# Hierarchy For Package org.apache.hadoop.security

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.hadoop.conf.Configured (implements org.apache.hadoop.conf.Configurable)
    - org.apache.hadoop.security.KDiag (implements java.io.Closeable, org.apache.hadoop.util.Tool)
  - org.apache.hadoop.security.Credentials (implements org.apache.hadoop.io.Writable)
  - java.util.Dictionary<K,V>
    - java.util.Hashtable<K,V> (implements java.lang.Cloneable, java.util.Map<K,V>, java.io.Serializable)
      - java.util.Properties
        - java.security.Provider
          - org.apache.hadoop.security.SaslPlainServer.SecurityProvider
  - org.apache.hadoop.http.FilterInitializer
    - org.apache.hadoop.security.AuthenticationFilterInitializer
    - org.apache.hadoop.security.HttpCrossOriginFilterInitializer
  - org.apache.hadoop.security.IdMappingConstant
  - org.apache.hadoop.security.JniBasedUnixGroupsMappingWithFallback (implements org.apache.hadoop.security.GroupMappingServiceProvider)
  - org.apache.hadoop.security.JniBasedUnixGroupsNetgroupMappingWithFallback (implements org.apache.hadoop.security.GroupMappingServiceProvider)
  - org.apache.hadoop.security.NullGroupsMapping (implements org.apache.hadoop.security.GroupMappingServiceProvider)
  - org.apache.hadoop.security.ProviderUtils
  - org.apache.hadoop.security.SaslPlainServer.SaslPlainServerFactory (implements javax.security.sasl.SaslServerFactory)
  - org.apache.hadoop.security.SaslPropertiesResolver (implements org.apache.hadoop.conf.Configurable)
    - org.apache.hadoop.security.IngressPortBasedResolver
    - org.apache.hadoop.security.WhitelistBasedResolver
  - org.apache.hadoop.security.SaslRpcServer.SaslDigestCallbackHandler (implements javax.security.auth.callback.CallbackHandler)
  - org.apache.hadoop.security.SaslRpcServer.SaslGssCallbackHandler (implements javax.security.auth.callback.CallbackHandler)
  - org.apache.hadoop.security.SecurityInfo
    - org.apache.hadoop.security.AnnotatedSecurityInfo
  - org.apache.hadoop.security.SecurityUtil
  - org.apache.hadoop.security.SecurityUtil.QualifiedHostResolver
  - org.apache.hadoop.security.ShellBasedIdMapping (implements org.apache.hadoop.security.IdMappingServiceProvider)
  - java.lang.Throwable (implements java.io.Serializable)
    - java.lang.Exception
      - java.io.IOException
        - org.apache.hadoop.security.AccessControlException
        - org.apache.hadoop.security.KerberosAuthException
      - java.lang.RuntimeException
        - org.apache.hadoop.util.ExitUtil.ExitException (implements org.apache.hadoop.util.ExitCodeProvider)
          - org.apache.hadoop.security.KDiag.KerberosDiagsFailure
  - org.apache.hadoop.security.UserGroupInformation

## Interface Hierarchy

- org.apache.hadoop.security.GroupMappingServiceProvider
- org.apache.hadoop.security.IdMappingServiceProvider

## Enum Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    - org.apache.hadoop.security.Credentials.SerializedFormat
    - org.apache.hadoop.security.SaslRpcServer.AuthMethod
    - org.apache.hadoop.security.SaslRpcServer.QualityOfProtection
    - org.apache.hadoop.security.UserGroupInformation.AuthenticationMethod

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