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ebadger pushed a commit to branch trunk
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The following commit(s) were added to refs/heads/trunk by this push:
     new 56b7571  YARN-9815 ReservationACLsTestBase fails with NPE. Contributed 
by Ahmed Hussein
56b7571 is described below

commit 56b7571131b0af03b32bf1c5673c32634652df21
Author: Eric Badger <[email protected]>
AuthorDate: Wed Sep 11 21:59:28 2019 +0000

    YARN-9815 ReservationACLsTestBase fails with NPE. Contributed by Ahmed 
Hussein
---
 .../yarn/server/resourcemanager/security/ReservationsACLsManager.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git 
a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/security/ReservationsACLsManager.java
 
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/security/ReservationsACLsManager.java
index 5586f86b..be2be18 100644
--- 
a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/security/ReservationsACLsManager.java
+++ 
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/security/ReservationsACLsManager.java
@@ -79,7 +79,7 @@ public class ReservationsACLsManager {
     if (this.reservationAcls.containsKey(queueName)) {
       Map<ReservationACL, AccessControlList> acls = this.reservationAcls.get(
               queueName);
-      if (acls.containsKey(acl)) {
+      if (acls != null && acls.containsKey(acl)) {
         return acls.get(acl).isUserAllowed(callerUGI);
       } else {
         // Give access if acl is undefined for queue.


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