---
name: Feature request
about: Suggest an idea
title: ''
labels: enhancement
assignees: ''

---

Start by telling us what problem you’re trying to solve. Often a solution already exists!

    assert200Http2Response(execute(sanUrl), "san.com")
    assertThat(client.connectionPool.connectionCount()).isEqualTo(1)
  }

  /**
   * This is an extraordinary test case. Here's what it's trying to simulate.
   * - 2 requests happen concurrently to a host that can be coalesced onto a single connection.
   * - Both request discover no existing connection. They both make a connection.

016D          ; valid                                  # 1.1  LATIN SMALL LETTER U WITH BREVE
016E          ; mapped                 ; 016F          # 1.1  LATIN CAPITAL LETTER U WITH RING ABOVE
016F          ; valid                                  # 1.1  LATIN SMALL LETTER U WITH RING ABOVE
0170          ; mapped                 ; 0171          # 1.1  LATIN CAPITAL LETTER U WITH DOUBLE ACUTE

skien.no skierva.no skiervá.no skin skiptvet.no skjak.no skjervoy.no skjervøy.no skjåk.no sklep.pl sko.gov.pl skoczow.pl skodje.no skole.museum sky skydiving.aero skygearapp.com skype skánit.no skånland.no sl slask.pl slattum.no sld.do sld.pa slg.br sling slupsk.pl slz.br sm sm.ua small-web.org smart smartlabeling.scw.cloud smile smola.no smushcdn.com smøla.no sn sn.cn snaase.no snasa.no sncf snillfjord.no snoasa.no snowflake.app snåase.no snåsa.no so so.gov.pl so.it sobetsu.hokkaido.jp soc.dz soc.lk...

ski

// skin : 2015-01-15 XYZ.COM LLC
skin

// sky : 2014-06-19 Sky International AG
sky

// skype : 2014-12-18 Microsoft Corporation
skype

// sling : 2015-07-30 DISH Technologies L.L.C.
sling

// smart : 2015-07-09 Smart Communications, Inc. (SMART)
smart

// smile : 2014-12-18 Amazon Registry Services, Inc.
smile

// sncf : 2015-02-19 Société Nationale SNCF

 *
 * We use this because eager classpath checks cause confusion and excessive logging in Android,
 * and we can't rely on classnames after proguard, so are probably best served by falling through
 * to a situation of trying our least likely noisiest options.
 */
class DeferredSocketAdapter(private val socketAdapterFactory: Factory) : SocketAdapter {
  private var delegate: SocketAdapter? = null

  override fun isSupported(): Boolean {

 * [okhttp-digest](https://github.com/rburgst/okhttp-digest): A digest authenticator for OkHttp.
 * [OkHttp Idling Resource](https://github.com/JakeWharton/okhttp-idling-resource): An Espresso IdlingResource for OkHttp.
 * [okhttp-client-mock](https://github.com/gmazzo/okhttp-client-mock): A simple OKHttp client mock, using a programmable request interceptor.

 *     [RealConnection.isEligible] for details.
 *
 *  3. Attempt plans from prior connect attempts for this call. These occur as either follow-ups to
 *     failed connect attempts (such as trying the next [ConnectionSpec]), or as attempts that lost
 *     a race in fast follow-up.
 *
 *  4. If there's no existing connection, make a list of routes (which may require blocking DNS

    if (e is InterruptedIOException) {
      return e is SocketTimeoutException && !requestSendStarted
    }

    // Look for known client-side or negotiation errors that are unlikely to be fixed by trying
    // again with a different route.
    if (e is SSLHandshakeException) {
      // If the problem was a CertificateException from the X509TrustManager,
      // do not retry.
      if (e.cause is CertificateException) {

   available record (e.g. a mailing list archive or a public IRC logger), please include a link.
 * Any additional information that may be helpful.

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personally. The committee will then review the incident, follow up with any additional questions,
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