diff --git a/pom.xml b/pom.xml
index a78af89..a406b19 100644
--- a/pom.xml
+++ b/pom.xml
@@ -12,8 +12,8 @@
     <version>1.0</version>
     <packaging>jar</packaging>
     <properties>
-        <maven.compiler.source>17</maven.compiler.source>
-        <maven.compiler.target>17</maven.compiler.target>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
     <dependencies>
diff --git a/src/main/java/ru/molokoin/sourceListener/HttpClient.java b/src/main/java/ru/molokoin/sourceListener/HttpClient.java
deleted file mode 100644
index 766c927..0000000
--- a/src/main/java/ru/molokoin/sourceListener/HttpClient.java
+++ /dev/null
@@ -1,57 +0,0 @@
-package ru.molokoin.sourceListener;
-import java.net.*;
-import java.io.*;
- 
-/**
- * This program demonstrates a client socket application that connects to
- * a web server and send a HTTP HEAD request.
- *
- * @author www.codejava.net
- */
-public class HttpClient {
-    URL url;
- 
-    public static void main(String[] args) {
-        HttpClient cli = new HttpClient();
-        try {
-            cli.url = new URL("http://www.molokoin.ru");
-        } catch (MalformedURLException ex) {
-            ex.printStackTrace();
-            return;
-        }
- 
-        String hostname = cli.url.getHost();
-        int port = 3000;
- 
-        try (Socket socket = new Socket(hostname, port)) {
- 
-            OutputStream output = socket.getOutputStream();
-            PrintWriter writer = new PrintWriter(output, true);
- 
-            writer.println("HEAD " + cli.url.getPath() + " HTTP/1.1");
-            writer.println("Host: " + hostname);
-            writer.println("User-Agent: Simple Http Client");
-            writer.println("Accept: text/html");
-            writer.println("Accept-Language: en-EN");
-            writer.println("Connection: close");
-            writer.println();
- 
-            InputStream input = socket.getInputStream();
- 
-            BufferedReader reader = new BufferedReader(new InputStreamReader(input));
- 
-            String line;
- 
-            while ((line = reader.readLine()) != null) {
-                System.out.println(line);
-            }
-        } catch (UnknownHostException ex) {
- 
-            System.out.println("Server not found: " + ex.getMessage());
- 
-        } catch (IOException ex) {
- 
-            System.out.println("I/O error: " + ex.getMessage());
-        }
-    }
-}
diff --git a/src/main/java/ru/molokoin/sourceListener/SourceListener.java b/src/main/java/ru/molokoin/sourceListener/SourceListener.java
index b83bfc9..d729cde 100644
--- a/src/main/java/ru/molokoin/sourceListener/SourceListener.java
+++ b/src/main/java/ru/molokoin/sourceListener/SourceListener.java
@@ -1,20 +1,29 @@
 package ru.molokoin.sourceListener;
 
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+
 public class SourceListener {
     
     public static void main(String[] args) {
-        HttpClient client = HttpClient.newBuilder()
-        .version(Version.HTTP_1_1)
-        .followRedirects(Redirect.NORMAL)
-        .connectTimeout(Duration.ofSeconds(20))
-        .proxy(ProxySelector.of(new InetSocketAddress("www.ya.ru", 80)))
-        .authenticator(Authenticator.getDefault())
-        .build();
-        
- 
-HttpResponse<String> response = client.send("GET", BodyHandlers.ofString());
-System.out.println(response.statusCode());
-System.out.println(response.body()); 
+        HttpClient client = HttpClient.newHttpClient();
+        HttpRequest request = HttpRequest.newBuilder()
+                .uri(URI.create("http://molokoin.ru:3000/esoe/molokoin-client"))
+                .GET() // GET is default
+                .build();
+
+        try {
+            HttpResponse<String> response = client.send(request,
+                HttpResponse.BodyHandlers.ofString());
+            System.out.println(response.statusCode());
+            System.out.println(response.headers());
+            System.out.println(response.body());
+        } catch (Exception e) {
+            System.out.println(e.getMessage());
+        }
+                
     }
     
 }
diff --git a/target/classes/ru/molokoin/sourceListener/HttpClient.class b/target/classes/ru/molokoin/sourceListener/HttpClient.class
deleted file mode 100644
index b98227d..0000000
Binary files a/target/classes/ru/molokoin/sourceListener/HttpClient.class and /dev/null differ
diff --git a/target/classes/ru/molokoin/sourceListener/SourceListener.class b/target/classes/ru/molokoin/sourceListener/SourceListener.class
index ef803fe..fe756fd 100644
Binary files a/target/classes/ru/molokoin/sourceListener/SourceListener.class and b/target/classes/ru/molokoin/sourceListener/SourceListener.class differ