Android HTC Sense - Http Request/ Response exception

Question

Working on the emulator, but when I am trying on an HTC Sense, i have got an exception on the last line of this code

url = new URL(urlString);
connection = (HttpURLConnection)url.openConnection();
connection.setRequestMethod("POST");
connection.setRequestProperty("Content-Type", 
                "application/json; charset=utf-8");

//Send request
Gson requestGson = new Gson();          
OutputStream wr = connection.getOutputStream();

The exception is java.net.ProtocolException: Does not support output for the connection.getOutputStream();

I am testing on API 10, Gingerbread on an HTC Sense (remote debugging).

anyone has encountered this problem before?

Thanks. David.

Are you still having this problem? Or is that part of this question? Or...? — Cat
– Cat, Commented Oct 18, 2012 at 20:39
Updated description... still having the problem I am afraid! — l_ingenu
– l_ingenu, Commented Oct 18, 2012 at 20:44

Community · Accepted Answer · 2017-05-23 11:52:09Z

1

Try calling setDoOutput(true). It is needed for POST requests. The first part of your code would change to look like this:

connection = (HttpURLConnection)url.openConnection();
connection.setRequestMethod("POST");
connection.setRequestProperty("Content-Type", 
            "application/json; charset=utf-8");
connection.setDoOutput(true);

Source: https://groups.google.com/forum/?fromgroups=#!topic/android-developers/2aEYpsZEMvs

See also this other StackOverflow answer: What exactly does URLConnection.setDoOutput() affect?

edited May 23, 2017 at 11:52

CommunityBot

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answered Oct 22, 2012 at 3:33

louielouie

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