Not able to start the VNC/Xorg server service ?

Issue

ISSUE-1

• Not able to start the vnc service, it fails with following error.

# service vncserver restart
Shutting down VNC server: 1:oracle                         [FAILED]
Starting VNC server: 1:oracle
Warning: hostname:1 is taken because of /tmp/.X1-lock
Remove this file if there is no X server hostname:1
A VNC server is already running as :1

• Following error message is seen under ~/.vnc

Xvnc: symbol lookup error: Xvnc: undefined symbol: BuiltinRegisterFpeFunctions

ISSUE-2

• Unable to start Xorg server in RHEL5. Getting following errors on execution of "startx" command:

X: sysmbol lookup error: X:undefined symbol : BuiltinRegisterFpeFuctions