java.lang.IllegalArgumentException：发出 https 请求时索引 7 处的非法字符

Question

While making http request to my local wamp server from android emulator I got above error.

// testing on Emulator:
private static final String LOGIN_URL="http:// 10.0.2.2:80/webservice/login.php";

//request:
JSONObject json = jsonParser.makeHttpRequest(LOGIN_URL, "POST", params);

Answer 1

You have a space at index 7 of your string LOGIN_URL and it is causing the exception. It should be like this.

LOGIN_URL = "http://10.0.2.2:80/webservice/login.php"

Answer 2

I found the answer:
After googling for couple of hours I found that this kind of error occur due to problem in url
I had extra space in my URL which I removed and I got everything working

    // testing on Emulator:
    private static final String LOGIN_URL = "http://10.0.2.2:80/webservice/login.php";

Answer 3

For me it was a new line character at the end of the url String. It wasn't really visible to the naked eye but I caught it with Vi. Pretty dumb error message, not at all helpful.