How can I send the message to openfire client user from openfire server

Hi!

I want send a message to openfire client user from openfire server.

I try

JID jid = XMPPServer.getInstance().createJID(“abc”, null);

XMPPServer.getInstance().getSessionManager().sendServerMessage(jid, null, message);

but I don’t receive any message from “abc” user

can you give me a sample or point the Problems

thank you!