Неверный запрос 400 при поиске пользователя в openfire

Я пытаюсь найти пользователя в открытом огне.

public void searchUser(String username) {
        UserSearchManager userSearchManager = new UserSearchManager(
                xmppConnection);
        Form searchForm;
        try {

            searchForm = userSearchManager.getSearchForm("search."
                    + xmppConnection.getServiceName());

            Form answerForm = searchForm.createAnswerForm();
            answerForm.setAnswer("Username", true);

            answerForm.setAnswer("search", username);

            org.jivesoftware.smackx.ReportedData data = userSearchManager
                    .getSearchResults(answerForm,
                            "search." + xmppConnection.getServiceName());

            if (data.getRows() != null) {
                Iterator<Row> it = data.getRows();
                while (it.hasNext()) {
                    Row row = it.next();
                    Iterator<?> iterator = row.getValues("jid");
                    if (iterator.hasNext()) {
                        String value = iterator.next().toString();
                        System.out.println(value);
                    }

                }

            }
        } catch (XMPPException e) {
            e.printStackTrace();
        }
    }

Есть несколько похожих тем, поэтому я последовал за ними и добавил этого диспетчера провайдеров перед подключением.

public void getProviderManager(ProviderManager providerManager) {

        // Private Data Storage
        providerManager.addIQProvider("query", "jabber:iq:private",
                new PrivateDataManager.PrivateDataIQProvider());

        // Time
        try {
            providerManager.addIQProvider("query", "jabber:iq:time",
                    Class.forName("org.jivesoftware.smackx.packet.Time"));
        } catch (ClassNotFoundException e) {
            Log.w("TestClient",
                    "Can't load class for org.jivesoftware.smackx.packet.Time");
        }

        // Roster Exchange
        providerManager.addExtensionProvider("x", "jabber:x:roster",
                new RosterExchangeProvider());

        // Message Events
        providerManager.addExtensionProvider("x", "jabber:x:event",
                new MessageEventProvider());

        // Chat State
        providerManager.addExtensionProvider("active",
                "http://jabber.org/protocol/chatstates",
                new ChatStateExtension.Provider());
        providerManager.addExtensionProvider("composing",
                "http://jabber.org/protocol/chatstates",
                new ChatStateExtension.Provider());
        providerManager.addExtensionProvider("paused",
                "http://jabber.org/protocol/chatstates",
                new ChatStateExtension.Provider());
        providerManager.addExtensionProvider("inactive",
                "http://jabber.org/protocol/chatstates",
                new ChatStateExtension.Provider());
        providerManager.addExtensionProvider("gone",
                "http://jabber.org/protocol/chatstates",
                new ChatStateExtension.Provider());

        // XHTML
        providerManager.addExtensionProvider("html",
                "http://jabber.org/protocol/xhtml-im",
                new XHTMLExtensionProvider());

        // Group Chat Invitations
        providerManager.addExtensionProvider("x", "jabber:x:conference",
                new GroupChatInvitation.Provider());

        // Service Discovery # Items
        providerManager.addIQProvider("query",
                "http://jabber.org/protocol/disco#items",
                new DiscoverItemsProvider());

        // Service Discovery # Info
        providerManager.addIQProvider("query",
                "http://jabber.org/protocol/disco#info",
                new DiscoverInfoProvider());

        // Data Forms
        providerManager.addExtensionProvider("x", "jabber:x:data",
                new DataFormProvider());

        // MUC User
        providerManager.addExtensionProvider("x",
                "http://jabber.org/protocol/muc#user", new MUCUserProvider());

        // MUC Admin
        providerManager.addIQProvider("query",
                "http://jabber.org/protocol/muc#admin", new MUCAdminProvider());

        // MUC Owner
        providerManager.addIQProvider("query",
                "http://jabber.org/protocol/muc#owner", new MUCOwnerProvider());

        // Delayed Delivery
        providerManager.addExtensionProvider("x", "jabber:x:delay",
                new DelayInformationProvider());

        // Version
        try {
            providerManager.addIQProvider("query", "jabber:iq:version",
                    Class.forName("org.jivesoftware.smackx.packet.Version"));
        } catch (ClassNotFoundException e) {
            // Not sure what's happening here.
        }

        // VCard
        providerManager.addIQProvider("vCard", "vcard-temp",
                new VCardProvider());

