commons-net.jar is the bytecode of Apache Commons Net library, which implements the client side of many basic Internet protocols.

Apache Commons Net Source Code files are provided in the binary packge (commons-net-3.8.0-bin.zip). You can download it at Apache Commons Net Website.

The source code of commons-net-3.8.0.jar is provided below:

⏎ org/apache/commons/net/tftp/TFTPPacketException.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.commons.net.tftp;

/**
 * A class used to signify the occurrence of an error in the creation of
 * a TFTP packet.  It is not declared final so that it may be subclassed
 * to identify more specific errors.  You would only want to do this if
 * you were building your own TFTP client or server on top of the
 * {@link org.apache.commons.net.tftp.TFTP}
 * class if you
 * wanted more functionality than the
 * {@link org.apache.commons.net.tftp.TFTPClient#receiveFile receiveFile()}
 * and
 * {@link org.apache.commons.net.tftp.TFTPClient#sendFile sendFile()}
 * methods provide.
 *
 *
 * @see TFTPPacket
 * @see TFTP
 */

public class TFTPPacketException extends Exception
{

    private static final long serialVersionUID = -8114699256840851439L;

    /**
     * Simply calls the corresponding constructor of its superclass.
     */
    public TFTPPacketException()
    {
    }

    /**
     * Simply calls the corresponding constructor of its superclass.
     * @param message the message
     */
    public TFTPPacketException(final String message)
    {
        super(message);
    }
}

⏎ org/apache/commons/net/tftp/TFTPPacketException.java

Or download all of them as a single archive file:

File name: commons-net-3.8.0-sources.jar
File size: 437325 bytes
Release date: 2020-01-22
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