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Jakarta Messaging describes a means for Java applications to create, send, and receive messages via loosely coupled, reliable asynchronous communication services.

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/*
 * Copyright (c) 1997, 2017 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package javax.jms;

/**
 * If a JMS provider detects a serious problem with a {@code Connection} object, it informs the {@code Connection}
 * object's {@code ExceptionListener}, if one has been registered. It does this by calling the listener's
 * {@code onException} method, passing it a {@code JMSException} argument describing the problem.
 *
 * 
 * An exception listener allows a client to be notified of a problem asynchronously. Some connections only consume
 * messages, so they would have no other way to learn that their connection has failed.
 *
 * 
 * A JMS provider should attempt to resolve connection problems itself before it notifies the client of them.
 *
 * @see javax.jms.Connection#setExceptionListener(ExceptionListener)
 *
 * @version JMS 2.0
 * @since JMS 1.0
 *
 */
public interface ExceptionListener {

    /**
     * Notifies user of a JMS exception.
     *
     * @param exception the JMS exception
     */
    void onException(JMSException exception);
}