Serialized Form (Apache Hadoop Common 3.5.0 API)
Description: serialized forms

# Serialized Form

- ## Package org.apache.hadoop

  - ### Exception org.apache.hadoop.HadoopIllegalArgumentException

    class HadoopIllegalArgumentException extends IllegalArgumentException implements Serializable
    serialVersionUID:
      1L

- ## Package org.apache.hadoop.conf

  - ### Class org.apache.hadoop.conf.ConfServlet

    class ConfServlet extends javax.servlet.http.HttpServlet implements Serializable
    serialVersionUID:
      1L

  - ### Exception org.apache.hadoop.conf.ConfServlet.BadFormatException

    class BadFormatException extends Exception implements Serializable
    serialVersionUID:
      1L

  - ### Exception org.apache.hadoop.conf.ReconfigurationException

    class ReconfigurationException extends Exception implements Serializable
    serialVersionUID:
      1L

    - #### Serialized Fields

      - ##### newVal

            String newVal

      - ##### oldVal

            String oldVal

      - ##### property

            String property

  - ### Class org.apache.hadoop.conf.ReconfigurationServlet

    class ReconfigurationServlet extends javax.servlet.http.HttpServlet implements Serializable
    serialVersionUID:
      1L

- ## Package org.apache.hadoop.crypto

  - ### Exception org.apache.hadoop.crypto.UnsupportedCodecException

    class UnsupportedCodecException extends RuntimeException implements Serializable
    serialVersionUID:
      6713920435487942224L

- ## Package org.apache.hadoop.crypto.key

  - ### Class org.apache.hadoop.crypto.key.JavaKeyStoreProvider.KeyMetadata

    class KeyMetadata extends Object implements Serializable
    serialVersionUID:
      8405872419967874451L

    - #### Serialization Methods

      - ##### readObject

        private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException
        Throws:
          `IOException`
          `ClassNotFoundException`

      - ##### writeObject

        private void writeObject(ObjectOutputStream out) throws IOException
        Throws:
          `IOException`

    - #### Serialized Fields

      - ##### metadata

            KeyProvider.Metadata metadata

- ## Package org.apache.hadoop.crypto.random

  - ### Class org.apache.hadoop.crypto.random.OpensslSecureRandom

    class OpensslSecureRandom extends Random implements Serializable
    serialVersionUID:
      -7828193502768789584L

    - #### Serialized Fields

      - ##### fallback

            SecureRandom fallback

        If native SecureRandom unavailable, use java SecureRandom

  - ### Class org.apache.hadoop.crypto.random.OsSecureRandom

    class OsSecureRandom extends Random implements Serializable
    serialVersionUID:
      6391500337172057900L

    - #### Serialized Fields

      - ##### pos

            int pos

      - ##### randomDevPath

            String randomDevPath

      - ##### reservoir

            byte[] reservoir

      - ##### RESERVOIR_LENGTH

            int RESERVOIR_LENGTH

- ## Package org.apache.hadoop.fs

  - ### Class org.apache.hadoop.fs.BBPartHandle

    class BBPartHandle extends Object implements Serializable
    serialVersionUID:
      600719025L

    - #### Serialized Fields

      - ##### bytes

            byte[] bytes

  - ### Class org.apache.hadoop.fs.BBUploadHandle

    class BBUploadHandle extends Object implements Serializable
    serialVersionUID:
      1775587483L

    - #### Serialized Fields

      - ##### bytes

            byte[] bytes

  - ### Class org.apache.hadoop.fs.BlockLocation

    class BlockLocation extends Object implements Serializable
    serialVersionUID:
      580415341L

    - #### Serialized Fields

      - ##### cachedHosts

            String[] cachedHosts

      - ##### corrupt

            boolean corrupt

      - ##### hosts

            String[] hosts

      - ##### length

            long length

      - ##### names

            String[] names

      - ##### offset

            long offset

      - ##### storageIds

            String[] storageIds

      - ##### storageTypes

            StorageType[] storageTypes

      - ##### topologyPaths

            String[] topologyPaths

  - ### Exception org.apache.hadoop.fs.ChecksumException

    class ChecksumException extends IOException implements Serializable
    serialVersionUID:
      1L

