Question

My android application used to be able to connect to the Facebook server via the API, but now it won’t for some reason. I keep on getting this message in my log cat

D/Facebook-authorize(417): Login failed: com.facebook.android.DialogError: The connection to the server was unsuccessful.

Ive read many stack overflow questions regarding this, without answer. I am hoping someone can help me with this. Thank you!

Here is some of my code with my App ID edited out

public class BreadcrumbsActivity extends Activity {

static Facebook facebook = new Facebook("*************");
String FILENAME = "AndroidSSO_data";
static SharedPreferences mPrefs;

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);

    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
    /*
     * Get existing access_token if any
     */
    mPrefs = getPreferences(MODE_PRIVATE);
    String access_token = mPrefs.getString("access_token", null);
    long expires = mPrefs.getLong("access_expires", 0);
    if(access_token != null) {
        facebook.setAccessToken(access_token);
    }
    if(expires != 0) {
        facebook.setAccessExpires(expires);           
    }

    /*
     * Only call authorize if the access_token has expired.
     */
    if(!facebook.isSessionValid()) {

        facebook.authorize(this, new String[] {"user_likes", "user_photos", "email", "offline_access", "publish_actions"}, new DialogListener() {
            @Override
            public void onComplete(Bundle values) {
                SharedPreferences.Editor editor = mPrefs.edit();
                editor.putString("access_token", facebook.getAccessToken());
                editor.putLong("access_expires", facebook.getAccessExpires());
                editor.commit();

                Toast.makeText(getApplicationContext(),
                        "Login Succesful.",
                        Toast.LENGTH_LONG).show();

                Intent intent = new Intent(BreadcrumbsActivity.this, MainMenu.class);                   
                BreadcrumbsActivity.this.startActivity(intent);
            }

            @Override
            public void onFacebookError(FacebookError error) {
                Toast.makeText(getApplicationContext(),
                        "Login Failed.",
                        Toast.LENGTH_LONG).show();

                Intent intent = new Intent(BreadcrumbsActivity.this, MainMenu.class);                   
                BreadcrumbsActivity.this.startActivity(intent);
            }

            @Override
            public void onError(DialogError e) {}

            @Override
            public void onCancel() {}
        });
    }
}


@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);

    facebook.authorizeCallback(requestCode, resultCode, data);
}

}

Answer 1

Error- 417 Expectation Failed

The 417 status code means that the server was unable to properly
complete the request. One of the headers sent to the server, the
“Expect” header, indicated an expectation the server could not meet.