org.apache.hadoop.hbase.exceptions

类 PreemptiveFastFailException

java.lang.Object

java.lang.Throwable

java.lang.Exception

java.io.IOException

java.net.SocketException

java.net.ConnectException

org.apache.hadoop.hbase.exceptions.PreemptiveFastFailException

所有已实现的接口:

Serializable

@InterfaceAudience.Public
@InterfaceStability.Evolving
public class PreemptiveFastFailException
extends ConnectException

Thrown when the client believes that we are trying to communicate to has been repeatedly unresponsive for a while. On receiving such an exception. The HConnectionManager will skip all retries and fast fail the operation.

另请参阅:

序列化表格

构造器概要

构造器

构造器和说明
PreemptiveFastFailException(long count, long timeOfFirstFailureMilliSec, long timeOfLatestAttemptMilliSec, ServerName serverName)
PreemptiveFastFailException(long count, long timeOfFirstFailureMilliSec, long timeOfLatestAttemptMilliSec, ServerName serverName, boolean guaranteedClientSideOnly)

方法概要

方法

限定符和类型	方法和说明
long	getFailureCount()
long	getFirstFailureAt()
long	getLastAttemptAt()
boolean	isGuaranteedClientSideOnly()
boolean	wasOperationAttemptedByServer()

从类继承的方法 java.lang.Throwable

addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

构造器详细资料

PreemptiveFastFailException

public PreemptiveFastFailException(long count,
                           long timeOfFirstFailureMilliSec,
                           long timeOfLatestAttemptMilliSec,
                           ServerName serverName)

参数:

count - num of consecutive failures

timeOfFirstFailureMilliSec - when first failure happened

timeOfLatestAttemptMilliSec - when last attempt happened

serverName - server we failed to connect to

PreemptiveFastFailException

public PreemptiveFastFailException(long count,
                           long timeOfFirstFailureMilliSec,
                           long timeOfLatestAttemptMilliSec,
                           ServerName serverName,
                           boolean guaranteedClientSideOnly)

参数:

count - num of consecutive failures

timeOfFirstFailureMilliSec - when first failure happened

timeOfLatestAttemptMilliSec - when last attempt happened

serverName - server we failed to connect to

guaranteedClientSideOnly - if true, guarantees that no mutations have been applied on the server

方法详细资料

getFirstFailureAt

public long getFirstFailureAt()

返回:

time of the fist failure

getLastAttemptAt

public long getLastAttemptAt()

返回:

time of the latest attempt

getFailureCount

public long getFailureCount()

返回:

failure count

wasOperationAttemptedByServer

public boolean wasOperationAttemptedByServer()

返回:

true if operation was attempted by server, false otherwise.

isGuaranteedClientSideOnly

public boolean isGuaranteedClientSideOnly()

返回:

true if we know no mutation made it to the server, false otherwise.