    - #### Serialized Fields

      - ##### pos

            long pos

  - ### Exception org.apache.hadoop.fs.ClosedIOException

    class ClosedIOException extends PathIOException implements Serializable

  - ### Exception org.apache.hadoop.fs.ClusterStorageCapacityExceededException

    class ClusterStorageCapacityExceededException extends IOException implements Serializable
    serialVersionUID:
      1L

  - ### Exception org.apache.hadoop.fs.DirectoryListingStartAfterNotFoundException

    class DirectoryListingStartAfterNotFoundException extends IOException implements Serializable
    serialVersionUID:
      1L

  - ### Exception org.apache.hadoop.fs.FileAlreadyExistsException

    class FileAlreadyExistsException extends IOException implements Serializable

  - ### Class org.apache.hadoop.fs.FileEncryptionInfo

    class FileEncryptionInfo extends Object implements Serializable
    serialVersionUID:
      359316995L

    - #### Serialized Fields

      - ##### cipherSuite

            CipherSuite cipherSuite

      - ##### edek

            byte[] edek

      - ##### ezKeyVersionName

            String ezKeyVersionName

      - ##### iv

            byte[] iv

      - ##### keyName

            String keyName

      - ##### version

            CryptoProtocolVersion version

  - ### Class org.apache.hadoop.fs.FileStatus

    class FileStatus extends Object implements Serializable
    serialVersionUID:
      332065512L

    - #### Serialized Fields

      - ##### access_time

            long access_time

      - ##### attr

            Set<FileStatus.AttrFlags> attr

      - ##### block_replication

            short block_replication

      - ##### blocksize

            long blocksize

      - ##### group

            String group

      - ##### isdir

            Boolean isdir

      - ##### length

            long length

      - ##### modification_time

            long modification_time

      - ##### owner

            String owner

      - ##### path

            Path path

      - ##### permission

            FsPermission permission

      - ##### symlink

            Path symlink

  - ### Error org.apache.hadoop.fs.FSError

    class FSError extends Error implements Serializable
    serialVersionUID:
      1L

  - ### Class org.apache.hadoop.fs.FSProtos.FileStatusProto

    class FileStatusProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
    serialVersionUID:
      0L

    - #### Serialized Fields

      - ##### accessTime_

            long accessTime_

      - ##### bitField0_

            int bitField0_

      - ##### blockReplication_

            int blockReplication_

      - ##### blockSize_

            long blockSize_

      - ##### ecData_

            org.apache.hadoop.thirdparty.protobuf.ByteString ecData_

      - ##### encryptionData_

            org.apache.hadoop.thirdparty.protobuf.ByteString encryptionData_

      - ##### fileType_

            int fileType_

      - ##### flags_

            int flags_

      - ##### group_

            Object group_

      - ##### length_

            long length_

      - ##### memoizedIsInitialized

            byte memoizedIsInitialized

      - ##### modificationTime_

            long modificationTime_

      - ##### owner_

            Object owner_

      - ##### path_

            Object path_

      - ##### permission_

            org.apache.hadoop.fs.FSProtos.FsPermissionProto permission_

      - ##### symlink_

            Object symlink_

  - ### Class org.apache.hadoop.fs.FSProtos.FsPermissionProto

    class FsPermissionProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
    serialVersionUID:
      0L

    - #### Serialized Fields

      - ##### bitField0_

            int bitField0_

      - ##### memoizedIsInitialized

            byte memoizedIsInitialized

      - ##### perm_

            int perm_

  - ### Class org.apache.hadoop.fs.FSProtos.LocalFileSystemPathHandleProto

    class LocalFileSystemPathHandleProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
    serialVersionUID:
      0L

