Maybe this error log would help:
2008.01.03 21:33:13 org.jivesoftware.openfire.nio.ConnectionHandler.exceptionCaught(ConnectionHandle r.java:109)
java.lang.NoClassDefFoundError: sun/security/pkcs11/SunPKCS11
at org.jivesoftware.smack.ConnectionConfiguration.<init>(ConnectionConfigura tion.java:60)
at org.jivesoftware.openfire.gateway.protocols.xmpp.XMPPSession.<init>(XMPPS ession.java:81)
at org.jivesoftware.openfire.gateway.protocols.xmpp.XMPPTransport.registrationLogg edIn(XMPPTransport.java:87)
at org.jivesoftware.openfire.gateway.BaseTransport.processPacket(BaseTransport.jav a:397)
at org.jivesoftware.openfire.gateway.BaseTransport.processPacket(BaseTransport.jav a:198)
at org.jivesoftware.openfire.component.InternalComponentManager$RoutableComponent. process(InternalComponentManager.java:497)
at org.jivesoftware.openfire.spi.RoutingTableImpl.routePacket(RoutingTableImpl.jav a:234)
at org.jivesoftware.openfire.roster.Roster.broadcastPresence(Roster.java:587)
at org.jivesoftware.openfire.handler.PresenceUpdateHandler.broadcastUpdate(Presenc eUpdateHandler.java:281)
at org.jivesoftware.openfire.handler.PresenceUpdateHandler.process(PresenceUpdateH andler.java:122)
at org.jivesoftware.openfire.handler.PresenceUpdateHandler.process(PresenceUpdateH andler.java:110)
at org.jivesoftware.openfire.handler.PresenceUpdateHandler.process(PresenceUpdateH andler.java:174)
at org.jivesoftware.openfire.PresenceRouter.handle(PresenceRouter.java:133)
at org.jivesoftware.openfire.PresenceRouter.route(PresenceRouter.java:69)
at org.jivesoftware.openfire.spi.PacketRouterImpl.route(PacketRouterImpl.java:75)
at org.jivesoftware.openfire.net.StanzaHandler.processPresence(StanzaHandler.java: 321)
at org.jivesoftware.openfire.net.ClientStanzaHandler.processPresence(ClientStanzaH andler.java:84)
at org.jivesoftware.openfire.net.StanzaHandler.process(StanzaHandler.java:245)
at org.jivesoftware.openfire.net.StanzaHandler.process(StanzaHandler.java:167)
at org.jivesoftware.openfire.nio.ConnectionHandler.messageReceived(ConnectionHandl er.java:132)
at org.apache.mina.common.support.AbstractIoFilterChain$TailFilter.messageReceived (AbstractIoFilterChain.java:570)
at org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(Ab stractIoFilterChain.java:299)
at org.apache.mina.common.support.AbstractIoFilterChain.access$1100(AbstractIoFilt erChain.java:53)
at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceive d(AbstractIoFilterChain.java:648)
at org.apache.mina.filter.codec.support.SimpleProtocolDecoderOutput.flush(SimplePr otocolDecoderOutput.java:58)
at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecF ilter.java:173)
at org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(Ab stractIoFilterChain.java:299)
at org.apache.mina.common.support.AbstractIoFilterChain.access$1100(AbstractIoFilt erChain.java:53)
at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceive d(AbstractIoFilterChain.java:648)
at org.apache.mina.filter.executor.ExecutorFilter.processEvent(ExecutorFilter.java :239)
at org.apache.mina.filter.executor.ExecutorFilter$ProcessEventsRunnable.run(Execut orFilter.java:283)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java: 650)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
at java.lang.Thread.run(Thread.java:595)