diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/event/AsyncDispatcher.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/event/AsyncDispatcher.java index 6cdfaad..caa8818 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/event/AsyncDispatcher.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/event/AsyncDispatcher.java @@ -59,7 +59,7 @@ // Indicates all the remaining dispatcher's events on stop have been drained // and processed. private volatile boolean drained = true; - private Object waitForDrained = new Object(); + private final Object waitForDrained = new Object(); // For drainEventsOnStop enabled only, block newly coming events into the // queue while stopping.