# Failed to read response: Received "" for read request body

**URL:** <https://forum.codecrafters.io/t/failed-to-read-response-received-for-read-request-body/1230>\
**Category:** Challenges\
**Tags:** challenge:http-server\
**Created:** [July 31, 2024, 8:54pm UTC](https://forum.codecrafters.io/t/failed-to-read-response-received-for-read-request-body/1230 "2024-07-31T20:54:59Z")\
**Posts on this page:** 4\
**Page:** 1

<div class="post-metadata">

**Author:** ![Gautham-Sathya](https://yyz1.discourse-cdn.com/flex003/user_avatar/forum.codecrafters.io/gautham-sathya/32/1143_2.png) [@Gautham-Sathya](https://forum.codecrafters.io/u/Gautham-Sathya)\
**Post date:** [July 31, 2024, 8:54pm UTC](https://forum.codecrafters.io/t/failed-to-read-response-received-for-read-request-body/1230/1 "2024-07-31T20:54:59Z")

</div>

I’m stuck on Stage #QC6.

I’ve tried debugging by seeing what the file path is when creating a file and seeing where the code halts. I believe the file path is correct after checking with other code examples.  
Here are my logs:  
remote: [compile] Compilation successful.  
remote:  
remote: [tester::#QV8] Running tests for Stage #QV8 (Read request body)  
remote: [tester::#QV8] $ ./your\_program.sh --directory /tmp/data/codecrafters.io/http-server-tester/  
remote: [your\_program] Logs from your program will appear here!  
remote: [tester::#QV8] $ curl -v -X POST [http://localhost:4221/files/pear\_orange\_grape\_pear](http://localhost:4221/files/pear_orange_grape_pear) -H “Content-Leth: 64” -H “Content-Type: application/octet-stream” -d ‘pineapple blueberry apple grape pineapple blueberrgrape banana’  
remote: [your\_program] accepted new connection  
remote: [tester::#QV8] Failed to read response:  
remote: [tester::#QV8] Received: “” (no content received)  
remote: [tester::#QV8] ^ error  
remote: [tester::#QV8] Error: Expected: HTTP-version, Received: “”  
remote: [tester::#QV8] Test failed (try setting ‘debug: true’ in your l to see more details  
remote: [your\_program] String:POST /files/pear\_orange\_grape\_pear HTTP/1.1Host: localhost:4221Content-Lengt 64Content-Type: application/octet-streampineapple blueberry apple grape pineapple blueberry grape banana  
remote: [your\_program] body: pineapple blueberry apple grape pineapple blueberry grape banana  
remote:  
remote: Try our CLI to run tests faster without Git:  
remote:  
remote: View our article on debugging test failures:  
remote:

```auto

```

And here’s my code:

java

import java.net.ServerSocket;  
import java.net.Socket;  
import java.util.concurrent._;  
import javax.management.RuntimeErrorException;  
import [java.io](http://java.io)._;  
import java.nio.file.\*;;

public class Main {

private final int port;  
private final ExecutorService executorService;  
private final String directory;  
public Main(int port, int concurrency,String directory)  
{  
this.port = port;  
this.executorService = Executors.newFixedThreadPool(concurrency);  
this.directory = directory;  
}

public void run()  
{  
System.out.println(“Logs from your program will appear here!”);

```
ServerSocket serverSocket = null;

try {
   serverSocket = new ServerSocket(port);

  // Since the tester restarts your program quite often, setting SO_REUSEADDR
  // ensures that we don't run into 'Address already in use' errors
 

  serverSocket.setReuseAddress(true);

  //receive connection
  while(true){
  final Socket clientSocket = serverSocket.accept(); // Wait for connection from client.
  System.out.println("accepted new connection");
 
  //handle request
   
    executorService.submit(() -> handleReq(clientSocket));
 
 
  //response
 
  }  
} catch (IOException e) {
  System.out.println("IOException: " + e.getMessage());
}

```

}

private void handleReq(Socket clientSocket)  
{  
try{

```
final InputStream input = clientSocket.getInputStream();
boolean gotFile = false;
byte[] fileBytes = null;
final OutputStream outputStream = clientSocket.getOutputStream();
final InputStreamReader reade = new InputStreamReader(input);
  final BufferedReader reader = new BufferedReader(reade);

