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## java.lang.reflect
Class InvocationTargetException

    java.lang.Object
      |
      +--java.lang.Throwable
            |
            +--java.lang.Exception
                  |
                  +--java.lang.reflect.InvocationTargetException

All Implemented Interfaces:
  Serializable

public class InvocationTargetException
extends Exception

InvocationTargetException is a checked exception that wraps an exception thrown by an invoked method or constructor.

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

See Also:
  `Method`, `Constructor`, Serialized Form

Constructor Summary
`protected` | `InvocationTargetException()` Constructs an `InvocationTargetException` with `null` as the target exception.
`` | `InvocationTargetException(Throwable target)` Constructs a InvocationTargetException with a target exception.
`` | `InvocationTargetException(Throwable target, String s)` Constructs a InvocationTargetException with a target exception and a detail message.

Method Summary
`Throwable` | `getCause()` Returns the the cause of this exception (the thrown target exception, which may be `null`).
`Throwable` | `getTargetException()` Get the thrown target exception.

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

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

Constructor Detail

### InvocationTargetException

    protected InvocationTargetException()

  Constructs an `InvocationTargetException` with `null` as the target exception.

### InvocationTargetException

    public InvocationTargetException(Throwable target)

  Constructs a InvocationTargetException with a target exception.

Parameters:
  `target` - the target exception

### InvocationTargetException

    public InvocationTargetException(Throwable target,
                                     String s)

  Constructs a InvocationTargetException with a target exception and a detail message.

Parameters:
  `target` - the target exception
  `s` - the detail message

Method Detail

### getTargetException

    public Throwable getTargetException()

  Get the thrown target exception.

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

  Returns:
    the thrown target exception (cause of this exception).

### getCause

    public Throwable getCause()

  Returns the the cause of this exception (the thrown target exception, which may be `null`).

  Overrides:
    `getCause` in class `Throwable`
  Returns:
    the cause of this exception.
  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 2002 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms.