KeeperException.Code (Apache ZooKeeper

java.lang.Object
- java.lang.Enum<KeeperException.Code>
- - org.apache.zookeeper.KeeperException.Code

All Implemented Interfaces:

Serializable, Comparable<KeeperException.Code>, KeeperException.CodeDeprecated

Enclosing class:

KeeperException
```
@InterfaceAudience.Public
public static enum KeeperException.Code
extends Enum<KeeperException.Code>
implements KeeperException.CodeDeprecated
```
Codes which represent the various KeeperException types. This enum replaces the deprecated earlier static final int constants. The old, deprecated, values are in "camel case" while the new enum values are in all CAPS.

Enum Constant Summary

Enum Constants
Enum Constant and Description
`APIERROR` API errors.
`AUTHFAILED` Client authentication failed
`BADARGUMENTS` Invalid arguments
`BADVERSION` Version conflict In case of reconfiguration: reconfig requested from config version X but last seen config has a different version Y
`CONNECTIONLOSS` Connection to the server has been lost
`DATAINCONSISTENCY` A data inconsistency was found
`EPHEMERALONLOCALSESSION` Attempt to create ephemeral node on a local session
`INVALIDACL` Invalid ACL specified
`INVALIDCALLBACK` Invalid callback specified
`MARSHALLINGERROR` Error while marshalling or unmarshalling data
`NEWCONFIGNOQUORUM` No quorum of new config is connected and up-to-date with the leader of last commmitted config - try invoking reconfiguration after new servers are connected and synced
`NOAUTH` Not authenticated
`NOCHILDRENFOREPHEMERALS` Ephemeral nodes may not have children
`NODEEXISTS` The node already exists
`NONODE` Node does not exist
`NOTEMPTY` The node has children
`NOTREADONLY` State-changing request is passed to read-only server
`NOWATCHER` Attempts to remove a non-existing watcher
`OK` Everything is OK
`OPERATIONTIMEOUT` Operation timeout
`RECONFIGDISABLED` Attempts to perform a reconfiguration operation when reconfiguration feature is disabled.
`RECONFIGINPROGRESS` Another reconfiguration is in progress -- concurrent reconfigs not supported (yet)
`REQUESTTIMEOUT` Request not completed within max allowed time.
`RUNTIMEINCONSISTENCY` A runtime inconsistency was found
`SESSIONEXPIRED` The session has been expired by the server
`SESSIONMOVED` Session moved to another server, so operation is ignored
`SYSTEMERROR` System and server-side errors.
`UNIMPLEMENTED` Operation is unimplemented
`UNKNOWNSESSION` Unknown session (internal server use only)

Field Summary
- Fields inherited from interface org.apache.zookeeper.KeeperException.CodeDeprecated
  APIError, AuthFailed, BadArguments, BadVersion, ConnectionLoss, DataInconsistency, EphemeralOnLocalSession, InvalidACL, InvalidCallback, MarshallingError, NewConfigNoQuorum, NoAuth, NoChildrenForEphemerals, NodeExists, NoNode, NotEmpty, Ok, OperationTimeout, ReconfigInProgress, RuntimeInconsistency, SessionExpired, SystemError, Unimplemented, UnknownSession

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`static KeeperException.Code`	`get(int code)` Get the Code value for a particular integer error code
`int`	`intValue()` Get the int value for a particular Code.
`static KeeperException.Code`	`valueOf(String name)` Returns the enum constant of this type with the specified name.
`static KeeperException.Code[]`	`values()` Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum
clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object
getClass, notify, notifyAll, wait, wait, wait