        // Offline Message Requests
        providerManager.addIQProvider("offline",
                "http://jabber.org/protocol/offline",
                new OfflineMessageRequest.Provider());

        // Offline Message Indicator
        providerManager.addExtensionProvider("offline",
                "http://jabber.org/protocol/offline",
                new OfflineMessageInfo.Provider());

        // Last Activity
        providerManager.addIQProvider("query", "jabber:iq:last",
                new LastActivity.Provider());

        // User Search
        providerManager.addIQProvider("query", "jabber:iq:search",
                new UserSearch.Provider());

        // SharedGroupsInfo
        providerManager.addIQProvider("sharedgroup",
                "http://www.jivesoftware.org/protocol/sharedgroup",
                new SharedGroupsInfo.Provider());

        // JEP-33: Extended Stanza Addressing
        providerManager.addExtensionProvider("addresses",
                "http://jabber.org/protocol/address",
                new MultipleAddressesProvider());

        // FileTransfer
        providerManager.addIQProvider("si", "http://jabber.org/protocol/si",
                new StreamInitiationProvider());

        providerManager.addIQProvider("query",
                "http://jabber.org/protocol/bytestreams",
                new BytestreamsProvider());

        // Privacy
        providerManager.addIQProvider("query", "jabber:iq:privacy",
                new PrivacyProvider());
        providerManager.addIQProvider("command",
                "http://jabber.org/protocol/commands",
                new AdHocCommandDataProvider());
        providerManager.addExtensionProvider("malformed-action",
                "http://jabber.org/protocol/commands",
                new AdHocCommandDataProvider.MalformedActionError());
        providerManager.addExtensionProvider("bad-locale",
                "http://jabber.org/protocol/commands",
                new AdHocCommandDataProvider.BadLocaleError());
        providerManager.addExtensionProvider("bad-payload",
                "http://jabber.org/protocol/commands",
                new AdHocCommandDataProvider.BadPayloadError());
        providerManager.addExtensionProvider("bad-sessionid",
                "http://jabber.org/protocol/commands",
                new AdHocCommandDataProvider.BadSessionIDError());
        providerManager.addExtensionProvider("session-expired",
                "http://jabber.org/protocol/commands",
                new AdHocCommandDataProvider.SessionExpiredError());

    }

Тем не менее я получаю

12-07 01:14:58.027: W/System.err(1591): bad-request(400)
12-07 01:14:58.037: W/System.err(1591):     at org.jivesoftware.smackx.search.UserSearch.getSearchForm(UserSearch.java:84)
12-07 01:14:58.037: W/System.err(1591):     at org.jivesoftware.smackx.search.UserSearchManager.getSearchForm(UserSearchManager.java:73)
12-07 01:14:58.037: W/System.err(1591):     at com.afinity.core.chat.ChatManager.searchUser(ChatManager.java:107)
12-07 01:14:58.037: W/System.err(1591):     at com.afinity.chat.ui.Activity.<init>(Activity.java:19)
12-07 01:14:58.037: W/System.err(1591):     at java.lang.Class.newInstanceImpl(Native Method)
12-07 01:14:58.047: W/System.err(1591):     at java.lang.Class.newInstance(Class.java:1208)
12-07 01:14:58.047: W/System.err(1591):     at android.app.Instrumentation.newActivity(Instrumentation.java:1061)
12-07 01:14:58.047: W/System.err(1591):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2093)
12-07 01:14:58.047: W/System.err(1591):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2226)
12-07 01:14:58.047: W/System.err(1591):     at android.app.ActivityThread.access$700(ActivityThread.java:135)
12-07 01:14:58.047: W/System.err(1591):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1397)
12-07 01:14:58.047: W/System.err(1591):     at android.os.Handler.dispatchMessage(Handler.java:102)
12-07 01:14:58.047: W/System.err(1591):     at android.os.Looper.loop(Looper.java:137)
12-07 01:14:58.047: W/System.err(1591):     at android.app.ActivityThread.main(ActivityThread.java:4998)
12-07 01:14:58.047: W/System.err(1591):     at java.lang.reflect.Method.invokeNative(Native Method)
12-07 01:14:58.047: W/System.err(1591):     at java.lang.reflect.Method.invoke(Method.java:515)
12-07 01:14:58.047: W/System.err(1591):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:777)
12-07 01:14:58.047: W/System.err(1591):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:593)
12-07 01:14:58.047: W/System.err(1591):     at dalvik.system.NativeStart.main(Native Method)