Serialized Form (Apache Hadoop HDFS 3.4.1.0-eep-940 API)

Package org.apache.hadoop.hdfs
- Class org.apache.hadoop.hdfs.BlockMissingException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - filename
```
java.lang.String filename
```
    - offset
```
long offset
```
- Class org.apache.hadoop.hdfs.CannotObtainBlockLengthException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.UnknownCipherSuiteException extends java.io.IOException implements Serializable
- Class org.apache.hadoop.hdfs.UnknownCryptoProtocolVersionException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  8957192L
Package org.apache.hadoop.hdfs.protocol
- Class org.apache.hadoop.hdfs.protocol.AclException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.protocol.AlreadyBeingCreatedException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  78123814921L
- Class org.apache.hadoop.hdfs.protocol.DSQuotaExceededException extends org.apache.hadoop.hdfs.protocol.QuotaExceededException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  7994958L
  - Serialized Fields
    - cellSize
```
int cellSize
```
    - id
```
byte id
```
    - name
```
java.lang.String name
```
    - schema
```
org.apache.hadoop.io.erasurecode.ECSchema schema
```
- Class org.apache.hadoop.hdfs.protocol.ErasureCodingPolicyInfo extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  49L
  - Serialized Fields
    - policy
```
org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy policy
```
    - state
```
org.apache.hadoop.hdfs.protocol.ErasureCodingPolicyState state
```
- Class org.apache.hadoop.hdfs.protocol.FSLimitException extends org.apache.hadoop.hdfs.protocol.QuotaExceededException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.protocol.FSLimitException.MaxDirectoryItemsExceededException extends FSLimitException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.protocol.FSLimitException.PathComponentTooLongException extends FSLimitException implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - childName
```
java.lang.String childName
```
- Class org.apache.hadoop.hdfs.protocol.FsPermissionExtension extends org.apache.hadoop.fs.permission.FsPermission implements Serializable
  
  serialVersionUID:
  
  331520164L
  - Serialized Fields
    - aclBit
```
boolean aclBit
```
      Deprecated.
    - encryptedBit
```
boolean encryptedBit
```
      Deprecated.
    - erasureCodedBit
```
boolean erasureCodedBit
```
      Deprecated.
- Class org.apache.hadoop.hdfs.protocol.HdfsLocatedFileStatus extends org.apache.hadoop.fs.LocatedFileStatus implements Serializable
  
  serialVersionUID:
  
  309245994L
  - Serialized Fields
    - childrenNum
```
int childrenNum
```
    - ecPolicy
```
org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy ecPolicy
```
    - feInfo
```
org.apache.hadoop.fs.FileEncryptionInfo feInfo
```
    - fileId
```
long fileId
```
    - namespace
```
java.lang.String namespace
```
    - storagePolicy
```
byte storagePolicy
```
    - uPath
```
byte[] uPath
```
    - uSymlink
```
byte[] uSymlink
```
- Class org.apache.hadoop.hdfs.protocol.HdfsNamedFileStatus extends org.apache.hadoop.fs.FileStatus implements Serializable
  - Serialized Fields
    - childrenNum
```
int childrenNum
```
    - ecPolicy
```
org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy ecPolicy
```
    - feInfo
```
org.apache.hadoop.fs.FileEncryptionInfo feInfo
```
    - fileId
```
long fileId
```
    - namespace
```
java.lang.String namespace
```
    - storagePolicy
```
byte storagePolicy
```
    - uPath
```
byte[] uPath
```
    - uSymlink
```
byte[] uSymlink
```
- Class org.apache.hadoop.hdfs.protocol.HdfsPathHandle extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  13550764053544L
  - Serialized Fields
    - inodeId
```
java.lang.Long inodeId
```
    - mtime
```
java.lang.Long mtime
```
    - path
```
java.lang.String path
```
- Class org.apache.hadoop.hdfs.protocol.NoECPolicySetException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.protocol.NSQuotaExceededException extends org.apache.hadoop.hdfs.protocol.QuotaExceededException implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - prefix
```
java.lang.String prefix
```
- Class org.apache.hadoop.hdfs.protocol.QuotaByStorageTypeExceededException extends org.apache.hadoop.hdfs.protocol.QuotaExceededException implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - type
```
org.apache.hadoop.fs.StorageType type
```
- Class org.apache.hadoop.hdfs.protocol.QuotaExceededException extends org.apache.hadoop.fs.ClusterStorageCapacityExceededException implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - count
```
long count
```
    - pathName
```
java.lang.String pathName
```
    - quota
```
long quota
```
- Class org.apache.hadoop.hdfs.protocol.RecoveryInProgressException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.protocol.RollingUpgradeException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.protocol.SnapshotAccessControlException extends org.apache.hadoop.security.AccessControlException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.protocol.SnapshotException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.protocol.UnregisteredNodeException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  -5620209396945970810L
