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-rw-r--r--yarn/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMaster.scala4
1 files changed, 2 insertions, 2 deletions
diff --git a/yarn/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMaster.scala b/yarn/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMaster.scala
index 796422bc25..e966bfba7b 100644
--- a/yarn/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMaster.scala
+++ b/yarn/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMaster.scala
@@ -68,8 +68,8 @@ private[spark] class ApplicationMaster(
@volatile private var finalMsg: String = ""
@volatile private var userClassThread: Thread = _
- private var reporterThread: Thread = _
- private var allocator: YarnAllocator = _
+ @volatile private var reporterThread: Thread = _
+ @volatile private var allocator: YarnAllocator = _
// Fields used in client mode.
private var actorSystem: ActorSystem = null