org.apache.hadoop.hbase

Class RemoteExceptionHandler

java.lang.Object

org.apache.hadoop.hbase.RemoteExceptionHandler

@InterfaceAudience.Private
public class RemoteExceptionHandler
extends Object

An immutable class which contains a static method for handling org.apache.hadoop.ipc.RemoteException exceptions.

Method Summary

Methods

Modifier and Type	Method and Description
static IOException	checkIOException(IOException e) Examine passed IOException.
static Throwable	checkThrowable(Throwable t) Examine passed Throwable.
static IOException	decodeRemoteException(org.apache.hadoop.ipc.RemoteException re) Deprecated. Use RemoteException.unwrapRemoteException() instead. In fact we should look into deprecating this whole class - St.Ack 2010929

Methods inherited from class java.lang.Object

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

Method Detail

checkThrowable

public static Throwable checkThrowable(Throwable t)

Examine passed Throwable. See if its carrying a RemoteException. If so, run decodeRemoteException(RemoteException) on it. Otherwise, pass back t unaltered.

Parameters:

t - Throwable to examine.

Returns:

Decoded RemoteException carried by t or t unaltered.

checkIOException

public static IOException checkIOException(IOException e)

Examine passed IOException. See if its carrying a RemoteException. If so, run decodeRemoteException(RemoteException) on it. Otherwise, pass back e unaltered.

Parameters:

e - Exception to examine.

Returns:

Decoded RemoteException carried by e or e unaltered.

decodeRemoteException

public static IOException decodeRemoteException(org.apache.hadoop.ipc.RemoteException re)
                                         throws IOException

Deprecated. Use RemoteException.unwrapRemoteException() instead. In fact we should look into deprecating this whole class - St.Ack 2010929

Converts org.apache.hadoop.ipc.RemoteException into original exception, if possible. If the original exception is an Error or a RuntimeException, throws the original exception.

Parameters:

re - original exception

Returns:

decoded RemoteException if it is an instance of or a subclass of IOException, or the original RemoteException if it cannot be decoded.

Throws:

IOException - indicating a server error ocurred if the decoded exception is not an IOException. The decoded exception is set as the cause.