- Class org.apache.hadoop.hdfs.protocol.UnresolvedPathException extends org.apache.hadoop.fs.UnresolvedLinkException implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - linkTarget
```
java.lang.String linkTarget
```
    - path
```
java.lang.String path
```
    - preceding
```
java.lang.String preceding
```
    - remainder
```
java.lang.String remainder
```
- Class org.apache.hadoop.hdfs.protocol.XAttrNotFoundException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  -6506239904158794057L
Package org.apache.hadoop.hdfs.protocol.datatransfer
- Class org.apache.hadoop.hdfs.protocol.datatransfer.BlockPinningException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.protocol.datatransfer.InvalidEncryptionKeyException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  0L
Package org.apache.hadoop.hdfs.protocol.datatransfer.sasl
- Class org.apache.hadoop.hdfs.protocol.datatransfer.sasl.InvalidMagicNumberException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - handshake4Encryption
```
boolean handshake4Encryption
```
Package org.apache.hadoop.hdfs.qjournal.protocol
- Class org.apache.hadoop.hdfs.qjournal.protocol.JournalNotFormattedException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.qjournal.protocol.JournalOutOfSyncException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.AcceptRecoveryRequestProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - fromURL_
```
java.lang.Object fromURL_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - reqInfo_
```
QJournalProtocolProtos.RequestInfoProto reqInfo_
```
    - stateToAccept_
```
QJournalProtocolProtos.SegmentStateProto stateToAccept_
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.AcceptRecoveryResponseProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.CanRollBackRequestProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - jid_
```
QJournalProtocolProtos.JournalIdProto jid_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - nameServiceId_
```
java.lang.Object nameServiceId_
```
    - prevStorage_
```
org.apache.hadoop.hdfs.protocol.proto.HdfsServerProtos.StorageInfoProto prevStorage_
```
    - storage_
```
org.apache.hadoop.hdfs.protocol.proto.HdfsServerProtos.StorageInfoProto storage_
```
    - targetLayoutVersion_
```
int targetLayoutVersion_
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.CanRollBackResponseProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - canRollBack_
```
boolean canRollBack_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.DiscardSegmentsRequestProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - jid_
```
QJournalProtocolProtos.JournalIdProto jid_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - nameServiceId_
```
java.lang.Object nameServiceId_
```
    - startTxId_
```
long startTxId_
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.DiscardSegmentsResponseProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.DoFinalizeRequestProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - jid_
```
QJournalProtocolProtos.JournalIdProto jid_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - nameServiceId_
```
java.lang.Object nameServiceId_
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.DoFinalizeResponseProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.DoPreUpgradeRequestProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - jid_
```
QJournalProtocolProtos.JournalIdProto jid_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.DoPreUpgradeResponseProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.DoRollbackRequestProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - jid_
```
QJournalProtocolProtos.JournalIdProto jid_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - nameserviceId_
```
java.lang.Object nameserviceId_
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.DoRollbackResponseProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.DoUpgradeRequestProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - jid_
```
QJournalProtocolProtos.JournalIdProto jid_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - sInfo_
```
org.apache.hadoop.hdfs.protocol.proto.HdfsServerProtos.StorageInfoProto sInfo_
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.DoUpgradeResponseProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.FinalizeLogSegmentRequestProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - endTxId_
```
long endTxId_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - reqInfo_
```
QJournalProtocolProtos.RequestInfoProto reqInfo_
```
    - startTxId_
```
long startTxId_
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.FinalizeLogSegmentResponseProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.FormatRequestProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - force_
```
boolean force_
```
    - jid_
```
QJournalProtocolProtos.JournalIdProto jid_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - nameServiceId_
