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Thread: Can't form a simple POST or GET http request. No data returns.

  1. #1
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    Question Can't form a simple POST or GET http request. No data returns.

    Hi,
    I'm having problems forming an http request in java.
    Here's what I do:

    I've got a simple php (java.php) file on my apache server, here's it's code:
    <?php
    	$post_var = $_POST['post_var'];
    	if (!isset($post_var)) $post_var = $_GET['post_var'];
    	if ($post_var == 1) echo "works";
    	else echo $post_var . ": post_var";
    ?>
    If I do this request:
    http://warfarex.com/java.php?post_var=1
    from browser, I get "works" output. The same if I send POST or GET request from a ActionScript 3 client.
    But Java keeps on giving me this:

    : post_var
    So, as you can see, it's the output of an "else" block.

    And finally, here is the Java code I use to make these requests:

    String request = "?post_var=1";
    URL url = new URL("http://warfarex.com/java.php");
    URLConnection connection = url.openConnection();
    connection.setDoOutput(true);
    OutputStreamWriter outputStreamWriter = new OutputStreamWriter(connection.getOutputStream());
    outputStreamWriter.write(request);
    outputStreamWriter.flush();
    System.out.println(request);
     
    BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
    String response;
    while ((response = bufferedReader.readLine()) != null) {
    	System.out.println(response);
    }
    outputStreamWriter.close();
    bufferedReader.close();

    What's wrong with this code?

    regards, Konstantin.
    Last edited by goodguy; May 29th, 2011 at 05:36 AM.


  2. #2
    Junior Member
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    Default Re: Can't form a simple POST or GET http request. No data returns.

    I've just found the problem myself.
    It was the question mark in my request string.
    This request:
    String request = "post_var=1";
    will work as a charm

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