https://github.com/apache/spark/pull/28245#discussion_r411142912
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File path: core/src/main/scala/org/apache/spark/BarrierTaskContext.scala
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@@ -85,28 +84,28 @@ class BarrierTaskContext private[spark] (
// BarrierCoordinator on timeout, instead of RPCTimeoutException from
the RPC framework.
timeout = new RpcTimeout(365.days, "barrierTimeout"))
- // messages which consist of all barrier tasks' messages
- var messages: Array[String] = null
// Wait the RPC future to be completed, but every 1 second it will jump
out waiting
// and check whether current spark task is killed. If killed, then throw
// a `TaskKilledException`, otherwise continue wait RPC until it
completes.
- try {
- while (!abortableRpcFuture.toFuture.isCompleted) {
+
+ // import scala Success locally to avoid conflict with
org.apache.spark.Success
+ import scala.util.{Failure, Success, Try}
Review comment:
nit: you can rename `s.u.Success` to `ScalaSuccess`, then you can move
this import declaration to the beginning.
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