Can anyone suggest why i might be getting this errors:

2003-02-25 11:54:47 [org.apache.catalina.connector.warp.WarpConnection] 
Exception on socket
java.net.SocketException: Socket closed
        at java.net.SocketOutputStream.socketWrite(Native Method)
        at java.net.SocketOutputStream.write(SocketOutputStream.java:60)
        at org.apache.catalina.connector.warp.WarpConnection.send(Unknown 
Source)
        at org.apache.catalina.connector.warp.WarpResponse.sendHeaders
(Unknown Source)
        at org.apache.catalina.connector.HttpResponseBase.finishResponse
(HttpResponseBase.java:252)
        at org.apache.catalina.connector.warp.WarpResponse.finishResponse
(Unknown Source)
        at org.apache.catalina.connector.warp.WarpRequestHandler.handle
(Unknown Source)
        at org.apache.catalina.connector.warp.WarpConnection.run(Unknown 
Source)
        at java.lang.Thread.run(Thread.java:479)

2003-02-25 11:54:47 StandardContext[/ofl]: Processing standard container 
shutdown
2003-02-25 11:54:47 ContextConfig[/ofl]: ContextConfig: Processing STOP
2003-02-25 11:54:47 StandardWrapper[/ofl:Servlet_CCServlet]: Waiting for 
11 instance(s) to be deallocated
2003-02-25 11:54:48 StandardContext[/ofl]: Sending application stop events
2003-02-25 11:54:48 StandardContext[/ofl]: Stopping complete
2003-02-25 11:54:48 StandardContext[/vendorlobbyist]: Stopping
2003-02-25 11:54:48 StandardContext[/vendorlobbyist]: Stopping filters
2003-02-25 11:54:48 StandardContext[/vendorlobbyist]: Processing standard 
container shutdown
2003-02-25 11:54:48 ContextConfig[/vendorlobbyist]: ContextConfig: 
Processing STOP
2003-02-25 11:54:48 StandardContext[/vendorlobbyist]: Sending application 
stop events
2003-02-25 11:54:48 StandardContext[/vendorlobbyist]: Stopping complete
2003-02-25 11:54:48 StandardContext[/otfs-aris]: Stopping
2003-02-25 11:54:48 StandardContext[/otfs-aris]: Stopping filters
2003-02-25 11:54:48 StandardContext[/otfs-aris]: Processing standard 
container shutdown
2003-02-25 11:54:48 ContextConfig[/otfs-aris]: ContextConfig: Processing 
STOP
2003-02-25 11:54:48 StandardContext[/otfs-aris]: Sending application stop 
events
2003-02-25 11:54:48 StandardContext[/otfs-aris]: Stopping complete
2003-02-25 11:54:48 StandardContext[/tracker]: Stopping
2003-02-25 11:54:48 StandardContext[/tracker]: Stopping filters
2003-02-25 11:54:48 [org.apache.catalina.connector.warp.WarpConnection] 
Exception on socket
java.net.SocketException: Socket closed
        at java.net.SocketOutputStream.socketWrite(Native Method)
        at java.net.SocketOutputStream.write(SocketOutputStream.java:60)
        at org.apache.catalina.connector.warp.WarpConnection.send(Unknown 
Source)
        at org.apache.catalina.connector.warp.WarpResponse.sendHeaders
(Unknown Source)
        at org.apache.catalina.connector.HttpResponseBase.finishResponse
(HttpResponseBase.java:252)
        at org.apache.catalina.connector.warp.WarpResponse.finishResponse
(Unknown Source)
        at org.apache.catalina.connector.warp.WarpRequestHandler.handle
(Unknown Source)
        at org.apache.catalina.connector.warp.WarpConnection.run(Unknown 
Source)
        at java.lang.Thread.run(Thread.java:479)

2003-02-25 11:54:49 StandardContext[/tracker]: Processing standard 
container shutdown
2003-02-25 11:54:49 ContextConfig[/tracker]: ContextConfig: Processing STOP
2003-02-25 11:54:49 StandardContext[/tracker]: Sending application stop 
events
2003-02-25 11:54:49 StandardContext[/tracker]: Stopping complete