```
java.lang.Object nameServiceId_
```
    - nsInfo_
```
org.apache.hadoop.hdfs.protocol.proto.HdfsServerProtos.NamespaceInfoProto nsInfo_
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.FormatResponseProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.GetEditLogManifestRequestProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - inProgressOk_
```
boolean inProgressOk_
```
    - jid_
```
QJournalProtocolProtos.JournalIdProto jid_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - nameServiceId_
```
java.lang.Object nameServiceId_
```
    - sinceTxId_
```
long sinceTxId_
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.GetEditLogManifestResponseProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - fromURL_
```
java.lang.Object fromURL_
```
    - httpPort_
```
int httpPort_
```
    - manifest_
```
org.apache.hadoop.hdfs.protocol.proto.HdfsServerProtos.RemoteEditLogManifestProto manifest_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.GetJournalCTimeRequestProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - jid_
```
QJournalProtocolProtos.JournalIdProto jid_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - nameServiceId_
```
java.lang.Object nameServiceId_
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.GetJournalCTimeResponseProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - resultCTime_
```
long resultCTime_
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.GetJournaledEditsRequestProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - jid_
```
QJournalProtocolProtos.JournalIdProto jid_
```
    - maxTxns_
```
int maxTxns_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - nameServiceId_
```
java.lang.Object nameServiceId_
```
    - sinceTxId_
```
long sinceTxId_
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.GetJournaledEditsResponseProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - editLog_
```
org.apache.hadoop.thirdparty.protobuf.ByteString editLog_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - txnCount_
```
int txnCount_
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.GetJournalStateRequestProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - jid_
```
QJournalProtocolProtos.JournalIdProto jid_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - nameServiceId_
```
java.lang.Object nameServiceId_
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.GetJournalStateResponseProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - fromURL_
```
java.lang.Object fromURL_
```
    - httpPort_
```
int httpPort_
```
    - lastPromisedEpoch_
```
long lastPromisedEpoch_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.HeartbeatRequestProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - reqInfo_
```
QJournalProtocolProtos.RequestInfoProto reqInfo_
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.HeartbeatResponseProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.IsFormattedRequestProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - jid_
```
QJournalProtocolProtos.JournalIdProto jid_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - nameServiceId_
```
java.lang.Object nameServiceId_
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.IsFormattedResponseProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - isFormatted_
```
boolean isFormatted_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.JournalIdProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - identifier_
```
java.lang.Object identifier_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.JournalRequestProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - firstTxnId_
```
long firstTxnId_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - nameServiceId_
```
java.lang.Object nameServiceId_
```
    - numTxns_
```
int numTxns_
```
    - records_
```
org.apache.hadoop.thirdparty.protobuf.ByteString records_
```
    - reqInfo_
```
QJournalProtocolProtos.RequestInfoProto reqInfo_
```
    - segmentTxnId_
```
long segmentTxnId_
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.JournalResponseProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.NewEpochRequestProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - epoch_
```
long epoch_
```
    - jid_
```
QJournalProtocolProtos.JournalIdProto jid_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - nameServiceId_
```
java.lang.Object nameServiceId_
```
    - nsInfo_
```
org.apache.hadoop.hdfs.protocol.proto.HdfsServerProtos.NamespaceInfoProto nsInfo_
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.NewEpochResponseProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - lastSegmentTxId_
```
long lastSegmentTxId_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.PersistedRecoveryPaxosData extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - acceptedInEpoch_
```
long acceptedInEpoch_
```
    - bitField0_
```
int bitField0_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - segmentState_
```
QJournalProtocolProtos.SegmentStateProto segmentState_