    - #### Serialized Fields

      - ##### bitField0_

            int bitField0_

      - ##### memoizedIsInitialized

            byte memoizedIsInitialized

      - ##### mtime_

            long mtime_

      - ##### path_

            Object path_

  - ### Exception org.apache.hadoop.fs.InvalidPathException

    class InvalidPathException extends HadoopIllegalArgumentException implements Serializable
    serialVersionUID:
      1L

  - ### Exception org.apache.hadoop.fs.InvalidPathHandleException

    class InvalidPathHandleException extends IOException implements Serializable
    serialVersionUID:
      3448423209L

  - ### Exception org.apache.hadoop.fs.InvalidRequestException

    class InvalidRequestException extends IOException implements Serializable
    serialVersionUID:
      0L

  - ### Class org.apache.hadoop.fs.LocalFileSystemPathHandle

    class LocalFileSystemPathHandle extends Object implements Serializable

    - #### Serialized Fields

      - ##### mtime

            Long mtime

      - ##### path

            String path

  - ### Class org.apache.hadoop.fs.LocatedFileStatus

    class LocatedFileStatus extends FileStatus implements Serializable
    serialVersionUID:
      389257504L

    - #### Serialized Fields

      - ##### locations

            BlockLocation[] locations

  - ### Exception org.apache.hadoop.fs.ParentNotDirectoryException

    class ParentNotDirectoryException extends IOException implements Serializable
    serialVersionUID:
      1L

  - ### Class org.apache.hadoop.fs.Path

    class Path extends Object implements Serializable
    serialVersionUID:
      708623L

    - #### Serialized Fields

      - ##### uri

            URI uri

  - ### Exception org.apache.hadoop.fs.PathAccessDeniedException

    class PathAccessDeniedException extends PathIOException implements Serializable
    serialVersionUID:
      0L

  - ### Exception org.apache.hadoop.fs.PathExistsException

    class PathExistsException extends PathIOException implements Serializable
    serialVersionUID:
      0L

  - ### Exception org.apache.hadoop.fs.PathIOException

    class PathIOException extends IOException implements Serializable
    serialVersionUID:
      0L

    - #### Serialized Fields

      - ##### fullyQualifiedPath

            String fullyQualifiedPath

      - ##### operation

            String operation

      - ##### path

            String path

      - ##### targetPath

            String targetPath

  - ### Exception org.apache.hadoop.fs.PathIsDirectoryException

    class PathIsDirectoryException extends PathExistsException implements Serializable
    serialVersionUID:
      0L

  - ### Exception org.apache.hadoop.fs.PathIsNotDirectoryException

    class PathIsNotDirectoryException extends PathExistsException implements Serializable
    serialVersionUID:
      0L

  - ### Exception org.apache.hadoop.fs.PathIsNotEmptyDirectoryException

    class PathIsNotEmptyDirectoryException extends PathExistsException implements Serializable

  - ### Exception org.apache.hadoop.fs.PathNotFoundException

    class PathNotFoundException extends PathIOException implements Serializable
    serialVersionUID:
      0L

  - ### Exception org.apache.hadoop.fs.PathOperationException

    class PathOperationException extends PathExistsException implements Serializable
    serialVersionUID:
      0L

  - ### Exception org.apache.hadoop.fs.PathPermissionException

    class PathPermissionException extends PathIOException implements Serializable
    serialVersionUID:
      0L

  - ### Class org.apache.hadoop.fs.RawPathHandle

    class RawPathHandle extends Object implements Serializable
    serialVersionUID:
      1286953538832L

    - #### Serialization Methods

      - ##### readObject

        private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException
        Throws:
          `IOException`
          `ClassNotFoundException`

      - ##### readObjectNoData

        private void readObjectNoData() throws ObjectStreamException
        Throws:
          `ObjectStreamException`

      - ##### writeObject

        private void writeObject(ObjectOutputStream out) throws IOException
        Throws:
          `IOException`

  - ### Exception org.apache.hadoop.fs.UnresolvedLinkException

    class UnresolvedLinkException extends IOException implements Serializable
    serialVersionUID:
      1L

  - ### Exception org.apache.hadoop.fs.UnsupportedFileSystemException

    class UnsupportedFileSystemException extends IOException implements Serializable
    serialVersionUID:
      1L

