Update Facebook status issue(Java)

[Dlonphata]

I m trying simple program to update FB status, but its giving me error, This is what i m trying ...\[code\]public class SendtoFacebook {public static void main(String a[]) throws FacebookException { SendtoFacebook sfb = new SendtoFacebook(); sfb.send("From My App: Rohan's App");}public void send(String message) throws FacebookException { String FB_APP_API_KEY = new String("461632878708096"); String FB_APP_SECRET = new String("5513aa2b99879879897ff0fa5a7a"); String FB_SESSION_KEY = ""; FacebookJsonRestClient facebook = new FacebookJsonRestClient(FB_APP_API_KEY, FB_APP_SECRET); //FacebookJsonRestClient facebookClient2 = (FacebookJsonRestClient)facebook.getFacebookRestClient(); FacebookJsonRestClient facebookClient = (FacebookJsonRestClient) facebook; facebookClient.stream_publish(message, null, null, null, null); System.out.println("successfully updated");}\[/code\]}And m getting this error_ Exception in thread "main" com.google.code.facebookapi.FacebookException: parameters uid or session key required at com.google.code.facebookapi.JsonHelper.parseCallResult(JsonHelper.java:59) at com.google.code.facebookapi.ExtensibleClient.extractString(ExtensibleClient.java:2296) at com.google.code.facebookapi.ExtensibleClient.stream_publish(ExtensibleClient.java:2150) at com.google.code.facebookapi.SpecificReturnTypeAdapter.stream_publish(SpecificReturnTypeAdapter.java:503) at socialdemo.SendtoFacebook.send(SendtoFacebook.java:31) at socialdemo.SendtoFacebook.main(SendtoFacebook.java:19)Is any buddy knw about this?plz.. n thanx.