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

      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

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `Throwable` | `detail` The cause of the remote exception.

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `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

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `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`.

    - #### RemoteException

          public RemoteException(String s)

      Constructs a `RemoteException` with the specified detail message.
      Parameters:
        `s` - the detail message

    - #### 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

    - #### 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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