  - ### Exception org.apache.hadoop.fs.UnsupportedMultipartUploaderException

    class UnsupportedMultipartUploaderException extends IOException implements Serializable
    serialVersionUID:
      1L

  - ### Exception org.apache.hadoop.fs.ZeroCopyUnavailableException

    class ZeroCopyUnavailableException extends IOException implements Serializable
    serialVersionUID:
      0L

- ## Package org.apache.hadoop.fs.ftp

  - ### Exception org.apache.hadoop.fs.ftp.FTPException

    class FTPException extends RuntimeException implements Serializable
    serialVersionUID:
      1L

- ## Package org.apache.hadoop.fs.impl

  - ### Exception org.apache.hadoop.fs.impl.TrackingByteBufferPool.ByteBufferAllocationStacktraceException

    class ByteBufferAllocationStacktraceException extends TrackingByteBufferPool.LeakDetectorHeapByteBufferPoolException implements Serializable

  - ### Exception org.apache.hadoop.fs.impl.TrackingByteBufferPool.LeakDetectorHeapByteBufferPoolException

    class LeakDetectorHeapByteBufferPoolException extends RuntimeException implements Serializable

  - ### Exception org.apache.hadoop.fs.impl.TrackingByteBufferPool.LeakedByteBufferException

    class LeakedByteBufferException extends TrackingByteBufferPool.LeakDetectorHeapByteBufferPoolException implements Serializable

    - #### Serialized Fields

      - ##### count

            int count

  - ### Exception org.apache.hadoop.fs.impl.TrackingByteBufferPool.ReleasingUnallocatedByteBufferException

    class ReleasingUnallocatedByteBufferException extends TrackingByteBufferPool.LeakDetectorHeapByteBufferPoolException implements Serializable

  - ### Exception org.apache.hadoop.fs.impl.WrappedIOException

    class WrappedIOException extends UncheckedIOException implements Serializable
    serialVersionUID:
      2510210974235779294L

- ## Package org.apache.hadoop.fs.permission

  - ### Class org.apache.hadoop.fs.permission.FsCreateModes

    class FsCreateModes extends FsPermission implements Serializable
    serialVersionUID:
      580415341L

    - #### Serialized Fields

      - ##### unmasked

            FsPermission unmasked

  - ### Class org.apache.hadoop.fs.permission.FsPermission

    class FsPermission extends Object implements Serializable
    serialVersionUID:
      803243364L

    - #### Serialized Fields

      - ##### groupaction

            FsAction groupaction

      - ##### otheraction

            FsAction otheraction

      - ##### stickyBit

            Boolean stickyBit

      - ##### useraction

            FsAction useraction

- ## Package org.apache.hadoop.fs.shell

  - ### Exception org.apache.hadoop.fs.shell.CommandFormat.DuplicatedOptionException

    class DuplicatedOptionException extends IllegalArgumentException implements Serializable
    serialVersionUID:
      0L

  - ### Exception org.apache.hadoop.fs.shell.CommandFormat.IllegalNumberOfArgumentsException

    class IllegalNumberOfArgumentsException extends IllegalArgumentException implements Serializable
    serialVersionUID:
      0L

    - #### Serialized Fields

      - ##### actual

            int actual

      - ##### expected

            int expected

  - ### Exception org.apache.hadoop.fs.shell.CommandFormat.NotEnoughArgumentsException

    class NotEnoughArgumentsException extends CommandFormat.IllegalNumberOfArgumentsException implements Serializable
    serialVersionUID:
      0L

  - ### Exception org.apache.hadoop.fs.shell.CommandFormat.TooManyArgumentsException

    class TooManyArgumentsException extends CommandFormat.IllegalNumberOfArgumentsException implements Serializable
    serialVersionUID:
      0L

  - ### Exception org.apache.hadoop.fs.shell.CommandFormat.UnknownOptionException

    class UnknownOptionException extends IllegalArgumentException implements Serializable
    serialVersionUID:
      0L

    - #### Serialized Fields

      - ##### option

            String option

- ## Package org.apache.hadoop.fs.statistics

  - ### Class org.apache.hadoop.fs.statistics.DurationStatisticSummary

    class DurationStatisticSummary extends Object implements Serializable
    serialVersionUID:
      6776381340896518486L

    - #### Serialized Fields

      - ##### count

            long count

        Count of operation invocations.

