A couple of times today, Spark has caused this Exception in Openfire
2011.07.01 15:08:46 Rejecting packet. JID malformed
java.lang.IllegalArgumentException: Existing at-character at the first character of the string indicates that an empty node part is provided. This is illegal.
at org.xmpp.packet.JID.getParts(JID.java:579)
at org.xmpp.packet.Packet.(Packet.java:93)
at org.xmpp.packet.IQ.(IQ.java:105)
at org.jivesoftware.openfire.net.StanzaHandler.getIQ(StanzaHandler.java:319)
at org.jivesoftware.openfire.net.StanzaHandler.process(StanzaHandler.java:277)
at org.jivesoftware.openfire.net.StanzaHandler.process(StanzaHandler.java:194)
I have been unable to recreate it, but both times it occurred when I was in the Add Contact dialog. The packet that was sent to the server was this.
My host is atacama
