What does this mean? why am I getting them?
2007.04.13 13:27:24 Invalid presence show
java.lang.IllegalArgumentException: No enum const class org.xmpp.packet.Presence$Show.
at java.lang.Enum.valueOf(Unknown Source)
at org.xmpp.packet.Presence$Show.valueOf(Presence.java:377)
at org.xmpp.packet.Presence.getShow(Presence.java:136)
at org.jivesoftware.wildfire.net.StanzaHandler.process(StanzaHandler.java:210)
at org.jivesoftware.wildfire.net.StanzaHandler.process(StanzaHandler.java:147)
at org.jivesoftware.wildfire.nio.ConnectionHandler.messageReceived(ConnectionHandl er.java:131)
at org.apache.mina.common.support.AbstractIoFilterChain$TailFilter.messageReceived (AbstractIoFilterChain.java:703)
at org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(Ab stractIoFilterChain.java:362)
at org.apache.mina.common.support.AbstractIoFilterChain.access$1100(AbstractIoFilt erChain.java:54)
at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceive d(AbstractIoFilterChain.java:800)
at org.apache.mina.filter.codec.support.SimpleProtocolDecoderOutput.flush(SimplePr otocolDecoderOutput.java:62)
at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecF ilter.java:192)
at org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(Ab stractIoFilterChain.java:362)
at org.apache.mina.common.support.AbstractIoFilterChain.access$1100(AbstractIoFilt erChain.java:54)
at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceive d(AbstractIoFilterChain.java:800)
at org.apache.mina.filter.executor.ExecutorFilter.processEvent(ExecutorFilter.java :250)
at org.apache.mina.filter.executor.ExecutorFilter$ProcessEventsRunnable.run(Execut orFilter.java:305)
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)
2007.04.13 13:30:07 Invalid presence show
java.lang.IllegalArgumentException: No enum const class org.xmpp.packet.Presence$Show.
at java.lang.Enum.valueOf(Unknown Source)
at org.xmpp.packet.Presence$Show.valueOf(Presence.java:377)
at org.xmpp.packet.Presence.getShow(Presence.java:136)
at org.jivesoftware.wildfire.net.StanzaHandler.process(StanzaHandler.java:210)
at org.jivesoftware.wildfire.net.StanzaHandler.process(StanzaHandler.java:147)
at org.jivesoftware.wildfire.nio.ConnectionHandler.messageReceived(ConnectionHandl er.java:131)
at org.apache.mina.common.support.AbstractIoFilterChain$TailFilter.messageReceived (AbstractIoFilterChain.java:703)
at org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(Ab stractIoFilterChain.java:362)
at org.apache.mina.common.support.AbstractIoFilterChain.access$1100(AbstractIoFilt erChain.java:54)
at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceive d(AbstractIoFilterChain.java:800)
at org.apache.mina.filter.codec.support.SimpleProtocolDecoderOutput.flush(SimplePr otocolDecoderOutput.java:62)
at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecF ilter.java:192)
at org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(Ab stractIoFilterChain.java:362)
at org.apache.mina.common.support.AbstractIoFilterChain.access$1100(AbstractIoFilt erChain.java:54)
at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceive d(AbstractIoFilterChain.java:800)
at org.apache.mina.filter.executor.ExecutorFilter.processEvent(ExecutorFilter.java :250)
at org.apache.mina.filter.executor.ExecutorFilter$ProcessEventsRunnable.run(Execut orFilter.java:305)
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)