From 43112bd472661b4044808210a77ae938a120934f Mon Sep 17 00:00:00 2001
From: swamirishi <47532440+swamirishi@users.noreply.github.com>
Date: Mon, 27 Jun 2022 17:20:58 -0700
Subject: [PATCH] HADOOP-18306: Warnings should not be shown on cli console
 when linux user not present on client (#4474). Contributed by swamirishi.

---
 .../org/apache/hadoop/security/ShellBasedUnixGroupsMapping.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/ShellBasedUnixGroupsMapping.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/ShellBasedUnixGroupsMapping.java
index f4db520ac2..d0c4e11cbe 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/ShellBasedUnixGroupsMapping.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/ShellBasedUnixGroupsMapping.java
@@ -215,7 +215,7 @@ private Set<String> getUnixGroups(String user) throws IOException {
           groups = resolvePartialGroupNames(user, e.getMessage(),
               executor.getOutput());
         } catch (PartialGroupNameException pge) {
-          LOG.warn("unable to return groups for user {}", user, pge);
+          LOG.debug("unable to return groups for user {}", user, pge);
           return EMPTY_GROUPS_SET;
         }
       }