connection.calls.add(CallReference(this, callStackTrace))
  }

  /**
   * Releases resources held with the request or response of [exchange]. This should be called when
   * the request completes normally or when it fails due to an exception, in which case [e] should
   * be non-null.
   *
   * If the exchange was canceled or timed out, this will wrap [e] in an exception that provides

 *  Upgrade: [Kotlin 1.8.21][kotlin_1_8_21].


## Version 4.11.0

_2023-04-22_

 *  Fix: Don't fail the call when the response code is ‘HTTP 102 Processing’ or
    ‘HTTP 103 Early Hints’.
 *  Fix: Read the response even if writing the request fails. This means you'll get a proper HTTP
    response even if the server rejects your request body.

  internal fun connectFailed(
    client: OkHttpClient,
    failedRoute: Route,
    failure: IOException,
  ) {
    // Tell the proxy selector when we fail to connect on a fresh connection.
    if (failedRoute.proxy.type() != Proxy.Type.DIRECT) {
      val address = failedRoute.address
      address.proxySelector.connectFailed(
        address.url.toUri(),

 *  Fix: Don't crash if Conscrypt returns a null version.
 *  Fix: Include the public suffix data as a resource in GraalVM native images.
 *  Fix: Fail fast when the cache is corrupted.
 *  Fix: Fail fast when a private key cannot be encoded.
 *  Fix: Fail fast when attempting to verify a non-ASCII hostname.
 *  Upgrade: [GraalVM 21][graalvm_21].
 *  Upgrade: [Kotlin 1.4.20][kotlin_1_4_20].


## Version 5.0.0-alpha.1

      ) ?: return null

    // If we coalesced our connection, remember the replaced connection's route. That way if the
    // coalesced connection later fails we don't waste a valid route.
    if (planToReplace != null) {
      nextRouteToTry = planToReplace.route
      planToReplace.closeQuietly()
    }

    connectionUser.connectionAcquired(result)

        acceptConnections()
      } catch (e: Throwable) {
        logger.log(Level.WARNING, "$this failed unexpectedly", e)
      }

      // Release all sockets and all threads, even if any close fails.
      serverSocket?.closeQuietly()

      val openClientSocket = openClientSockets.iterator()
      while (openClientSocket.hasNext()) {
        openClientSocket.next().closeQuietly()

import okhttp3.testing.PlatformRule
import okio.Buffer
import okio.ByteString.Companion.decodeHex
import okio.Path.Companion.toPath
import okio.fakefilesystem.FakeFileSystem
import org.junit.jupiter.api.Assertions.fail
import org.junit.jupiter.api.BeforeEach
import org.junit.jupiter.api.Tag
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.extension.RegisterExtension

@Tag("Slowish")
class DnsOverHttpsTest {

 *    we must send a `CONNECT` request, and handle authorization challenges from the proxy.
 *  * Optional [TLS handshake][connectTls].
 *
 * Each step may fail. If a retry is possible, a new instance is created with the next plan, which
 * will be configured differently.
 */
class ConnectPlan(
  private val taskRunner: TaskRunner,
  private val connectionPool: RealConnectionPool,

import okhttp3.logging.HttpLoggingInterceptor.Level
import okhttp3.testing.PlatformRule
import okio.Buffer
import okio.BufferedSink
import okio.ByteString.Companion.decodeBase64
import org.junit.jupiter.api.Assertions.fail
import org.junit.jupiter.api.Assumptions
import org.junit.jupiter.api.BeforeEach
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.extension.RegisterExtension

class HttpLoggingInterceptorTest {

      // The cache candidate wasn't applicable. Close it.
      cacheCandidate.body.closeQuietly()
    }

    // If we're forbidden from using the network and the cache is insufficient, fail.
    if (networkRequest == null && cacheResponse == null) {
      return Response.Builder()
        .request(chain.request())
        .protocol(Protocol.HTTP_1_1)
        .code(HTTP_GATEWAY_TIMEOUT)