- Enum Constant Detail
  - OK
```
public static final KeeperException.Code OK
```
    Everything is OK
  - SYSTEMERROR
```
public static final KeeperException.Code SYSTEMERROR
```
    System and server-side errors. This is never thrown by the server, it shouldn't be used other than to indicate a range. Specifically error codes greater than this value, but lesser than APIERROR, are system errors.
  - RUNTIMEINCONSISTENCY
```
public static final KeeperException.Code RUNTIMEINCONSISTENCY
```
    A runtime inconsistency was found
  - DATAINCONSISTENCY
```
public static final KeeperException.Code DATAINCONSISTENCY
```
    A data inconsistency was found
  - CONNECTIONLOSS
```
public static final KeeperException.Code CONNECTIONLOSS
```
    Connection to the server has been lost
  - MARSHALLINGERROR
```
public static final KeeperException.Code MARSHALLINGERROR
```
    Error while marshalling or unmarshalling data
  - UNIMPLEMENTED
```
public static final KeeperException.Code UNIMPLEMENTED
```
    Operation is unimplemented
  - OPERATIONTIMEOUT
```
public static final KeeperException.Code OPERATIONTIMEOUT
```
    Operation timeout
  - BADARGUMENTS
```
public static final KeeperException.Code BADARGUMENTS
```
    Invalid arguments
  - NEWCONFIGNOQUORUM
```
public static final KeeperException.Code NEWCONFIGNOQUORUM
```
    No quorum of new config is connected and up-to-date with the leader of last commmitted config - try invoking reconfiguration after new servers are connected and synced
  - RECONFIGINPROGRESS
```
public static final KeeperException.Code RECONFIGINPROGRESS
```
    Another reconfiguration is in progress -- concurrent reconfigs not supported (yet)
  - UNKNOWNSESSION
```
public static final KeeperException.Code UNKNOWNSESSION
```
    Unknown session (internal server use only)
  - APIERROR
```
public static final KeeperException.Code APIERROR
```
    API errors. This is never thrown by the server, it shouldn't be used other than to indicate a range. Specifically error codes greater than this value are API errors (while values less than this indicate a SYSTEMERROR).
  - NONODE
```
public static final KeeperException.Code NONODE
```
    Node does not exist
  - NOAUTH
```
public static final KeeperException.Code NOAUTH
```
    Not authenticated
  - BADVERSION
```
public static final KeeperException.Code BADVERSION
```
    Version conflict In case of reconfiguration: reconfig requested from config version X but last seen config has a different version Y
  - NOCHILDRENFOREPHEMERALS
```
public static final KeeperException.Code NOCHILDRENFOREPHEMERALS
```
    Ephemeral nodes may not have children
  - NODEEXISTS
```
public static final KeeperException.Code NODEEXISTS
```
    The node already exists
  - NOTEMPTY
```
public static final KeeperException.Code NOTEMPTY
```
    The node has children
  - SESSIONEXPIRED
```
public static final KeeperException.Code SESSIONEXPIRED
```
    The session has been expired by the server
  - INVALIDCALLBACK
```
public static final KeeperException.Code INVALIDCALLBACK
```
    Invalid callback specified
  - INVALIDACL
```
public static final KeeperException.Code INVALIDACL
```
    Invalid ACL specified
  - AUTHFAILED
```
public static final KeeperException.Code AUTHFAILED
```
    Client authentication failed
  - SESSIONMOVED
```
public static final KeeperException.Code SESSIONMOVED
```
    Session moved to another server, so operation is ignored
  - NOTREADONLY
```
public static final KeeperException.Code NOTREADONLY
```
    State-changing request is passed to read-only server
  - EPHEMERALONLOCALSESSION
```
public static final KeeperException.Code EPHEMERALONLOCALSESSION
```
    Attempt to create ephemeral node on a local session
  - NOWATCHER
```
public static final KeeperException.Code NOWATCHER
```
    Attempts to remove a non-existing watcher
  - REQUESTTIMEOUT
```
public static final KeeperException.Code REQUESTTIMEOUT
```
    Request not completed within max allowed time.
  - RECONFIGDISABLED
```
public static final KeeperException.Code RECONFIGDISABLED
```
    Attempts to perform a reconfiguration operation when reconfiguration feature is disabled.
- Method Detail
  - values
```
public static KeeperException.Code[] values()
```
    Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:
```
for (KeeperException.Code c : KeeperException.Code.values())
    System.out.println(c);
```
    Returns:
    
    an array containing the constants of this enum type, in the order they are declared
  - valueOf
```
public static KeeperException.Code valueOf(String name)
```
    Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
    
    Parameters:
    
    name - the name of the enum constant to be returned.
    
    Returns:
    
    the enum constant with the specified name
    
    Throws:
    
    IllegalArgumentException - if this enum type has no constant with the specified name
    
    NullPointerException - if the argument is null
  - intValue
```
public int intValue()
```
    Get the int value for a particular Code.
    
    Returns:
    
    error code as integer
  - get
```
public static KeeperException.Code get(int code)
```
    Get the Code value for a particular integer error code
    
    Parameters:
    
    code - int error code
    
    Returns:
    
    Code value corresponding to specified int code, or null

Enum KeeperException.Code

Enum Constant Summary

Field Summary

Fields inherited from interface org.apache.zookeeper.KeeperException.CodeDeprecated

Method Summary

Methods inherited from class java.lang.Enum

Methods inherited from class java.lang.Object

Enum Constant Detail

OK

SYSTEMERROR

RUNTIMEINCONSISTENCY

DATAINCONSISTENCY

CONNECTIONLOSS

MARSHALLINGERROR

UNIMPLEMENTED

OPERATIONTIMEOUT

BADARGUMENTS

NEWCONFIGNOQUORUM

RECONFIGINPROGRESS

UNKNOWNSESSION

APIERROR

NONODE

NOAUTH

BADVERSION

NOCHILDRENFOREPHEMERALS

NODEEXISTS

NOTEMPTY

SESSIONEXPIRED

INVALIDCALLBACK

INVALIDACL

AUTHFAILED

SESSIONMOVED

NOTREADONLY

EPHEMERALONLOCALSESSION

NOWATCHER

REQUESTTIMEOUT

RECONFIGDISABLED

Method Detail

values

valueOf

intValue

get