      - ##### key

            String key

        Statistic key.

      - ##### max

            long max

        Max duration; -1 if unknown.

      - ##### mean

            MeanStatistic mean

        Mean duration -may be null.

      - ##### min

            long min

        Min duration; -1 if unknown.

      - ##### success

            boolean success

        Are these success or failure statistics.

  - ### Class org.apache.hadoop.fs.statistics.IOStatisticsSnapshot

    class IOStatisticsSnapshot extends Object implements Serializable
    serialVersionUID:
      -1762522703841538084L

    - #### Serialization Methods

      - ##### readObject

        private void readObject(ObjectInputStream s) throws IOException, ClassNotFoundException
        Deserialize by loading each TreeMap, and building concurrent hash maps from them.
        Parameters:
          `s` - ObjectInputStream.
        Throws:
          `IOException` - raised on errors performing I/O.
          `ClassNotFoundException` - class not found exception

      - ##### writeObject

        private void writeObject(ObjectOutputStream s) throws IOException
        Serialize by converting each map to a TreeMap, and saving that to the stream.
        Parameters:
          `s` - ObjectOutputStream.
        Throws:
          `IOException` - raised on errors performing I/O.

  - ### Class org.apache.hadoop.fs.statistics.MeanStatistic

    class MeanStatistic extends Object implements Serializable
    serialVersionUID:
      567888327998615425L

    - #### Serialized Fields

      - ##### samples

            long samples

        Number of samples used to calculate the mean.

      - ##### sum

            long sum

        sum of the values.

- ## Package org.apache.hadoop.fs.viewfs

  - ### Exception org.apache.hadoop.fs.viewfs.NotInMountpointException

    class NotInMountpointException extends UnsupportedOperationException implements Serializable

    - #### Serialized Fields

      - ##### msg

            String msg

- ## Package org.apache.hadoop.ha

  - ### Exception org.apache.hadoop.ha.ActiveStandbyElector.ActiveNotFoundException

    class ActiveNotFoundException extends Exception implements Serializable
    serialVersionUID:
      3505396722342846462L

  - ### Exception org.apache.hadoop.ha.BadFencingConfigurationException

    class BadFencingConfigurationException extends IOException implements Serializable
    serialVersionUID:
      1L

  - ### Exception org.apache.hadoop.ha.FailoverFailedException

    class FailoverFailedException extends Exception implements Serializable
    serialVersionUID:
      1L

  - ### Exception org.apache.hadoop.ha.HealthCheckFailedException

    class HealthCheckFailedException extends IOException implements Serializable
    serialVersionUID:
      1L

  - ### Exception org.apache.hadoop.ha.ServiceFailedException

    class ServiceFailedException extends IOException implements Serializable
    serialVersionUID:
      1L

- ## Package org.apache.hadoop.http

  - ### Class org.apache.hadoop.http.AdminAuthorizedServlet

    class AdminAuthorizedServlet extends org.eclipse.jetty.servlet.DefaultServlet implements Serializable
    serialVersionUID:
      1L

  - ### Class org.apache.hadoop.http.HttpServer2.StackServlet

    class StackServlet extends javax.servlet.http.HttpServlet implements Serializable
    serialVersionUID:
      -6284183679759467039L

  - ### Class org.apache.hadoop.http.IsActiveServlet

    class IsActiveServlet extends javax.servlet.http.HttpServlet implements Serializable
    serialVersionUID:
      1L

  - ### Class org.apache.hadoop.http.ProfileOutputServlet

    class ProfileOutputServlet extends org.eclipse.jetty.servlet.DefaultServlet implements Serializable
    serialVersionUID:
      1L

