http://git-wip-us.apache.org/repos/asf/hadoop/blob/088ae9c5/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-registry/src/main/java/org/apache/hadoop/registry/client/impl/zk/RegistrySecurity.java
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/d218ab58/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-registry/src/main/java/org/apache/hadoop/registry/client/impl/zk/RegistrySecurity.java
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diff --git
http://git-wip-us.apache.org/repos/asf/hadoop/blob/6a326711/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-registry/src/main/java/org/apache/hadoop/registry/client/impl/zk/RegistrySecurity.java
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