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.PrepareRecoveryRequestProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - reqInfo_
```
QJournalProtocolProtos.RequestInfoProto reqInfo_
```
    - segmentTxId_
```
long segmentTxId_
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.PrepareRecoveryResponseProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - acceptedInEpoch_
```
long acceptedInEpoch_
```
    - bitField0_
```
int bitField0_
```
    - lastCommittedTxId_
```
long lastCommittedTxId_
```
    - lastWriterEpoch_
```
long lastWriterEpoch_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - segmentState_
```
QJournalProtocolProtos.SegmentStateProto segmentState_
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.PurgeLogsRequestProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - minTxIdToKeep_
```
long minTxIdToKeep_
```
    - reqInfo_
```
QJournalProtocolProtos.RequestInfoProto reqInfo_
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.PurgeLogsResponseProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.RequestInfoProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - committedTxId_
```
long committedTxId_
```
    - epoch_
```
long epoch_
```
    - ipcSerialNumber_
```
long ipcSerialNumber_
```
    - journalId_
```
QJournalProtocolProtos.JournalIdProto journalId_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - nameServiceId_
```
java.lang.Object nameServiceId_
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.SegmentStateProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - endTxId_
```
long endTxId_
```
    - isInProgress_
```
boolean isInProgress_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - startTxId_
```
long startTxId_
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.StartLogSegmentRequestProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - layoutVersion_
```
int layoutVersion_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - reqInfo_
```
QJournalProtocolProtos.RequestInfoProto reqInfo_
```
    - txid_
```
long txid_
```
- Class org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.StartLogSegmentResponseProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
Package org.apache.hadoop.hdfs.qjournal.server
- Class org.apache.hadoop.hdfs.qjournal.server.GetJournalEditServlet extends DfsServlet implements Serializable
  
  serialVersionUID:
  
  -4635891628211723009L
- Class org.apache.hadoop.hdfs.qjournal.server.NewerTxnIdException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  0L
Package org.apache.hadoop.hdfs.security.token.block
- Class org.apache.hadoop.hdfs.security.token.block.InvalidBlockTokenException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  168L
Package org.apache.hadoop.hdfs.server.blockmanagement
- Class org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicy.NotEnoughReplicasException extends java.lang.Exception implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.server.blockmanagement.OutOfLegacyGenerationStampsException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.server.blockmanagement.UnresolvedTopologyException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
Package org.apache.hadoop.hdfs.server.common
- Class org.apache.hadoop.hdfs.server.common.HttpGetFailedException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - responseCode
```
int responseCode
```
- Class org.apache.hadoop.hdfs.server.common.HttpPutFailedException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - responseCode
```
int responseCode
```
- Class org.apache.hadoop.hdfs.server.common.InconsistentFSStateException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.server.common.IncorrectVersionException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
Package org.apache.hadoop.hdfs.server.datanode
- Class org.apache.hadoop.hdfs.server.datanode.BlockScanner.Servlet extends javax.servlet.http.HttpServlet implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.server.datanode.BPServiceActorActionException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.server.datanode.CorruptMetaHeaderException extends java.io.IOException implements Serializable
- Class org.apache.hadoop.hdfs.server.datanode.DataNode.ShortCircuitFdsUnsupportedException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.server.datanode.DataNode.ShortCircuitFdsVersionException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.server.datanode.DiskFileCorruptException extends java.io.IOException implements Serializable
- Class org.apache.hadoop.hdfs.server.datanode.ReplicaAlreadyExistsException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.server.datanode.ReplicaNotFoundException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.server.datanode.UnexpectedReplicaStateException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
Package org.apache.hadoop.hdfs.server.datanode.fsdataset.impl
- Class org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.AddBlockPoolException extends java.lang.RuntimeException implements Serializable
  - Serialized Fields
    - unhealthyDataDirs
```
java.util.Map<FsVolumeSpi,java.io.IOException> unhealthyDataDirs