  - ### Class org.apache.hadoop.http.ProfilerDisabledServlet

    class ProfilerDisabledServlet extends javax.servlet.http.HttpServlet implements Serializable

  - ### Class org.apache.hadoop.http.ProfileServlet

    class ProfileServlet extends javax.servlet.http.HttpServlet implements Serializable
    serialVersionUID:
      1L

    - #### Serialized Fields

      - ##### asyncProfilerHome

            String asyncProfilerHome

      - ##### pid

            Integer pid

      - ##### profilerLock

            Lock profilerLock

  - ### Class org.apache.hadoop.http.PrometheusServlet

    class PrometheusServlet extends javax.servlet.http.HttpServlet implements Serializable

  - ### Class org.apache.hadoop.http.WebServlet

    class WebServlet extends org.eclipse.jetty.servlet.DefaultServlet implements Serializable
    serialVersionUID:
      3910031415927L

- ## Package org.apache.hadoop.io

  - ### Exception org.apache.hadoop.io.MultipleIOException

    class MultipleIOException extends IOException implements Serializable
    serialVersionUID:
      1L

    - #### Serialized Fields

      - ##### exceptions

            List<IOException> exceptions

  - ### Exception org.apache.hadoop.io.SecureIOUtils.AlreadyExistsException

    class AlreadyExistsException extends IOException implements Serializable
    serialVersionUID:
      1L

  - ### Exception org.apache.hadoop.io.VersionMismatchException

    class VersionMismatchException extends IOException implements Serializable

    - #### Serialized Fields

      - ##### expectedVersion

            byte expectedVersion

      - ##### foundVersion

            byte foundVersion

- ## Package org.apache.hadoop.io.compress

  - ### Exception org.apache.hadoop.io.compress.AlreadyClosedException

    class AlreadyClosedException extends IOException implements Serializable

- ## Package org.apache.hadoop.io.erasurecode

  - ### Class org.apache.hadoop.io.erasurecode.ECSchema

    class ECSchema extends Object implements Serializable
    serialVersionUID:
      278215328L

    - #### Serialized Fields

      - ##### codecName

            String codecName

        The erasure codec name associated.

      - ##### extraOptions

            Map<String,String> extraOptions

      - ##### numDataUnits

            int numDataUnits

        Number of source data units coded

      - ##### numParityUnits

            int numParityUnits

        Number of parity units generated in a coding

- ## Package org.apache.hadoop.io.erasurecode.rawcoder

  - ### Exception org.apache.hadoop.io.erasurecode.rawcoder.InvalidDecodingException

    class InvalidDecodingException extends IOException implements Serializable
    serialVersionUID:
      0L

- ## Package org.apache.hadoop.io.file.tfile

  - ### Class org.apache.hadoop.io.file.tfile.CompareUtils.MemcmpRawComparator

    class MemcmpRawComparator extends Object implements Serializable

  - ### Class org.apache.hadoop.io.file.tfile.CompareUtils.ScalarComparator

    class ScalarComparator extends Object implements Serializable

  - ### Exception org.apache.hadoop.io.file.tfile.MetaBlockAlreadyExists

    class MetaBlockAlreadyExists extends IOException implements Serializable

  - ### Exception org.apache.hadoop.io.file.tfile.MetaBlockDoesNotExist

    class MetaBlockDoesNotExist extends IOException implements Serializable

- ## Package org.apache.hadoop.io.nativeio

  - ### Exception org.apache.hadoop.io.nativeio.NativeIOException

    class NativeIOException extends IOException implements Serializable
    serialVersionUID:
      1L

    - #### Serialized Fields

      - ##### errno

            Errno errno

      - ##### errorCode

            int errorCode

- ## Package org.apache.hadoop.io.retry

  - ### Exception org.apache.hadoop.io.retry.MultiException

    class MultiException extends IOException implements Serializable

    - #### Serialized Fields

      - ##### exes

            Map<String,Exception> exes

- ## Package org.apache.hadoop.ipc

  - ### Exception org.apache.hadoop.ipc.AsyncCallLimitExceededException

    class AsyncCallLimitExceededException extends IOException implements Serializable
    serialVersionUID:
      1L

