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The RabbitMQ Java client library allows Java applications to interface with RabbitMQ.

There is a newer version: 5.22.0

// Copyright (c) 2007-2023 Broadcom. All Rights Reserved. The term "Broadcom" refers to Broadcom Inc. and/or its subsidiaries.
//
// This software, the RabbitMQ Java client library, is triple-licensed under the
// Mozilla Public License 2.0 ("MPL"), the GNU General Public License version 2
// ("GPL") and the Apache License version 2 ("ASL"). For the MPL, please see
// LICENSE-MPL-RabbitMQ. For the GPL, please see LICENSE-GPL2.  For the ASL,
// please see LICENSE-APACHE2.
//
// This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND,
// either express or implied. See the LICENSE file for specific language governing
// rights and limitations of this software.
//
// If you have any questions regarding licensing, please contact us at
// [email protected].


package com.rabbitmq.client;

import java.io.IOException;

/**
 * Thrown when the protocol handlers detect an unknown class number or
 * method number.
 */
public class UnknownClassOrMethodId extends IOException {
    private static final long serialVersionUID = 1L;
    private static final int NO_METHOD_ID = -1;
    public final int classId;
    public final int methodId;
    public UnknownClassOrMethodId(int classId) {
        this(classId, NO_METHOD_ID);
    }
    public UnknownClassOrMethodId(int classId, int methodId) {
        this.classId = classId;
        this.methodId = methodId;
    }
    @Override
    public String toString() {
        if (this.methodId == NO_METHOD_ID) {
            return super.toString() + "<" + classId + ">";
        } else {
            return super.toString() + "<" + classId + "." + methodId + ">";
        }
    }
}