Update Resolver when Using a Proxy (Azure#18053)

Author: alzimmermsft

sdk/core/azure-core-http-netty/src/main/java/com/azure/core/http/netty/NettyAsyncHttpClientBuilder.java

@@ -131,10 +131,12 @@ public com.azure.core.http.HttpClient build() {
                      * Configure the request Channel to be initialized with a ProxyHandler. The ProxyHandler is the
                      * first operation in the pipeline as it needs to handle sending a CONNECT request to the proxy
                      * before any request data is sent.
+                     *
+                     * And in addition to adding the ProxyHandler update the Bootstrap resolver for proxy support.
                      */
-                    tcpClient = tcpClient.bootstrap(bootstrap -> BootstrapHandlers.updateConfiguration(bootstrap,
-                        NettyPipeline.ProxyHandler, new DeferredHttpProxyProvider(handler, proxyChallengeHolder,
-                            buildProxyOptions)));
+                    tcpClient = tcpClient.bootstrap(bootstrap -> BootstrapHandlers.updateResolverForProxySupport(
+                        BootstrapHandlers.updateConfiguration(bootstrap, NettyPipeline.ProxyHandler,
+                            new DeferredHttpProxyProvider(handler, proxyChallengeHolder, buildProxyOptions))));
                 } else {
                     tcpClient = tcpClient.proxy(proxy ->
                         proxy.type(toReactorNettyProxyType(buildProxyOptions.getType(), logger))

sdk/core/azure-core-http-netty/src/main/java/module-info.java

@@ -7,12 +7,13 @@
     requires transitive com.azure.core;
     requires reactor.netty;
     requires io.netty.buffer;
-    requires io.netty.common;
-    requires io.netty.transport;
-    requires io.netty.handler;
     requires io.netty.codec;
     requires io.netty.codec.http;
+    requires io.netty.common;
+    requires io.netty.handler;
     requires io.netty.handler.proxy;
+    requires io.netty.resolver;
+    requires io.netty.transport;
 
     exports com.azure.core.http.netty;