i am using shared groups
here is the error log
at org.jivesoftware.messenger.roster.Roster.broadcastPresence(Roster.java:389)
at org.jivesoftware.messenger.handler.PresenceUpdateHandler.broadcastUpdate(Presen ceUpdateHandler.java:234)
at org.jivesoftware.messenger.handler.PresenceUpdateHandler.process(PresenceUpdate Handler.java:93)
at org.jivesoftware.messenger.handler.PresenceUpdateHandler.process(PresenceUpdate Handler.java:137)
at org.jivesoftware.messenger.PresenceRouter.handle(PresenceRouter.java:86)
at org.jivesoftware.messenger.PresenceRouter.route(PresenceRouter.java:59)
at org.jivesoftware.messenger.PacketRouter.route(PacketRouter.java:90)
at org.jivesoftware.messenger.net.SocketReadThread.readStream(SocketReadThread.jav a:198)
at org.jivesoftware.messenger.net.SocketReadThread.run(SocketReadThread.java:109)
2005.02.22 12:28:40 [org.jivesoftware.messenger.handler.IQRosterHandler.handleIQ(IQRosterHandler.ja va:111)
] Internal server error
java.lang.NullPointerException
at org.jivesoftware.messenger.roster.Roster.deleteRosterItem(Roster.java:302)
at org.jivesoftware.messenger.handler.IQRosterHandler.removeItem(IQRosterHandler.j ava:219)
at org.jivesoftware.messenger.handler.IQRosterHandler.manageRoster(IQRosterHandler .java:181)
at org.jivesoftware.messenger.handler.IQRosterHandler.handleIQ(IQRosterHandler.jav a:97)
at org.jivesoftware.messenger.handler.IQHandler.process(IQHandler.java:48)
at org.jivesoftware.messenger.IQRouter.handle(IQRouter.java:192)
at org.jivesoftware.messenger.IQRouter.route(IQRouter.java:74)
at org.jivesoftware.messenger.PacketRouter.route(PacketRouter.java:78)
at org.jivesoftware.messenger.PacketRouter.route(PacketRouter.java:69)
at org.jivesoftware.messenger.handler.IQRosterHandler.removeItem(IQRosterHandler.j ava:232)
at org.jivesoftware.messenger.handler.IQRosterHandler.manageRoster(IQRosterHandler .java:181)
at org.jivesoftware.messenger.handler.IQRosterHandler.handleIQ(IQRosterHandler.jav a:97)
at org.jivesoftware.messenger.handler.IQHandler.process(IQHandler.java:48)
at org.jivesoftware.messenger.IQRouter.handle(IQRouter.java:192)
at org.jivesoftware.messenger.IQRouter.route(IQRouter.java:74)
at org.jivesoftware.messenger.PacketRouter.route(PacketRouter.java:78)
at org.jivesoftware.messenger.net.SocketReadThread.readStream(SocketReadThread.jav a:207)
at org.jivesoftware.messenger.net.SocketReadThread.run(SocketReadThread.java:109)
2005.02.22 15:05:24 [org.jivesoftware.messenger.net.SocketConnection.deliver(SocketConnection.java: 182)
]
java.net.SocketException: Connection reset by peer: socket write error
at java.net.SocketOutputStream.socketWrite0(Native Method)
at java.net.SocketOutputStream.socketWrite(Unknown Source)
at java.net.SocketOutputStream.write(Unknown Source)
at sun.nio.cs.StreamEncoder$CharsetSE.writeBytes(Unknown Source)
at sun.nio.cs.StreamEncoder$CharsetSE.implFlushBuffer(Unknown Source)
at sun.nio.cs.StreamEncoder$CharsetSE.implFlush(Unknown Source)
at sun.nio.cs.StreamEncoder.flush(Unknown Source)
at java.io.OutputStreamWriter.flush(Unknown Source)
at java.io.BufferedWriter.flush(Unknown Source)
at org.dom4j.io.XMLWriter.flush(XMLWriter.java:244)
at org.jivesoftware.messenger.net.SocketConnection.deliver(SocketConnection.java:1 79)
at org.jivesoftware.messenger.spi.SessionImpl.deliver(SessionImpl.java:234)
at org.jivesoftware.messenger.spi.SessionImpl.process(SessionImpl.java:228)
at org.jivesoftware.messenger.PresenceRouter.route(PresenceRouter.java:66)
at org.jivesoftware.messenger.PacketRouter.route(PacketRouter.java:90)
at org.jivesoftware.messenger.net.SocketReadThread.readStream(SocketReadThread.jav a:198)
at org.jivesoftware.messenger.net.SocketReadThread.run(SocketReadThread.java:109)