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Java example source code file (

This example Java source code file ( is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

badattributevalueexception, badattributevalueexpexception, boolean, byte, classnotfoundexception, double, float, integer, ioexception, jdk\-8019292, long, object, short, string

The Java example source code

 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit if you need additional information or have any
 * questions.



 * Thrown when an invalid MBean attribute is passed to a query
 * constructing method.  This exception is used internally by JMX
 * during the evaluation of a query.  User code does not usually
 * see it.
 * @since 1.5
public class BadAttributeValueExpException extends Exception   {

    /* Serial version */
    private static final long serialVersionUID = -3105272988410493376L;

     * @serial A string representation of the attribute that originated this exception.
     * for example, the string value can be the return of {@code attribute.toString()}
    private Object val;

     * Constructs a BadAttributeValueExpException using the specified Object to
     * create the toString() value.
     * @param val the inappropriate value.
    public BadAttributeValueExpException (Object val) {
        this.val = val == null ? null : val.toString();

     * Returns the string representing the object.
    public String toString()  {
        return "BadAttributeValueException: " + val;

    private void readObject(ObjectInputStream ois) throws IOException, ClassNotFoundException {
        ObjectInputStream.GetField gf = ois.readFields();
        Object valObj = gf.get("val", null);

        if (valObj == null) {
            val = null;
        } else if (valObj instanceof String) {
            val= valObj;
        } else if (System.getSecurityManager() == null
                || valObj instanceof Long
                || valObj instanceof Integer
                || valObj instanceof Float
                || valObj instanceof Double
                || valObj instanceof Byte
                || valObj instanceof Short
                || valObj instanceof Boolean) {
            val = valObj.toString();
        } else { // the serialized object is from a version without JDK-8019292 fix
            val = System.identityHashCode(valObj) + "@" + valObj.getClass().getName();

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