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YARN-5921. Incorrect synchronization in RMContextImpl#setHAServiceState/getHAServiceState. Contributed by Varun Saxena 

(cherry picked from commit f3b8ff54ab)
This commit is contained in:
Naganarasimha 2016-12-06 06:53:38 +05:30
parent 2fdae7324b
commit 54c5880cf7
1 changed files with 6 additions and 4 deletions
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10
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/RMContextImpl.java
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@ -79,6 +79,8 @@ public class RMContextImpl implements RMContext {
private QueueLimitCalculator queueLimitCalculator;
private final Object haServiceStateLock = new Object();
/**
* Default constructor. To be used in conjunction with setter methods for
* individual fields.
@ -253,9 +255,9 @@ public class RMContextImpl implements RMContext {
this.isHAEnabled = isHAEnabled;
}
void setHAServiceState(HAServiceState haServiceState) {
synchronized (haServiceState) {
this.haServiceState = haServiceState;
void setHAServiceState(HAServiceState serviceState) {
synchronized (haServiceStateLock) {
this.haServiceState = serviceState;
}
}
@ -351,7 +353,7 @@ public class RMContextImpl implements RMContext {
@Override
public HAServiceState getHAServiceState() {
synchronized (haServiceState) {
synchronized (haServiceStateLock) {
return haServiceState;
}
}