Package org.apache.hadoop.yarn.ipc

Class RPCUtil

java.lang.Object

org.apache.hadoop.yarn.ipc.RPCUtil

@LimitedPrivate({"MapReduce","YARN"})
public class RPCUtil
extends Object

Constructor Summary

Constructors

Constructor	Description
RPCUtil()

Method Summary

Modifier and Type	Method	Description
static org.apache.hadoop.yarn.exceptions.YarnException	getRemoteException(String message)	Returns an instance of YarnException.
static org.apache.hadoop.yarn.exceptions.YarnException	getRemoteException(Throwable t)	Returns an instance of YarnException.
static Void	unwrapAndThrowException(org.apache.hadoop.thirdparty.protobuf.ServiceException se)	Utility method that unwraps and returns appropriate exceptions.

Methods inherited from class java.lang.Object

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

Constructor Details

RPCUtil

public RPCUtil()

Method Details

getRemoteException

public static org.apache.hadoop.yarn.exceptions.YarnException getRemoteException(Throwable t)

Returns an instance of YarnException.

Parameters:

t - instance of Throwable.

Returns:

instance of YarnException.

getRemoteException

public static org.apache.hadoop.yarn.exceptions.YarnException getRemoteException(String message)

Returns an instance of YarnException.

Parameters:

message - yarn exception message.

Returns:

instance of YarnException.

unwrapAndThrowException

public static Void unwrapAndThrowException(org.apache.hadoop.thirdparty.protobuf.ServiceException se)
                                    throws IOException,
org.apache.hadoop.yarn.exceptions.YarnException

Utility method that unwraps and returns appropriate exceptions.

Parameters:

se - ServiceException

Returns:

An instance of the actual exception, which will be a subclass of YarnException or IOException

Throws:

IOException - io error occur.

org.apache.hadoop.yarn.exceptions.YarnException - exceptions from yarn servers.