## Version 4.3.0

_2019-12-31_

 *  Fix: Degrade HTTP/2 connections after a timeout. When an HTTP/2 stream times out it may impact
    the stream only or the entire connection. With this fix OkHttp will now send HTTP/2 pings after
    a stream timeout to determine whether the connection should remain eligible for pooling.

 *  Fix: Don't call `EventListener.responseHeadersStart()` or `responseBodyStart()` until bytes have

  /**
   * The HTTP <a href="http://html.spec.whatwg.org/multipage/semantics.html#hyperlink-auditing">
   * {@code Ping-To}</a> header field name.
   *
   * @since 19.0
   */
  public static final String PING_TO = "Ping-To";

  /**
   * The HTTP <a
   * href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Link_prefetching_FAQ#As_a_server_admin.2C_can_I_distinguish_prefetch_requests_from_normal_requests.3F">{@code

        .pingInterval(Duration.ofMillis(500))
        .build()

    // Set up the server to ignore the socket. It won't respond to pings!
    server.enqueue(MockResponse.Builder().onRequestStart(Stall).build())

    // Make a call. It'll fail as soon as our pings detect a problem.
    val call = client.newCall(Request(server.url("/")))
    val executeAtNanos = System.nanoTime()

// https://www.iana.org/domains/root/db/silk.html
silk

// sina : Sina Corporation
// https://www.iana.org/domains/root/db/sina.html
sina

// singles : Binky Moon, LLC
// https://www.iana.org/domains/root/db/singles.html
singles

// site : Radix Technologies Inc.
// https://www.iana.org/domains/root/db/site.html
site

// ski : Identity Digital Limited

siellak.no
siena.it
sieradz.pl
sigdal.no
siiites.com
siljan.no
silk
simple-url.com
simplesite.com
simplesite.com.br
simplesite.gr
simplesite.pl
sina
sinaapp.com
singles
siracusa.it
sirdal.no
sisko.replit.dev
site
site.rb-hosting.io
site.tb-hosting.com
site.transip.me
siteleaf.net
sj
sjc.br
sk
sk.ca
sk.eu.org
skanit.no

                logger.error(() -> "Failed to flush " + stream(indices).get(stream -> stream.collect(Collectors.joining(", "))), e);
            }
        });

    }

    /**
     * Pings the search engine cluster to check connectivity and health.
     *
     * @return the ping response with cluster information
     * @throws SearchEngineClientException if the ping fails
     */

- Enable SPDY pings to keep connections alive, so that `kubectl exec` and `kubectl portforward` won't be interrupted. ([#97083](https://github.com/kubernetes/kubernetes/pull/97083), [@knight42](https://github.com/knight42)) [SIG API Machinery and CLI]

siellak.no
siena.it
sieradz.pl
sigdal.no
siiites.com
siljan.no
silk
simple-url.com
simplesite.com
simplesite.com.br
simplesite.gr
simplesite.pl
sina
sinaapp.com
singles
siracusa.it
sirdal.no
sisko.replit.dev
site
site.rb-hosting.io
site.tb-hosting.com
site.transip.me
siteleaf.net
sj
sjc.br
sk
sk.ca
sk.eu.org
skanit.no