Fix request id to be generated each time

azure-client-runtime/src/main/java/com/microsoft/azure/AzureEnvironment.java

@@ -84,7 +84,9 @@ public String getBaseUrl() {
      * @return a builder for the rest client.
      */
     public RestClient.Builder newRestClientBuilder() {
-        return new RestClient.Builder(baseURL).withMapperAdapter(new AzureJacksonMapperAdapter());
+        return new RestClient.Builder(baseURL)
+                .withInterceptor(new RequestIdHeaderInterceptor())
+                .withMapperAdapter(new AzureJacksonMapperAdapter());
     }
 
     /**

azure-client-runtime/src/main/java/com/microsoft/azure/AzureServiceClient.java

@@ -17,6 +17,7 @@
 public abstract class AzureServiceClient extends ServiceClient {
     protected AzureServiceClient(String baseUrl) {
         this(new RestClient.Builder(baseUrl)
+                .withInterceptor(new RequestIdHeaderInterceptor())
                 .withMapperAdapter(new AzureJacksonMapperAdapter()).build());
     }
 

azure-client-runtime/src/main/java/com/microsoft/azure/RequestIdHeaderInterceptor.java

@@ -0,0 +1,29 @@
+/**
+ *
+ * Copyright (c) Microsoft Corporation. All rights reserved.
+ * Licensed under the MIT License. See License.txt in the project root for license information.
+ *
+ */
+
+package com.microsoft.azure;
+
+import okhttp3.Interceptor;
+import okhttp3.Request;
+import okhttp3.Response;
+
+import java.io.IOException;
+import java.util.UUID;
+
+/**
+ * An instance of this class puts an UUID in the request header. Azure uses
+ * the request id as the unique identifier for
+ */
+public class RequestIdHeaderInterceptor implements Interceptor {
+    @Override
+    public Response intercept(Chain chain) throws IOException {
+        Request request = chain.request().newBuilder()
+                .header("x-ms-client-request-id", UUID.randomUUID().toString())
+                .build();
+        return chain.proceed(request);
+    }
+}

client-runtime/src/main/java/com/microsoft/rest/RestClient.java

@@ -168,7 +168,6 @@ public Builder(String baseUrl, OkHttpClient.Builder httpClientBuilder, Retrofit.
             // Set up OkHttp client
             this.httpClientBuilder = httpClientBuilder
                     .cookieJar(new JavaNetCookieJar(cookieManager))
-                    .addInterceptor(new RetryHandler())
                     .addInterceptor(new UserAgentInterceptor());
             // Set up rest adapter
             this.retrofitBuilder = retrofitBuilder.baseUrl(baseUrl);
@@ -256,6 +255,7 @@ public RestClient build() {
             OkHttpClient httpClient = httpClientBuilder
                     .addInterceptor(baseUrlHandler)
                     .addInterceptor(customHeadersInterceptor)
+                    .addInterceptor(new RetryHandler())
                     .build();
             return new RestClient(httpClient,
                     retrofitBuilder