[GitHub] [hadoop] aajisaka commented on a change in pull request #2490: YARN-10499. TestRouterWebServiceREST fails

[GitBox <gi...@apache.org>]

aajisaka commented on a change in pull request #2490:
URL: https://github.com/apache/hadoop/pull/2490#discussion_r533161628



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File path: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/placement/CSMappingPlacementRule.java
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@@ -181,6 +181,10 @@ private void setupGroupsForVariableContext(VariableContext vctx, String user)
       return;
     }
     Set<String> groupsSet = groups.getGroupsSet(user);
+    if (groupsSet.isEmpty()) {
+      LOG.warn("There are no groups for user {}", user);
+      return;

Review comment:
       Added it. Thank you @shuzirra




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