Java POST request to ASP.NET fails, C# works -

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i have asp.net web api2 application controller has:

    public class licensecontroller : apicontroller     {         [route("license")]         [httppost]         public xmldocument postlicense([frombody] xmldocument inputstream)         {             xmldocument doc = new xmldocument();             doc.loadxml("<root/>");             return doc;         } }

and if post c# app, receives request , returns "root/>":

        static void main(string[] args)         {             string xml = "<david><shirley/></david>";              uri httpsite = new uri(phonehomeuri + "/license");             webrequest wreq = webrequest.create(httpsite);             wreq.usedefaultcredentials = true;             wreq.preauthenticate = true;             wreq.credentials = credentialcache.defaultcredentials;             wreq.method = "post";             wreq.contenttype = "text/xml";              stream request = wreq.getrequeststream();             byte[] bytearray = encoding.utf8.getbytes(xml);             request.write(bytearray, 0, bytearray.length);             httpwebresponse response = (httpwebresponse) wreq.getresponse();              stream receivestream = response.getresponsestream();             encoding encode = system.text.encoding.getencoding("utf-8");             streamreader readstream = new streamreader(receivestream, encode);             string s = readstream.readtoend(); }

but when try same thing in java (below), while "" returns correctly, inputstream parameter in "[frombody] xmldocument inputstream" null.

httpurlconnection urlconnection = (httpurlconnection) new url(phonehomeuri + "/license").openconnection(); urlconnection.setdooutput(true); urlconnection.setdoinput(true); urlconnection.setchunkedstreamingmode(0); urlconnection.setrequestmethod("post"); urlconnection.setrequestproperty("accept-charset", "utf-8"); urlconnection.setrequestproperty("content-type", "text/xml");  outputstreamwriter writer = new outputstreamwriter(urlconnection.getoutputstream(), "utf-8"); writer.write(xml); writer.flush();   inputstream result = urlconnection.getinputstream();

i've tried changing lots of settings on java code makes call. why not getting xml posted web app controller?

thanks - dave


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