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RemoteException (Java 2 Platform SE 5.0) - JDK 5 Documentation v1.5.0, Java 2 SDK 英文文档

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java.rmi
Class RemoteException

java.lang.Object
  java.lang.Throwable
      java.lang.Exception
          java.io.IOException
              java.rmi.RemoteException

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

AccessException, ActivateFailedException, ActivityCompletedException, ActivityRequiredException, ConnectException, ConnectIOException, ExportException, InvalidActivityException, InvalidTransactionException, MarshalException, NoSuchObjectException, ServerError, ServerException, ServerRuntimeException, SkeletonMismatchException, SkeletonNotFoundException, StubNotFoundException, TransactionRequiredException, TransactionRolledbackException, UnexpectedException, UnknownHostException, UnmarshalException

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public class RemoteException
extends IOException

A RemoteException is the common superclass for a number of communication-related exceptions that may occur during the execution of a remote method call. Each method of a remote interface, an interface that extends java.rmi.Remote, must list RemoteException in its throws clause.

As of release 1.4, this exception has been retrofitted to conform to the general purpose exception-chaining mechanism. The "wrapped remote exception" that may be provided at construction time and accessed via the public detail field is now known as the cause, and may be accessed via the Throwable.getCause() method, as well as the aforementioned "legacy field."

Invoking the method Throwable.initCause(Throwable) on an instance of RemoteException always throws IllegalStateException.

Since:

JDK1.1

See Also:

Serialized Form

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Field Summary
Throwable	detail           The cause of the remote exception.

 

Constructor Summary
RemoteException()           Constructs a RemoteException.
RemoteException(String s)           Constructs a RemoteException with the specified detail message.
RemoteException(String s, Throwable cause)           Constructs a RemoteException with the specified detail message and cause.

 

Method Summary
Throwable	getCause()           Returns the cause of this exception.
String	getMessage()           Returns the detail message, including the message from the cause, if any, of this exception.

 

Methods inherited from class java.lang.Throwable
fillInStackTrace, getLocalizedMessage, getStackTrace, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

 

Field Detail

detail

public Throwable detail

The cause of the remote exception.

This field predates the general-purpose exception chaining facility. The Throwable.getCause() method is now the preferred means of obtaining this information.

Constructor Detail

RemoteException

public RemoteException()

Constructs a RemoteException.

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RemoteException

public RemoteException(String s)

Constructs a RemoteException with the specified detail message.

Parameters:

s - the detail message

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RemoteException

public RemoteException(String s,
                       Throwable cause)

Constructs a RemoteException with the specified detail message and cause. This constructor sets the detail field to the specified Throwable.

Parameters:

s - the detail message

cause - the cause

Method Detail

getMessage

public String getMessage()

Returns the detail message, including the message from the cause, if any, of this exception.

Overrides:

getMessage in class Throwable

Returns:

the detail message

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getCause

public Throwable getCause()

Returns the cause of this exception. This method returns the value of the detail field.

Overrides:

getCause in class Throwable

Returns:

the cause, which may be null.

Since:

1.4

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2004 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.