Package org.apache.hadoop.security

Interface Summary

Interface	Description
GroupMappingServiceProvider	An interface for the implementation of a user-to-groups mapping service used by Groups.
IdMappingServiceProvider	An interface for the implementation of mapping and mapping

Enum Summary

Enum	Description
UserGroupInformation.AuthenticationMethod	existing types of authentications' methods

Exception Summary

Exception	Description
KerberosAuthException	Thrown when UserGroupInformation failed with an unrecoverable error, such as failure in kerberos login/logout, invalid subject etc.