Http client that supports SSL protocol with "unrecognized_name" warning http://bugs.java.com/bugdatabase/view_bug.do?bug_id=7127374 http://stackoverflow.com/questions/7615645/ssl-handshake-alert-unrecognized-name-error-since-upgrade-to-java-1-7-0

SniHttpClientConnectionOperator.java

SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(buildTrustAllSSLContext(), NoopHostnameVerifier.INSTANCE);
Registry<ConnectionSocketFactory> socketFactoryRegistry = RegistryBuilder.<ConnectionSocketFactory>create().register("http", PlainConnectionSocketFactory.getSocketFactory()).register("https", sslsf).build();
HttpClientConnectionManager cm = new PoolingHttpClientConnectionManager(new DefaultHttpClientConnectionOperator(socketFactoryRegistry, null, null), null, -1, TimeUnit.MILLISECONDS);
HttpClientBuilder clientBuilder = HttpClients.custom();
clientBuilder.setConnectionManager(cm);

class SniHttpClientConnectionOperator extends DefaultHttpClientConnectionOperator {

		class SniSSLSocketFactory extends SSLConnectionSocketFactory {

			public static final String ENABLE_SNI = "__enable_sni__";

			/*
             * Implement any constructor you need for your particular application -
             * SSLConnectionSocketFactory has many variants
             */
			public SniSSLSocketFactory(final SSLContext sslContext, final HostnameVerifier verifier) {
				super(sslContext, verifier);
			}

			@Override
			public Socket createLayeredSocket(
					final Socket socket,
					final String target,
					final int port,
					final HttpContext context) throws IOException {
				Boolean enableSniValue = (Boolean) context.getAttribute(ENABLE_SNI);
				boolean enableSni = enableSniValue == null || enableSniValue;
				return super.createLayeredSocket(socket, enableSni ? target : "", port, context);
			}
		}

		public SniHttpClientConnectionOperator(Lookup<ConnectionSocketFactory> socketFactoryRegistry) {
			super(socketFactoryRegistry, null, null);
		}

		@Override
		public void connect(
				final ManagedHttpClientConnection conn,
				final HttpHost host,
				final InetSocketAddress localAddress,
				final int connectTimeout,
				final SocketConfig socketConfig,
				final HttpContext context) throws IOException {
			try {
				super.connect(conn, host, localAddress, connectTimeout, socketConfig, context);
			} catch (SSLProtocolException e) {
				Boolean enableSniValue = (Boolean) context.getAttribute(SniSSLSocketFactory.ENABLE_SNI);
				boolean enableSni = enableSniValue == null || enableSniValue;
				if (enableSni && e.getMessage() != null && e.getMessage().equals("handshake alert:  unrecognized_name")) {
					traza.warn("Server received saw wrong SNI host, retrying without SNI");
					context.setAttribute(SniSSLSocketFactory.ENABLE_SNI, false);
					super.connect(conn, host, localAddress, connectTimeout, socketConfig, context);
				} else {
					throw e;
				}
			}
		}
	}