output: #fixed code
                                  public HttpResponse execute() throws Exception {
          StringBuilder requestBody = new StringBuilder();
          if (request.getEntity() != null) {
              String content = ObjectMapperSingleton.getContext(request.getEntity().getClass()).writer().writeValueAsString(request.getEntity());
              requestBody.append(content);
  
          } else if (request.hasJson()) {
              requestBody.append(request.getJson());
          }
  
          try {
              connection.setRequestMethod(request.getMethod().name());
              if (requestBody.length() > 0) {
                  System.out.println(requestBody.toString());
                  connection.setDoOutput(true);
                  BufferedOutputStream out = new BufferedOutputStream(connection.getOutputStream());
                  out.write(requestBody.toString().getBytes());
                  out.flush();
              }
              byte[] data = ByteStreams.toByteArray(connection.getInputStream());
              System.out.println(new String(data));
              return HttpResponseImpl.wrap(connection.getHeaderFields(),
                      connection.getResponseCode(), connection.getResponseMessage(),
                      data);
  
          } catch (IOException ex) {
              ex.printStackTrace();
              throw ex;
          } finally {
              connection.disconnect();
          }
  
      }
input: #vulnerable code 
                                  public HttpResponse execute() throws Exception {
          StringBuilder requestBody = new StringBuilder();
          if (request.getEntity() != null) {
              String content = ObjectMapperSingleton.getContext(request.getEntity().getClass()).writer().writeValueAsString(request.getEntity());
              requestBody.append(content);
  
          } else if (request.hasJson()) {
              requestBody.append(request.getJson());
          }
  
          StringBuilder contentBuilder = new StringBuilder();
          BufferedReader in = null;
          try {
              connection.setRequestMethod(request.getMethod().name());
              if (requestBody.length() > 0) {
                  System.out.println(requestBody.toString());
                  connection.setDoOutput(true);
                  BufferedOutputStream out = new BufferedOutputStream(connection.getOutputStream());
                  out.write(requestBody.toString().getBytes());
                  out.flush();
              }
  
              in = new BufferedReader(new InputStreamReader(
                      connection.getInputStream()));
              String inputLine;
  
              while ((inputLine = in.readLine()) != null) {
                  contentBuilder.append(inputLine);
              }
  
          } catch (IOException ex) {
              ex.printStackTrace(System.out);
  
              in = new BufferedReader(new InputStreamReader(
                      connection.getErrorStream()));
              String inputLine;
  
              while ((inputLine = in.readLine()) != null) {
                  contentBuilder.append(inputLine);
              }
  
          } finally {
              if (in != null) {
                  in.close();
              }
          }
  
          HttpResponseImpl responseImpl
                  = HttpResponseImpl.wrap(connection.getHeaderFields(),
                          connection.getResponseCode(), connection.getResponseMessage(),
                          connection.getInputStream());
  
          connection.disconnect();
          return responseImpl;
      } 
                              #location 35 
                              #vulnerability type RESOURCE_LEAK