  - ### Exception org.apache.hadoop.ipc.IpcException

    class IpcException extends IOException implements Serializable
    serialVersionUID:
      1L

  - ### Exception org.apache.hadoop.ipc.ObserverRetryOnActiveException

    class ObserverRetryOnActiveException extends StandbyException implements Serializable
    serialVersionUID:
      1L

  - ### Exception org.apache.hadoop.ipc.RemoteException

    class RemoteException extends IOException implements Serializable
    serialVersionUID:
      1L

    - #### Serialized Fields

      - ##### className

            String className

      - ##### errorCode

            int errorCode

  - ### Exception org.apache.hadoop.ipc.RetriableException

    class RetriableException extends IOException implements Serializable
    serialVersionUID:
      1915561725516487301L

  - ### Exception org.apache.hadoop.ipc.RPC.VersionMismatch

    class VersionMismatch extends RpcServerException implements Serializable
    serialVersionUID:
      0L

    - #### Serialized Fields

      - ##### clientVersion

            long clientVersion

      - ##### interfaceName

            String interfaceName

      - ##### serverVersion

            long serverVersion

  - ### Exception org.apache.hadoop.ipc.RpcClientException

    class RpcClientException extends RpcException implements Serializable
    serialVersionUID:
      1L

  - ### Exception org.apache.hadoop.ipc.RpcException

    class RpcException extends IOException implements Serializable
    serialVersionUID:
      1L

  - ### Exception org.apache.hadoop.ipc.RpcNoSuchMethodException

    class RpcNoSuchMethodException extends RpcServerException implements Serializable
    serialVersionUID:
      1L

  - ### Exception org.apache.hadoop.ipc.RpcNoSuchProtocolException

    class RpcNoSuchProtocolException extends RpcServerException implements Serializable
    serialVersionUID:
      1L

  - ### Exception org.apache.hadoop.ipc.RpcServerException

    class RpcServerException extends RpcException implements Serializable
    serialVersionUID:
      1L

  - ### Exception org.apache.hadoop.ipc.StandbyException

    class StandbyException extends IOException implements Serializable
    serialVersionUID:
      78123814928L

  - ### Exception org.apache.hadoop.ipc.UnexpectedServerException

    class UnexpectedServerException extends RpcException implements Serializable
    serialVersionUID:
      1L

- ## Package org.apache.hadoop.jmx

  - ### Class org.apache.hadoop.jmx.JMXJsonServlet

    class JMXJsonServlet extends javax.servlet.http.HttpServlet implements Serializable
    serialVersionUID:
      1L

    - #### Serialization Methods

      - ##### writeObject

        private void writeObject(com.fasterxml.jackson.core.JsonGenerator jg, Object value, String attName) throws IOException
        Throws:
          `IOException`

  - ### Class org.apache.hadoop.jmx.JMXJsonServletNaNFiltered

    class JMXJsonServletNaNFiltered extends JMXJsonServlet implements Serializable

- ## Package org.apache.hadoop.log

  - ### Class org.apache.hadoop.log.LogLevel.Servlet

    class Servlet extends javax.servlet.http.HttpServlet implements Serializable
    serialVersionUID:
      1L

- ## Package org.apache.hadoop.metrics2

  - ### Exception org.apache.hadoop.metrics2.MetricsException

    class MetricsException extends RuntimeException implements Serializable
    serialVersionUID:
      1L

- ## Package org.apache.hadoop.metrics2.util

  - ### Class org.apache.hadoop.metrics2.util.Metrics2Util.TopN

    class TopN extends PriorityQueue<Metrics2Util.NameValuePair> implements Serializable
    serialVersionUID:
      5134028249611535803L

    - #### Serialized Fields

      - ##### n

            int n

      - ##### total

            long total

- ## Package org.apache.hadoop.net

  - ### Exception org.apache.hadoop.net.ConnectTimeoutException

    class ConnectTimeoutException extends SocketTimeoutException implements Serializable
    serialVersionUID:
      1L

