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YARN-10499. TestRouterWebServiceREST fails (#2490). Contributed by Akira Ajisaka

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Akira Ajisaka 2020-12-17 01:26:15 +09:00 committed by GitHub
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commit df7f1e5199
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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 +181,11 @@ public class CSMappingPlacementRule extends PlacementRule {
return; return;
} }
Set<String> groupsSet = groups.getGroupsSet(user); Set<String> groupsSet = groups.getGroupsSet(user);
if (groupsSet.isEmpty()) {
LOG.warn("There are no groups for user {}", user);
vctx.putExtraDataset("groups", groupsSet);
return;
}
String secondaryGroup = null; String secondaryGroup = null;
Iterator<String> it = groupsSet.iterator(); Iterator<String> it = groupsSet.iterator();
String primaryGroup = it.next(); String primaryGroup = it.next();