use apache client

build.gradle

@@ -28,7 +28,7 @@ apply plugin: 'application'
 
 group 'com.kmlabz.k8s'
 version '0.0.1'
-mainClassName = "io.ktor.server.jetty.EngineMain"
+mainClassName = "io.ktor.server.tomcat.EngineMain"
 
 sourceSets {
     main.kotlin.srcDirs = main.java.srcDirs = ['src']
@@ -44,11 +44,11 @@ repositories {
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
-    implementation "io.ktor:ktor-server-jetty:$ktor_version"
+    implementation "io.ktor:ktor-server-tomcat:$ktor_version"
     implementation "ch.qos.logback:logback-classic:$logback_version"
     implementation "io.ktor:ktor-client-core:$ktor_version"
     implementation "io.ktor:ktor-client-core-jvm:$ktor_version"
-    implementation "io.ktor:ktor-client-jetty:$ktor_version"
+    implementation "io.ktor:ktor-client-apache:$ktor_version"
     implementation "io.ktor:ktor-client-json-jvm:$ktor_version"
     implementation "io.ktor:ktor-client-gson:$ktor_version"
     implementation 'org.eclipse.paho:org.eclipse.paho.client.mqttv3:1.2.5'

src/Application.kt

@@ -4,8 +4,7 @@ import com.google.gson.Gson
 import com.google.gson.GsonBuilder
 import io.ktor.application.*
 import io.ktor.client.*
-import io.ktor.client.engine.jetty.*
+import io.ktor.client.engine.apache.*
-import io.ktor.client.features.json.*
 import io.ktor.client.request.*
 import io.ktor.client.request.forms.*
 import io.ktor.http.*
@@ -14,17 +13,12 @@ import io.ktor.util.*
 import kotlinx.coroutines.*
 import java.io.File
 
-fun main(args: Array<String>): Unit = io.ktor.server.jetty.EngineMain.main(args)
+fun main(args: Array<String>): Unit = io.ktor.server.tomcat.EngineMain.main(args)
 
 @KtorExperimentalAPI
 @Suppress("unused") // Referenced in application.conf
 @kotlin.jvm.JvmOverloads
 fun Application.module(testing: Boolean = false) {
-    val client = HttpClient(Jetty) {
-        install(JsonFeature) {
-            serializer = GsonSerializer()
-        }
-    }
     runBlocking {
         val cachedFile = File("/app/wave.wav").readBytes()
         val gson = GsonBuilder().setPrettyPrinting().create()
@@ -35,7 +29,8 @@ fun Application.module(testing: Boolean = false) {
 
 @KtorExperimentalAPI
 suspend fun uploadData(currIteration: Int, gson: Gson, inputSound: ByteArray) {
-    HttpClient(Jetty).use { client ->
+    HttpClient(Apache).use { client ->
+
         val parts: List<PartData> = formData {
             val headersBuilder = HeadersBuilder()
             headersBuilder[HttpHeaders.ContentType] = "audio/wave"