```
Package org.apache.hadoop.hdfs.server.diskbalancer
- Class org.apache.hadoop.hdfs.server.diskbalancer.DiskBalancerException extends java.io.IOException implements Serializable
  - Serialized Fields
    - result
```
DiskBalancerException.Result result
```
Package org.apache.hadoop.hdfs.server.namenode
- Class org.apache.hadoop.hdfs.server.namenode.DfsServlet extends javax.servlet.http.HttpServlet implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.server.namenode.EditLogInputException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - numEditsLoaded
```
long numEditsLoaded
```
- Class org.apache.hadoop.hdfs.server.namenode.FsckServlet extends DfsServlet implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.CacheManagerSection extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - nextDirectiveId_
```
long nextDirectiveId_
```
    - numDirectives_
```
int numDirectives_
```
    - numPools_
```
int numPools_
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.ErasureCodingSection extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - policies_
```
java.util.List<org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.ErasureCodingPolicyProto> policies_
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.FileSummary extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - codec_
```
java.lang.Object codec_
```
    - layoutVersion_
```
int layoutVersion_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - ondiskVersion_
```
int ondiskVersion_
```
    - sections_
```
java.util.List<FsImageProto.FileSummary.Section> sections_
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.FileSummary.Section extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - length_
```
long length_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - name_
```
java.lang.Object name_
```
    - offset_
```
long offset_
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.FilesUnderConstructionSection extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.FilesUnderConstructionSection.FileUnderConstructionEntry extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - fullPath_
```
java.lang.Object fullPath_
```
    - inodeId_
```
long inodeId_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeDirectorySection extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeDirectorySection.DirEntry extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - children_
```
org.apache.hadoop.thirdparty.protobuf.Internal.LongList children_
```
    - childrenMemoizedSerializedSize
```
int childrenMemoizedSerializedSize
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - parent_
```
long parent_
```
    - refChildren_
```
org.apache.hadoop.thirdparty.protobuf.Internal.IntList refChildren_
```
    - refChildrenMemoizedSerializedSize
```
int refChildrenMemoizedSerializedSize
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeReferenceSection extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeReferenceSection.INodeReference extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - dstSnapshotId_
```
int dstSnapshotId_
```
    - lastSnapshotId_
```
int lastSnapshotId_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - name_
```
org.apache.hadoop.thirdparty.protobuf.ByteString name_
```
    - referredId_
```
long referredId_
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeSection extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - lastInodeId_
```
long lastInodeId_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - numInodes_
```
long numInodes_
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeSection.AclFeatureProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - entries_
```
org.apache.hadoop.thirdparty.protobuf.Internal.IntList entries_
```
    - entriesMemoizedSerializedSize
```
int entriesMemoizedSerializedSize
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeSection.FileUnderConstructionFeature extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - clientMachine_
```
java.lang.Object clientMachine_
```
    - clientName_
```
java.lang.Object clientName_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeSection.INode extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - directory_
```
FsImageProto.INodeSection.INodeDirectory directory_
```
    - file_
```
FsImageProto.INodeSection.INodeFile file_
```
    - id_
```
long id_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - name_
```
org.apache.hadoop.thirdparty.protobuf.ByteString name_
```
    - symlink_
```
FsImageProto.INodeSection.INodeSymlink symlink_
```
    - type_
```
int type_
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeSection.INodeDirectory extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - acl_
```
FsImageProto.INodeSection.AclFeatureProto acl_
```
    - bitField0_
```
int bitField0_
```
    - dsQuota_
```
long dsQuota_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - modificationTime_
```
long modificationTime_
```
    - nsQuota_
```
long nsQuota_
```
    - permission_
```
long permission_
```
    - typeQuotas_
```
