Help!help!help!

at java.lang.Thread.run(Unknown Source)
2009.08.25 11:48:52 [org.jivesoftware.openfire.session.LocalOutgoingServerSession.createOutgoingSes sion(LocalOutgoingServerSession.java:259)] Error trying to connect to remote server: jabber.org(DNS lookup: jabber.org:5269)
java.net.UnknownHostException: jabber.org
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at org.jivesoftware.openfire.session.LocalOutgoingServerSession.createOutgoingSess ion(LocalOutgoingServerSession.java:254)
at org.jivesoftware.openfire.session.LocalOutgoingServerSession.authenticateDomain (LocalOutgoingServerSession.java:185)
at org.jivesoftware.openfire.server.OutgoingSessionPromise$PacketsProcessor.sendPa cket(OutgoingSessionPromise.java:215)
at org.jivesoftware.openfire.server.OutgoingSessionPromise$PacketsProcessor.run(Ou tgoingSessionPromise.java:194)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
2009.08.25 11:50:30 [org.jivesoftware.openfire.session.LocalOutgoingServerSession.createOutgoingSes sion(LocalOutgoingServerSession.java:259)] Error trying to connect to remote server: proxy.jabber.org(DNS lookup: proxy.jabber.org:5269)
java.net.UnknownHostException: proxy.jabber.org
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at org.jivesoftware.openfire.session.LocalOutgoingServerSession.createOutgoingSess ion(LocalOutgoingServerSession.java:254)
at org.jivesoftware.openfire.session.LocalOutgoingServerSession.authenticateDomain (LocalOutgoingServerSession.java:144)
at org.jivesoftware.openfire.server.OutgoingSessionPromise$PacketsProcessor.sendPa cket(OutgoingSessionPromise.java:215)
at org.jivesoftware.openfire.server.OutgoingSessionPromise$PacketsProcessor.run(Ou tgoingSessionPromise.java:194)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
2009.08.25 11:51:53 [org.jivesoftware.openfire.session.LocalOutgoingServerSession.createOutgoingSes sion(LocalOutgoingServerSession.java:259)] Error trying to connect to remote server: jabber.org(DNS lookup: jabber.org:5269)
java.net.UnknownHostException: jabber.org
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at org.jivesoftware.openfire.session.LocalOutgoingServerSession.createOutgoingSess ion(LocalOutgoingServerSession.java:254)
at org.jivesoftware.openfire.session.LocalOutgoingServerSession.authenticateDomain (LocalOutgoingServerSession.java:185)
at org.jivesoftware.openfire.server.OutgoingSessionPromise$PacketsProcessor.sendPa cket(OutgoingSessionPromise.java:215)
at org.jivesoftware.openfire.server.OutgoingSessionPromise$PacketsProcessor.run(Ou tgoingSessionPromise.java:194)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
2009.08.25 11:53:12 [org.jivesoftware.util.log.util.CommonsLogFactory$1.error(CommonsLogFactory.jav a:88)] Line=19 The content of element type “dwr” must match “(init?,allow?,signatures?)”.
2009.08.25 11:53:15 [org.jivesoftware.openfire.session.LocalOutgoingServerSession.createOutgoingSes sion(LocalOutgoingServerSession.java:259)] Error trying to connect to remote server: proxy.jabber.org(DNS lookup: proxy.jabber.org:5269)
java.net.UnknownHostException: proxy.jabber.org
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at org.jivesoftware.openfire.session.LocalOutgoingServerSession.createOutgoingSess ion(LocalOutgoingServerSession.java:254)
at org.jivesoftware.openfire.session.LocalOutgoingServerSession.authenticateDomain (LocalOutgoingServerSession.java:144)
at org.jivesoftware.openfire.server.OutgoingSessionPromise$PacketsProcessor.sendPa cket(OutgoingSessionPromise.java:215)
at org.jivesoftware.openfire.server.OutgoingSessionPromise$PacketsProcessor.run(Ou tgoingSessionPromise.java:194)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)

why??help me! Thanks!

This looks like a problem in the network setup of the host that runs Openfire. Is it connected to the internet? Does it have a proper DNS configuration? What happens if you try to ping jabber.org from a command line?

Thank you very much !
yes! It’s connected to the internet.