fun noAttemptToReadResponseIfLoadingRequestBodyIsSourceOfFailure() {
    server.enqueue(MockResponse(body = "abc"))

    val requestBody =
      object : RequestBody() {
        override fun contentType(): MediaType? = null

        override fun writeTo(sink: BufferedSink) {
          throw IOException("boom") // Despite this exception, 'sink' is healthy.
        }
      }

    val callA =
      client.newCall(

import java.util.concurrent.atomic.AtomicReference
import kotlin.test.assertFailsWith
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.junit5.StartStop
import okhttp3.MediaType.Companion.toMediaTypeOrNull
import okhttp3.TestUtil.repeat
import okhttp3.testing.Flaky
import okio.BufferedSink
import org.junit.jupiter.api.Tag
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.Timeout

 * limitations under the License.
 */
package okhttp3.recipes.kt

import java.io.IOException
import okhttp3.HttpUrl.Companion.toHttpUrl
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.OkHttpClient
import okhttp3.Request
import okhttp3.RequestBody
import okio.BufferedSink

class PostStreaming {
  private val client = OkHttpClient()

  fun run() {

    return response.body().string();
  }
}
```


Post to a Server
----------------

This program posts data to a service. [Full source][post_example].

```java
public static final MediaType JSON = MediaType.get("application/json");

OkHttpClient client = new OkHttpClient();

String post(String url, String json) throws IOException {
  RequestBody body = RequestBody.create(json, JSON);

import okhttp3.CallEvent.RequestFailed
import okhttp3.CallEvent.ResponseFailed
import okhttp3.DelegatingServerSocketFactory
import okhttp3.DelegatingSocketFactory
import okhttp3.EventRecorder
import okhttp3.MediaType
import okhttp3.OkHttpClient
import okhttp3.OkHttpClientTestRule
import okhttp3.Protocol.HTTP_1_1
import okhttp3.Request
import okhttp3.RequestBody
import okhttp3.SimpleProvider

import assertk.assertions.isEmpty
import assertk.assertions.isEqualTo
import java.io.IOException
import kotlin.test.assertFailsWith
import okhttp3.CompressionInterceptor
import okhttp3.Gzip
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.Protocol
import okhttp3.Request
import okhttp3.Response
import okhttp3.ResponseBody.Companion.toResponseBody
import okio.ByteString
import okio.ByteString.Companion.EMPTY

import assertk.assertions.isEqualTo
import assertk.assertions.isNull
import java.io.FileDescriptor
import java.io.FileInputStream
import java.io.IOException
import java.nio.file.Path
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.RequestBody.Companion.asRequestBody
import okhttp3.RequestBody.Companion.toRequestBody
import okio.Buffer
import okio.FileSystem
import okio.Path.Companion.toOkioPath

import java.net.UnknownHostException
import java.util.Arrays
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.junit5.StartStop
import okhttp3.HttpUrl
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.OkHttpClient
import okhttp3.OkHttpClientTestRule
import okhttp3.Protocol
import okhttp3.Request
import okhttp3.RequestBody.Companion.toRequestBody
import okhttp3.Response

import assertk.assertions.isNull
import com.squareup.zstd.okio.zstdCompress
import java.io.IOException
import kotlin.test.assertFailsWith
import okhttp3.CompressionInterceptor
import okhttp3.Gzip
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.Protocol
import okhttp3.Request
import okhttp3.Response
import okhttp3.ResponseBody.Companion.toResponseBody
import okio.Buffer
import okio.ByteString

import assertk.assertions.isNull
import java.io.EOFException
import java.net.ProtocolException
import kotlin.test.assertFailsWith
import okhttp3.Headers.Companion.headersOf
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.MediaType.Companion.toMediaTypeOrNull
import okhttp3.RequestBody.Companion.toRequestBody
import okhttp3.ResponseBody.Companion.toResponseBody
import okio.Buffer
import okio.BufferedSink