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ActivationException (Java Platform SE 6) - JDK 5 Documentation v6.0, Java 2 SDK 英文文档

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java.rmi.activation
Class ActivationException

java.lang.Object
  java.lang.Throwable
      java.lang.Exception
          java.rmi.activation.ActivationException

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

UnknownGroupException, UnknownObjectException

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public class ActivationException
extends Exception

General exception used by the activation interfaces.

As of release 1.4, this exception has been retrofitted to conform to the general purpose exception-chaining mechanism. The "detail 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 ActivationException always throws IllegalStateException.

Since:

1.2

See Also:

Serialized Form

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Field Summary
Throwable	detail           The cause of the activation exception.

 

Constructor Summary
ActivationException()           Constructs an ActivationException.
ActivationException(String s)           Constructs an ActivationException with the specified detail message.
ActivationException(String s, Throwable cause)           Constructs an ActivationException 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 activation 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

ActivationException

public ActivationException()

Constructs an ActivationException.

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ActivationException

public ActivationException(String s)

Constructs an ActivationException with the specified detail message.

Parameters:

s - the detail message

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ActivationException

public ActivationException(String s,
                           Throwable cause)

Constructs an ActivationException 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 SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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