Error calling url from DefaultHttpClient

I'm creating an app on Android and consuming a ws that is in a hosting 1 & 1 problem I have is that when I run my sentence always the error that can not find the document however if I copy and paste I get the url to which I am calling in an explore returns me the correct data.

Any ideas?

    try {
        // defaultHttpClient
        HttpClient httpClient = new DefaultHttpClient();
        HttpPost httpPost = new HttpPost(url);

        HttpResponse httpResponse = httpClient.execute(httpPost);
        HttpEntity httpEntity = httpResponse.getEntity();
        is = httpEntity.getContent();

    } catch (IOException e) {
        e.printStackTrace();
    }

Error:

Your browser can't find the document corresponding to the URL you typed in.