FsImageProto.INodeSection.QuotaByStorageTypeFeatureProto typeQuotas_
```
    - xAttrs_
```
FsImageProto.INodeSection.XAttrFeatureProto xAttrs_
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeSection.INodeFile extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - accessTime_
```
long accessTime_
```
    - acl_
```
FsImageProto.INodeSection.AclFeatureProto acl_
```
    - bitField0_
```
int bitField0_
```
    - blocks_
```
java.util.List<org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.BlockProto> blocks_
```
    - blockType_
```
int blockType_
```
    - erasureCodingPolicyID_
```
int erasureCodingPolicyID_
```
    - fileUC_
```
FsImageProto.INodeSection.FileUnderConstructionFeature fileUC_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - modificationTime_
```
long modificationTime_
```
    - permission_
```
long permission_
```
    - preferredBlockSize_
```
long preferredBlockSize_
```
    - replication_
```
int replication_
```
    - storagePolicyID_
```
int storagePolicyID_
```
    - xAttrs_
```
FsImageProto.INodeSection.XAttrFeatureProto xAttrs_
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeSection.INodeSymlink extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - accessTime_
```
long accessTime_
```
    - bitField0_
```
int bitField0_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - modificationTime_
```
long modificationTime_
```
    - permission_
```
long permission_
```
    - target_
```
org.apache.hadoop.thirdparty.protobuf.ByteString target_
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeSection.QuotaByStorageTypeEntryProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - quota_
```
long quota_
```
    - storageType_
```
int storageType_
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeSection.QuotaByStorageTypeFeatureProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - quotas_
```
java.util.List<FsImageProto.INodeSection.QuotaByStorageTypeEntryProto> quotas_
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeSection.XAttrCompactProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - name_
```
int name_
```
    - value_
```
org.apache.hadoop.thirdparty.protobuf.ByteString value_
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeSection.XAttrFeatureProto extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - xAttrs_
```
java.util.List<FsImageProto.INodeSection.XAttrCompactProto> xAttrs_
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.NameSystemSection extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - genstampV1_
```
long genstampV1_
```
    - genstampV1Limit_
```
long genstampV1Limit_
```
    - genstampV2_
```
long genstampV2_
```
    - lastAllocatedBlockId_
```
long lastAllocatedBlockId_
```
    - lastAllocatedStripedBlockId_
```
long lastAllocatedStripedBlockId_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - namespaceId_
```
int namespaceId_
```
    - rollingUpgradeStartTime_
```
long rollingUpgradeStartTime_
```
    - transactionId_
```
long transactionId_
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.SecretManagerSection extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - currentId_
```
int currentId_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - numKeys_
```
int numKeys_
```
    - numTokens_
```
int numTokens_
```
    - tokenSequenceNumber_
```
int tokenSequenceNumber_
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.SecretManagerSection.DelegationKey extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - expiryDate_
```
long expiryDate_
```
    - id_
```
int id_
```
    - key_
```
org.apache.hadoop.thirdparty.protobuf.ByteString key_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.SecretManagerSection.PersistToken extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - expiryDate_
```
long expiryDate_
```
    - issueDate_
```
long issueDate_
```
    - masterKeyId_
```
int masterKeyId_
```
    - maxDate_
```
long maxDate_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - owner_
```
java.lang.Object owner_
```
    - realUser_
```
java.lang.Object realUser_
```
    - renewer_
```
java.lang.Object renewer_
```
    - sequenceNumber_
```
int sequenceNumber_
```
    - version_
```
int version_
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.SnapshotDiffSection extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.SnapshotDiffSection.CreatedListEntry extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - name_
```
org.apache.hadoop.thirdparty.protobuf.ByteString name_
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.SnapshotDiffSection.DiffEntry extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - inodeId_
```
long inodeId_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - numOfDiff_
```
int numOfDiff_
```
    - type_
```
int type_
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.SnapshotDiffSection.DirectoryDiff extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - childrenSize_
```
int childrenSize_
```
    - createdListSize_
```
int createdListSize_
```
    - deletedINode_
```
org.apache.hadoop.thirdparty.protobuf.Internal.LongList deletedINode_
