Problem with HttpURLConnection

[Tom Kowalski]

I have got strange problem,

I have got one servlet, which creates a file on my hard drive. It's working just fine, when I write http://localhost:8080/WI/Tester in webbrowser its creating this file.

I have got another servlet, which is making HttpURLConnection to the first servlet. But the first servlet doesnt create this file then, could somebody tell my why?

here is code:

URL url = new URL("http://localhost:8080/WI/Tester");
HttpURLConnection connection = (HttpURLConnection)url.openConnection();
connection.connect();

I don't het any exception or anything...

Thanks...

[Deepak Bala]

Tomasz Stachlewski wrote:I have got strange problem,

I have got one servlet, which creates a file on my hard drive. It's working just fine, when I write http://localhost:8080/WI/Tester in webbrowser its creating this file.

I have got another servlet, which is making HttpURLConnection to the first servlet. But the first servlet doesnt create this file then, could somebody tell my why?

here is code:

URL url = new URL("http://localhost:8080/WI/Tester");
HttpURLConnection connection = (HttpURLConnection)url.openConnection();
connection.connect();

I don't het any exception or anything...

Thanks...

It is probably calling doGet of the servlet and you have written your code in doPost. You can check that by writing log statements

[Tom Kowalski]

No, problem is not here, I had doGet in firstServlet, but it didnt work, so I even replace it and Override service method. Here is the code:

    @Override
    public void service(ServletRequest req, ServletResponse res) throws ServletException, IOException {
       doGet((HttpServletRequest)req,(HttpServletResponse)res);
    }

@Override
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {

        ServletContext context = this.getServletContext();
        String filePath = context.getRealPath("WEB-INF/oceny/pppppppp.txt");
        PrintWriter wr = new PrintWriter(new FileWriter(filePath));

        wr.println("OK");
        wr.close();
    }

But it is still not working. I was even trying to connect to this from normal Java Application, but still nothing...

    public static void main(String[] args) {

        try{
            URL url = new URL("http://localhost:8080/WI/Tester");
            HttpURLConnection connection = (HttpURLConnection)url.openConnection();
            connection.connect();
        } catch (Exception e) {
            e.printStackTrace();
        }
        System.out.println("end");
    }

I really don't know why... It should be so simple...

[Deepak Bala]

Open the input stream and read the response. That will establish the connection

[Tom Kowalski]

Heh, It's working, it turned out, that I should use connection.connect() but connection.getResponseCode() ... Strange :P But it's working, thanks anyway.