Erro no DBCA!

Pessoal depois instalar o oracle no fedora 12 , tento rodar o dbca e ele dá o seguinte erro?


[oracle@DIP ~]$ dbca
#
# An unexpected error has been detected by HotSpot Virtual Machine:
#
# SIGSEGV (0xb) at pc=0x9f31a3e4, pid=3610, tid=3079583424
#
# Java VM: Java HotSpot(TM) Client VM (1.5.0_17-b02 mixed mode)
# Problematic frame:
#
[error occurred during error reporting, step 60, id 0xb]

# An error report file with more information is saved as hs_err_pid3610.log
#
# If you would like to submit a bug report, please visit:
# http://java.sun.com/webapps/bugreport/crash.jsp
#
Aborted (core dumped)


Alguem poderia me ajudar no que fazer??? obrigado!