# netstat -Aan | grep 8090
f1000600076d1b98 tcp        0      0  *.8090             *.*                LISTEN

# rmsock f1000600076d1b98 tcpcb
The socket 0x76d1808 is being held by proccess 495694 (java).

# ps aux | grep 495694
icd      495694  0.7  2.0 138920 135840      - A      Aug 16 25755:21 /usr/java5/bin/j
root     553034  0.0  0.0  220  232  pts/1 A    15:35:43  0:00 grep 495694