slave error

INFO 23 Apr 2008 22:55:18 [WrapperSimpleAppMain] org.drftpd.slave.Slave  - Connecting to master at /2xxxx:99
DEBUG 23 Apr 2008 22:55:18 [Listening for slave connections - org.drftpd.master.SlaveManager@723d7c] org.drftpd.master.SlaveManager  - Slave connected from
 /2xxxx:53316
INFO 23 Apr 2008 22:55:18 [WrapperSimpleAppMain] org.drftpd.slave.Slave  - slave.root.1: /home/xxx/slave/site
INFO 23 Apr 2008 22:55:18 [WrapperSimpleAppMain] org.drftpd.slave.Slave  - slave.root.2: /home/xxx/slave/site2
INFO 23 Apr 2008 22:55:18 [WrapperSimpleAppMain] org.drftpd.slave.RootCollection  - /home/xxx/slave/site in mount /
INFO 23 Apr 2008 22:55:18 [WrapperSimpleAppMain] org.drftpd.slave.RootCollection  - /home/xxx/slave/site2 in mount /
DEBUG 23 Apr 2008 22:55:18 [RemoteSlave - AS1] org.drftpd.master.RemoteSlave  - Starting RemoteSlave for AS1
DEBUG 23 Apr 2008 22:55:18 [RemoteSlaveRemerge - AS1] org.drftpd.io.SafeFileOutputStream  - Renaming slaves/AS1.xml39513.tmp (755) to slaves/AS1.xml
DEBUG 23 Apr 2008 22:55:18 [RemoteSlaveRemerge - AS1] org.drftpd.master.RemoteSlave  - wrote AS1
ERROR 23 Apr 2008 22:55:19 [RemoteSlave - AS1] org.drftpd.master.RemoteSlave  - IOException reading AsyncResponse
java.net.SocketException: Connection reset
        at java.net.SocketInputStream.read(Unknown Source)
        at java.net.SocketInputStream.read(Unknown Source)
        at java.io.ObjectInputStream$PeekInputStream.peek(Unknown Source)
        at java.io.ObjectInputStream$BlockDataInputStream.peek(Unknown Source)
        at java.io.ObjectInputStream$BlockDataInputStream.peekByte(Unknown Source)
        at java.io.ObjectInputStream.readObject0(Unknown Source)
        at java.io.ObjectInputStream.readObject(Unknown Source)
        at org.drftpd.master.RemoteSlave.readAsyncResponse(RemoteSlave.java:1065)
        at org.drftpd.master.RemoteSlave.run(RemoteSlave.java:902)
        at java.lang.Thread.run(Unknown Source)
DEBUG 23 Apr 2008 22:55:19 [RemoteSlave - AS1] org.drftpd.master.RemoteSlave  - setOffline() IOException reading AsyncResponse
DEBUG 23 Apr 2008 22:55:19 [RemoteSlave - AS1] org.drftpd.io.SafeFileOutputStream  - Renaming slaves/AS1.xml39514.tmp (755) to slaves/AS1.xml
DEBUG 23 Apr 2008 22:55:19 [RemoteSlave - AS1] org.drftpd.master.RemoteSlave  - wrote AS1
INFO 23 Apr 2008 22:55:20 [RemoteSlaveRemerge - AS1] org.drftpd.master.RemoteSlave  - setOffline()
net.sf.drftpd.SlaveUnavailableException: Slave went offline while processing command
        at org.drftpd.master.RemoteSlave.fetchResponse(RemoteSlave.java:723)
        at org.drftpd.master.RemoteSlave.fetchResponse(RemoteSlave.java:697)
        at org.drftpd.master.RemoteSlave.fetchMaxPathFromIndex(RemoteSlave.java:684)
        at org.drftpd.master.RemoteSlave.initializeSlaveAfterThreadIsRunning(RemoteSlave.java:431)
        at org.drftpd.master.RemoteSlave.access$100(RemoteSlave.java:89)
        at org.drftpd.master.RemoteSlave$1RemergeThread.run(RemoteSlave.java:634)
        at java.lang.Thread.run(Unknown Source)