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  /*
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   * Copyright (c) 1996, 2004, Oracle and/or its affiliates. All rights reserved.
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   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   *
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   * This code is free software; you can redistribute it and/or modify it
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   * under the terms of the GNU General Public License version 2 only, as
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   * published by the Free Software Foundation.  Oracle designates this
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   * particular file as subject to the "Classpath" exception as provided
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   * by Oracle in the LICENSE file that accompanied this code.
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  *
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  * This code is distributed in the hope that it will be useful, but WITHOUT
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  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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  * version 2 for more details (a copy is included in the LICENSE file that
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  * accompanied this code).
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  *
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  * You should have received a copy of the GNU General Public License version
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  * 2 along with this work; if not, write to the Free Software Foundation,
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  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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  *
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  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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  * or visit www.oracle.com if you need additional information or have any
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  * questions.
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  */
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 package java.lang.reflect;

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 java.lang.Throwable.getCause() method, as well as the aforementioned "legacy method."

See also:
Method
Constructor
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 public class InvocationTargetException extends ReflectiveOperationException {
    
Use serialVersionUID from JDK 1.1.X for interoperability 
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     private static final long serialVersionUID = 4085088731926701167L;

     
This field holds the target if the InvocationTargetException(Throwable target) constructor was used to instantiate the object

Serial:
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     private Throwable target;

    
Constructs an InvocationTargetException with null as the target exception. 
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     protected InvocationTargetException() {
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         super((Throwable)null);  // Disallow initCause
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     }

    
Constructs a InvocationTargetException with a target exception.

Parameters:
target the target exception
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     public InvocationTargetException(Throwable target) {
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         super((Throwable)null);  // Disallow initCause
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         this. = target;
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     }

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

Parameters:
target the target exception
s the detail message
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     public InvocationTargetException(Throwable target, String s) {
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         super(s, null);  // Disallow initCause
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         this. = target;
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     }

    
Get the thrown target exception.

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

Returns:
the thrown target exception (cause of this exception).
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     public Throwable getTargetException() {
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         return ;
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     }

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

Returns:
the cause of this exception.
Since:
1.4
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    public Throwable getCause() {
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        return ;
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    }
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