https://github.com/square/okhttp/okhttp: An HTTP+HTTP/2 client for Android and Java applications 
/*
 * Copyright (C) 2016 Square, Inc.
 *
 * Licensed 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 okhttp3.internal.http2;

import java.io.IOException;


Thrown when an HTTP/2 connection is shutdown (either explicitly or if the peer has sent a GOAWAY
frame) and an attempt is made to use the connection.

/**
 * Thrown when an HTTP/2 connection is shutdown (either explicitly or if the peer has sent a GOAWAY
 * frame) and an attempt is made to use the connection.
 */
public final class ConnectionShutdownException extends IOException {
}