Can't connect to X11 window server using '0.0' as the value of the DISPLAY

198 cd /usr/openwin/bin/
199 ./Xvfb :0 -screen 0 1152x900x8 &
200 export DISPLAY="127.0.0.1:0.0"
201 ./xclock

xclock no debe generar nigún error.

Ambiente:
SO: Sun Microsystems Inc. SunOS 5.9 Generic May 2002
Server: Weblogic 8.1 sp 3

En el startWeblogic

JAVA_OPTIONS="-Djava.awt.headless=true ${JAVA_OPTIONS}"