There are also the following logs in the error part. I dont know if this helps
Last packet sent to the server was 1 ms ago.
at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:2757)
at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:2650)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1581)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1695)
at com.mysql.jdbc.Connection.execSQL(Connection.java:3004)
at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1128)
at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1222)
at org.jivesoftware.wildfire.PrivateStorage.add(PrivateStorage.java:108)
at org.jivesoftware.wildfire.handler.IQPrivateHandler.handleIQ(IQPrivateHandler.ja va:75)
at org.jivesoftware.wildfire.handler.IQHandler.process(IQHandler.java:48)
at org.jivesoftware.wildfire.IQRouter.handle(IQRouter.java:268)
at org.jivesoftware.wildfire.IQRouter.route(IQRouter.java:96)
at org.jivesoftware.wildfire.spi.PacketRouterImpl.route(PacketRouterImpl.java:67)
at org.jivesoftware.wildfire.net.SocketReader.processIQ(SocketReader.java:250)
at org.jivesoftware.wildfire.net.ClientSocketReader.processIQ(ClientSocketReader.j ava:51)
at org.jivesoftware.wildfire.net.SocketReader.process(SocketReader.java:216)
at org.jivesoftware.wildfire.net.BlockingReadingMode.readStream(BlockingReadingMod e.java:156)
at org.jivesoftware.wildfire.net.BlockingReadingMode.run(BlockingReadingMode.java: 62)
at org.jivesoftware.wildfire.net.SocketReader.run(SocketReader.java:123)
at java.lang.Thread.run(Unknown Source)
at com.mysql.jdbc.Connection.checkClosed(Connection.java:1844)
at com.mysql.jdbc.Connection.prepareStatement(Connection.java:4306)
at com.mysql.jdbc.Connection.prepareStatement(Connection.java:4272)
at org.jivesoftware.database.AbstractConnection.prepareStatement(AbstractConnectio n.java:36)
at org.jivesoftware.wildfire.user.User.updateProperty(User.java:462)
at org.jivesoftware.wildfire.user.User.access$200(User.java:40)
at org.jivesoftware.wildfire.user.User$PropertiesMap.put(User.java:344)
at org.jivesoftware.wildfire.spi.PresenceManagerImpl.userUnavailable(PresenceManag erImpl.java:176)
at org.jivesoftware.wildfire.handler.PresenceUpdateHandler.process(PresenceUpdateH andler.java:122)
at org.jivesoftware.wildfire.handler.PresenceUpdateHandler.process(PresenceUpdateH andler.java:153)
at org.jivesoftware.wildfire.PresenceRouter.handle(PresenceRouter.java:92)
at org.jivesoftware.wildfire.PresenceRouter.route(PresenceRouter.java:61)
at org.jivesoftware.wildfire.spi.PacketRouterImpl.route(PacketRouterImpl.java:75)
at org.jivesoftware.wildfire.net.SocketReader.processPresence(SocketReader.java:29 9)
at org.jivesoftware.wildfire.net.ClientSocketReader.processPresence(ClientSocketRe ader.java:57)
at org.jivesoftware.wildfire.net.SocketReader.process(SocketReader.java:193)
at org.jivesoftware.wildfire.net.BlockingReadingMode.readStream(BlockingReadingMod e.java:156)
at org.jivesoftware.wildfire.net.BlockingReadingMode.run(BlockingReadingMode.java: 62)
at org.jivesoftware.wildfire.net.SocketReader.run(SocketReader.java:123)
at java.lang.Thread.run(Unknown Source)