  - ### Exception org.apache.hadoop.net.NetworkTopology.InvalidTopologyException

    class InvalidTopologyException extends RuntimeException implements Serializable
    serialVersionUID:
      1L

- ## Package org.apache.hadoop.security

  - ### Exception org.apache.hadoop.security.AccessControlException

    class AccessControlException extends IOException implements Serializable
    serialVersionUID:
      1L

  - ### Exception org.apache.hadoop.security.KDiag.KerberosDiagsFailure

    class KerberosDiagsFailure extends ExitUtil.ExitException implements Serializable

    - #### Serialized Fields

      - ##### category

            String category

  - ### Exception org.apache.hadoop.security.KerberosAuthException

    class KerberosAuthException extends IOException implements Serializable
    serialVersionUID:
      31L

    - #### Serialized Fields

      - ##### initialMessage

            String initialMessage

      - ##### keytabFile

            String keytabFile

      - ##### principal

            String principal

      - ##### ticketCacheFile

            String ticketCacheFile

      - ##### user

            String user

  - ### Class org.apache.hadoop.security.SaslPlainServer.SecurityProvider

    class SecurityProvider extends Provider implements Serializable

- ## Package org.apache.hadoop.security.authorize

  - ### Exception org.apache.hadoop.security.authorize.AuthorizationException

    class AuthorizationException extends AccessControlException implements Serializable
    serialVersionUID:
      1L

- ## Package org.apache.hadoop.security.token

  - ### Exception org.apache.hadoop.security.token.SecretManager.InvalidToken

    class InvalidToken extends IOException implements Serializable

- ## Package org.apache.hadoop.service

  - ### Class org.apache.hadoop.service.LifecycleEvent

    class LifecycleEvent extends Object implements Serializable
    serialVersionUID:
      1648576996238247836L

    - #### Serialized Fields

      - ##### state

            Service.STATE state

        new state

      - ##### time

            long time

        Local time in milliseconds when the event occurred

  - ### Exception org.apache.hadoop.service.ServiceStateException

    class ServiceStateException extends RuntimeException implements Serializable
    serialVersionUID:
      1110000352259232646L

    - #### Serialized Fields

      - ##### exitCode

            int exitCode

        Exit code.

- ## Package org.apache.hadoop.service.launcher

  - ### Exception org.apache.hadoop.service.launcher.ServiceLaunchException

    class ServiceLaunchException extends ExitUtil.ExitException implements Serializable

- ## Package org.apache.hadoop.util

  - ### Exception org.apache.hadoop.util.DiskChecker.DiskErrorException

    class DiskErrorException extends IOException implements Serializable

  - ### Exception org.apache.hadoop.util.DiskChecker.DiskOutOfSpaceException

    class DiskOutOfSpaceException extends IOException implements Serializable

  - ### Exception org.apache.hadoop.util.ExitUtil.ExitException

    class ExitException extends RuntimeException implements Serializable
    serialVersionUID:
      1L

    - #### Serialized Fields

      - ##### status

            int status

        The status code.

  - ### Exception org.apache.hadoop.util.ExitUtil.HaltException

    class HaltException extends RuntimeException implements Serializable
    serialVersionUID:
      1L

    - #### Serialized Fields

      - ##### status

            int status

  - ### Exception org.apache.hadoop.util.InvalidChecksumSizeException

    class InvalidChecksumSizeException extends IOException implements Serializable
    serialVersionUID:
      1L

  - ### Exception org.apache.hadoop.util.Shell.ExitCodeException

    class ExitCodeException extends IOException implements Serializable

    - #### Serialized Fields

      - ##### exitCode

            int exitCode

  - ### Exception org.apache.hadoop.util.ZKUtil.BadAclFormatException

    class BadAclFormatException extends HadoopIllegalArgumentException implements Serializable
    serialVersionUID:
      1L

  - ### Exception org.apache.hadoop.util.ZKUtil.BadAuthFormatException

    class BadAuthFormatException extends HadoopIllegalArgumentException implements Serializable
    serialVersionUID:
      1L