```
    - deletedINodeMemoizedSerializedSize
```
int deletedINodeMemoizedSerializedSize
```
    - deletedINodeRef_
```
org.apache.hadoop.thirdparty.protobuf.Internal.IntList deletedINodeRef_
```
    - deletedINodeRefMemoizedSerializedSize
```
int deletedINodeRefMemoizedSerializedSize
```
    - isSnapshotRoot_
```
boolean isSnapshotRoot_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - name_
```
org.apache.hadoop.thirdparty.protobuf.ByteString name_
```
    - snapshotCopy_
```
FsImageProto.INodeSection.INodeDirectory snapshotCopy_
```
    - snapshotId_
```
int snapshotId_
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.SnapshotDiffSection.FileDiff extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - blocks_
```
java.util.List<org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.BlockProto> blocks_
```
    - fileSize_
```
long fileSize_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - name_
```
org.apache.hadoop.thirdparty.protobuf.ByteString name_
```
    - snapshotCopy_
```
FsImageProto.INodeSection.INodeFile snapshotCopy_
```
    - snapshotId_
```
int snapshotId_
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.SnapshotSection extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - numSnapshots_
```
int numSnapshots_
```
    - snapshotCounter_
```
int snapshotCounter_
```
    - snapshottableDir_
```
org.apache.hadoop.thirdparty.protobuf.Internal.LongList snapshottableDir_
```
    - snapshottableDirMemoizedSerializedSize
```
int snapshottableDirMemoizedSerializedSize
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.SnapshotSection.Snapshot extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - root_
```
FsImageProto.INodeSection.INode root_
```
    - snapshotId_
```
int snapshotId_
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.StringTableSection extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - maskBits_
```
int maskBits_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - numEntry_
```
int numEntry_
```
- Class org.apache.hadoop.hdfs.server.namenode.FsImageProto.StringTableSection.Entry extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - id_
```
int id_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - str_
```
java.lang.Object str_
```
- Class org.apache.hadoop.hdfs.server.namenode.IllegalReservedPathException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.server.namenode.ImageServlet extends javax.servlet.http.HttpServlet implements Serializable
  
  serialVersionUID:
  
  -7669068179452648952L
  - Serialized Fields
    - currentlyDownloadingCheckpoints
```
java.util.SortedSet<org.apache.hadoop.hdfs.server.namenode.ImageServlet.ImageUploadRequest> currentlyDownloadingCheckpoints
```
- Class org.apache.hadoop.hdfs.server.namenode.IsNameNodeActiveServlet extends org.apache.hadoop.http.IsActiveServlet implements Serializable
- Class org.apache.hadoop.hdfs.server.namenode.JournalManager.CorruptionException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  -4687802717006172702L
- Class org.apache.hadoop.hdfs.server.namenode.LeaseExpiredException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.server.namenode.MetaRecoveryContext.RequestStopException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.server.namenode.NameNodeFormatException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.server.namenode.NetworkTopologyServlet extends DfsServlet implements Serializable
- Class org.apache.hadoop.hdfs.server.namenode.NetworkTopologyServlet.BadFormatException extends java.lang.Exception implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.server.namenode.NotReplicatedYetException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.server.namenode.RetryStartFileException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.server.namenode.SafeModeException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.server.namenode.SaveNamespaceCancelledException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.server.namenode.StartupProgressServlet extends DfsServlet implements Serializable
- Class org.apache.hadoop.hdfs.server.namenode.UnsupportedActionException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
Package org.apache.hadoop.hdfs.server.namenode.ha.proto
- Class org.apache.hadoop.hdfs.server.namenode.ha.proto.HAZKInfoProtos.ActiveNodeInfo extends org.apache.hadoop.thirdparty.protobuf.GeneratedMessageV3 implements Serializable
  
  serialVersionUID:
  
  0L
  - Serialized Fields
    - bitField0_
```
int bitField0_
```
    - hostname_
```
java.lang.Object hostname_
```
    - memoizedIsInitialized
```
byte memoizedIsInitialized
```
    - namenodeId_
```
java.lang.Object namenodeId_
```
    - nameserviceId_
```
java.lang.Object nameserviceId_
```
    - port_
```
int port_
```
    - zkfcPort_
```
int zkfcPort_
```
Package org.apache.hadoop.hdfs.server.protocol
- Class org.apache.hadoop.hdfs.server.protocol.DisallowedDatanodeException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.server.protocol.FencedException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.server.protocol.InvalidBlockReportLeaseException extends java.io.IOException implements Serializable
  
