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Class org.apache.hadoop.security.SecurityUtil

Removed Methods
Policy getPolicy() Get the current global security policy for Hadoop.
Subject getSubject(UserGroupInformation) Get the Subject for the user identified by ugi.
void setPolicy(Policy) Set the global security policy for Hadoop.
 

Added Methods
String buildDTServiceName(URI, int) create service name for Delegation token ip:port
void fetchServiceTicket(URL) Explicitly pull the service ticket for the specified host.
AccessControlList getAdminAcls(Configuration, String) Get the ACL object representing the cluster administrators The user who starts the daemon is automatically added as an admin
String getServerPrincipal(String, String) Convert Kerberos principal name conf values to valid Kerberos principal names.
boolean isOriginalTGT(String)  
void login(Configuration, String, String) If a keytab has been provided login as that user.
void login(Configuration, String, String, String) If a keytab has been provided login as that user.
 

Added Fields
String HOSTNAME_PATTERN  
Log LOG