HADOOP-13965. Groups should be consistent in using default group mapping class. Contributed by Yiqun Lin.

2017-01-19 09:42:56 +08:00 · 2017-01-19 09:42:56 +08:00 · 383aa9c9f5
commit 383aa9c9f5
parent 2bf4c6e2d6
1 changed files with 5 additions and 6 deletions
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/Groups.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/Groups.java
@ -103,12 +103,11 @@ public Groups(Configuration conf) {
  }

  public Groups(Configuration conf, final Timer timer) {
-    impl = 
-      ReflectionUtils.newInstance(
-          conf.getClass(CommonConfigurationKeys.HADOOP_SECURITY_GROUP_MAPPING, 
-                        ShellBasedUnixGroupsMapping.class, 
-                        GroupMappingServiceProvider.class), 
-          conf);
+    impl = ReflectionUtils.newInstance(
+        conf.getClass(CommonConfigurationKeys.HADOOP_SECURITY_GROUP_MAPPING,
+            JniBasedUnixGroupsMappingWithFallback.class,
+            GroupMappingServiceProvider.class),
+        conf);

    cacheTimeout = 
      conf.getLong(CommonConfigurationKeys.HADOOP_SECURITY_GROUPS_CACHE_SECS,