I have recieved a lot of log entries matching this below:
2007.03.15 10:27:47 [org.jivesoftware.wildfire.handler.IQvCardHandler.handleIQ(IQvCardHandler.java: 91)
]
java.lang.UnsupportedOperationException: VCard provider is read-only.
at org.jivesoftware.wildfire.vcard.VCardManager.setVCard(VCardManager.java:122)
at org.jivesoftware.wildfire.handler.IQvCardHandler.handleIQ(IQvCardHandler.java:8 2)
at org.jivesoftware.wildfire.handler.IQHandler.process(IQHandler.java:48)
at org.jivesoftware.wildfire.IQRouter.handle(IQRouter.java:300)
at org.jivesoftware.wildfire.IQRouter.route(IQRouter.java:104)
at org.jivesoftware.wildfire.spi.PacketRouterImpl.route(PacketRouterImpl.java:67)
at org.jivesoftware.wildfire.net.StanzaHandler.processIQ(StanzaHandler.java:283)
at org.jivesoftware.wildfire.net.ClientStanzaHandler.processIQ(ClientStanzaHandler .java:79)
at org.jivesoftware.wildfire.net.StanzaHandler.process(StanzaHandler.java:248)
at org.jivesoftware.wildfire.net.StanzaHandler.process(StanzaHandler.java:147)
at org.jivesoftware.wildfire.nio.ConnectionHandler.messageReceived(ConnectionHandl er.java:126)
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:186)
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)
My question is, how do I prevent it? How do I identify the offender?