```

int l = 0;

```
  //System.out.println(reader.readLine());
String s = reader.readLine();
while(reader.ready())
  {
    s+=reader.readLine();
  }
  System.out.println("String:" + s);
  String outString = "HTTP/1.1 404 Not Found\r\n\r\n";
 
  //System.out.println(s.substring(0,4));
 
 
  if(s.substring(0, 4).equalsIgnoreCase("POST"))//read and write data sent to server
  {
   
  String body = s.substring(s.indexOf("application/octet-stream")+24);
  System.out.println("body: " + body);
  System.out.println(directory+"/"+s.substring(12, s.substring(12).indexOf(" ")+12));
  String fileName = directory+"/"+s.substring(12, s.substring(12).indexOf(" ")+12);
  System.out.println(fileName);
    File file = new File(fileName);
    if (file.createNewFile()) {
      System.out.println("created");
      FileWriter fileWriter = new FileWriter(file);
      fileWriter.write(body);
      fileWriter.close();
    System.out.println("finished file creation");
    outputStream.write("HTTP/1.1 201 Created\r\n\r\n".getBytes());}
   else
    outputStream.write("HTTP/1.1 404 Not Found\r\n\r\n".getBytes());
    outputStream.flush();
    outputStream.close();
 
  return;
    }
    
 
  
else if(s.charAt(5)==' ') // / url path
    outString = "HTTP/1.1 200 OK\r\n\r\n";

else if(s.substring(5, 9).equals("echo")) //echo string
    {
      String echoString ="";
      for(int i = 10; i<s.length(); i++)
      {
        if(s.charAt(i)==' ')
        break;
        echoString+=s.charAt(i);
      }
      System.out.println(echoString);
      outString = "HTTP/1.1 200 OK\r\nContent-Type: text/plain\r\nContent-Length: "+echoString.length()+"\r\n\r\n" + echoString;
    }

else if(s.substring(5, 15).equals("user-agent")) //user-agent header
    {
      String headerString = "";
      int startIndex = s.indexOf("User-Agent:");
      for(int i = startIndex+12; i<s.length(); i++)
      {
        if(s.charAt(i)=='\r')
        break;
        headerString+=s.charAt(i);
        //System.out.println(s.charAt(i)); //for debugging
      }
      System.out.println(headerString);
      System.out.println(headerString.length());
      outString = "HTTP/1.1 200 OK\r\nContent-Type: text/plain\r\nContent-Length: "+headerString.length()+"\r\n\r\n"+headerString ;
    }
    else if(s.substring(5, 10).equals("files")) //files header
    {
      //get file name
      String fileString = "";
      int startIndex = s.indexOf("/files/");
      for(int i = startIndex+7; i<s.length(); i++)
      {
        if(s.charAt(i)==' ')
        break;
        fileString+=s.charAt(i);
        //System.out.println(s.charAt(i));
      }

      //get file path
      Path filePath = Paths.get(directory, fileString);
     
      System.out.println(directory+fileString);
        if(Files.exists(filePath ))
         {
           gotFile = true;
            fileBytes = Files.readAllBytes(filePath);
            outString = "HTTP/1.1 200 OK\r\nContent-Type: application/octet-stream\r\nContent-Length: "+fileBytes.length+"\r\n\r\n" ;

        }
        else
        {
        outString = "HTTP/1.1 404 Not Found\r\n\r\n";
        }
      System.out.println(fileString);
      System.out.println(fileString.length());
    }

    System.out.println(l);

    System.out.println("outstrinf: " + outString);
    outputStream.write(outString.getBytes());

    if(gotFile)
    outputStream.write(fileBytes);
    //outputStream.flush();
  }
  catch(IOException e)
  {
    throw new RuntimeException(e);
  }

```

}

public static void main(String args) {  
// You can use print statements as follows for debugging, they’ll be visible when running tests.  
String directory = null;  
if(args.length==2 && args[0].equalsIgnoreCase(“–directory”))  
directory = args[1];

```
Main server = new Main(4221,10,directory);

server.run();

```

}  
}

---

<div class="post-metadata">

**Author:** ![andy1li](https://yyz1.discourse-cdn.com/flex003/user_avatar/forum.codecrafters.io/andy1li/32/10_2.png) [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Post date:** [October 4, 2024, 2:47am UTC](https://forum.codecrafters.io/t/failed-to-read-response-received-for-read-request-body/1230/2 "2024-10-04T02:47:38Z")

</div>

@Gautham-Sathya Just checking, do you still need any assistance on this?

---

<div class="post-metadata">

**Author:** ![andy1li](https://yyz1.discourse-cdn.com/flex003/user_avatar/forum.codecrafters.io/andy1li/32/10_2.png) [@andy1li](https://forum.codecrafters.io/u/andy1li)\
**Post date:** [October 11, 2024, 7:08am UTC](https://forum.codecrafters.io/t/failed-to-read-response-received-for-read-request-body/1230/3 "2024-10-11T07:08:36Z")

</div>

Closing this thread due to inactivity. If you still need assistance, feel free to reopen or start a new discussion!

---

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**Author:** ![system](https://canada1.discourse-cdn.com/flex003/uploads/codecrafters/original/3X/7/0/700657133935c15703e22c7c8870394f6e6dc27d.svg) [@system](https://forum.codecrafters.io/u/system)\
**Post date:** [October 16, 2024, 7:09am UTC](https://forum.codecrafters.io/t/failed-to-read-response-received-for-read-request-body/1230/4 "2024-10-16T07:09:22Z")

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