  serialVersionUID:
  
  1L
Package org.apache.hadoop.hdfs.tools.offlineImageViewer
- Class org.apache.hadoop.hdfs.tools.offlineImageViewer.IgnoreSnapshotException extends java.io.IOException implements Serializable
Package org.apache.hadoop.hdfs.util
- Class org.apache.hadoop.hdfs.util.ConstEnumCounters.ConstEnumException extends java.lang.RuntimeException implements Serializable
- Class org.apache.hadoop.hdfs.util.LongBitFormat extends java.lang.Object implements Serializable
  
  serialVersionUID:
  
  1L
  - Serialized Fields
    - LENGTH
```
int LENGTH
```
    - MASK
```
long MASK
```
    - MAX
```
long MAX
```
    - MIN
```
long MIN
```
    - NAME
```
java.lang.String NAME
```
    - OFFSET
```
int OFFSET
```
- Class org.apache.hadoop.hdfs.util.XMLUtils.InvalidXmlException extends java.lang.RuntimeException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.hadoop.hdfs.util.XMLUtils.UnmanglingError extends java.lang.RuntimeException implements Serializable
  
  serialVersionUID:
  
  1L

Serialized Form

Package org.apache.hadoop.hdfs

Class org.apache.hadoop.hdfs.BlockMissingException extends java.io.IOException implements Serializable

Serialized Fields

filename

offset

Class org.apache.hadoop.hdfs.CannotObtainBlockLengthException extends java.io.IOException implements Serializable

Class org.apache.hadoop.hdfs.UnknownCipherSuiteException extends java.io.IOException implements Serializable

Class org.apache.hadoop.hdfs.UnknownCryptoProtocolVersionException extends java.io.IOException implements Serializable

Package org.apache.hadoop.hdfs.protocol

Class org.apache.hadoop.hdfs.protocol.AclException extends java.io.IOException implements Serializable

Class org.apache.hadoop.hdfs.protocol.AlreadyBeingCreatedException extends java.io.IOException implements Serializable

Class org.apache.hadoop.hdfs.protocol.DSQuotaExceededException extends org.apache.hadoop.hdfs.protocol.QuotaExceededException implements Serializable

Class org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy extends java.lang.Object implements Serializable

Serialized Fields

cellSize

id

name

schema

Class org.apache.hadoop.hdfs.protocol.ErasureCodingPolicyInfo extends java.lang.Object implements Serializable

Serialized Fields

policy

state

Class org.apache.hadoop.hdfs.protocol.FSLimitException extends org.apache.hadoop.hdfs.protocol.QuotaExceededException implements Serializable

Class org.apache.hadoop.hdfs.protocol.FSLimitException.MaxDirectoryItemsExceededException extends FSLimitException implements Serializable

Class org.apache.hadoop.hdfs.protocol.FSLimitException.PathComponentTooLongException extends FSLimitException implements Serializable

Serialized Fields

childName

Class org.apache.hadoop.hdfs.protocol.FsPermissionExtension extends org.apache.hadoop.fs.permission.FsPermission implements Serializable

Serialized Fields

aclBit

encryptedBit

erasureCodedBit

Class org.apache.hadoop.hdfs.protocol.HdfsLocatedFileStatus extends org.apache.hadoop.fs.LocatedFileStatus implements Serializable

Serialized Fields

childrenNum

ecPolicy

feInfo

fileId

namespace

storagePolicy

uPath

uSymlink

Class org.apache.hadoop.hdfs.protocol.HdfsNamedFileStatus extends org.apache.hadoop.fs.FileStatus implements Serializable

Serialized Fields

childrenNum

ecPolicy

feInfo

fileId

namespace

storagePolicy

uPath

uSymlink

Class org.apache.hadoop.hdfs.protocol.HdfsPathHandle extends java.lang.Object implements Serializable

Serialized Fields

inodeId

mtime

path

Class org.apache.hadoop.hdfs.protocol.NoECPolicySetException extends java.io.IOException implements Serializable

Class org.apache.hadoop.hdfs.protocol.NSQuotaExceededException extends org.apache.hadoop.hdfs.protocol.QuotaExceededException implements Serializable

Serialized Fields

prefix

Class org.apache.hadoop.hdfs.protocol.QuotaByStorageTypeExceededException extends org.apache.hadoop.hdfs.protocol.QuotaExceededException implements Serializable

Serialized Fields

type

Class org.apache.hadoop.hdfs.protocol.QuotaExceededException extends org.apache.hadoop.fs.ClusterStorageCapacityExceededException implements Serializable

Serialized Fields

count

pathName

quota

Class org.apache.hadoop.hdfs.protocol.RecoveryInProgressException extends java.io.IOException implements Serializable

Class org.apache.hadoop.hdfs.protocol.RollingUpgradeException extends java.io.IOException implements Serializable

Class org.apache.hadoop.hdfs.protocol.SnapshotAccessControlException extends org.apache.hadoop.security.AccessControlException implements Serializable

Class org.apache.hadoop.hdfs.protocol.SnapshotException extends java.io.IOException implements Serializable

Class org.apache.hadoop.hdfs.protocol.UnregisteredNodeException extends java.io.IOException implements Serializable

Class org.apache.hadoop.hdfs.protocol.UnresolvedPathException extends org.apache.hadoop.fs.UnresolvedLinkException implements Serializable

Serialized Fields

linkTarget

path

preceding