Internal Server Error [duplicate]

Answer 1

Here is solution for this:

How to do a HTTP Post in Android?

Answer 2

That's definitely looks like server-side error, not android problem. Look at server log files.

The way you're setting parameters to request looks weird, try setting parameters like this:

    HttpPost post = new HttpPost("url of my site");
    BasicHttpParams basicHttpParams = new BasicHttpParams();
    basicHttpParams.setParameter("username", "vikaspatidar");
    basicHttpParams.setParameter("password", "patidar");
    post.setParams(basicHttpParams);
    //...