Jdeveloper With OA extension hello world Exception java.sql.SQLException

 Hey Guys,
I am new to Jdeveloper with OA Extension.

I installed and configured JDeveloper 10.1.3.3.0 for EBS 12.0.6 as per metalink instruction on Windows 7.

But when i click on Hello World its give the following exception.

Please Help me

oracle.apps.fnd.framework.OAException: Application: FND, Message Name: FND_GENERIC_MESSAGE. Tokens: MESSAGE = java.sql.SQLException: ORA-06550: line 1, column 39:
PLS-00103: Encountered the symbol "?" when expecting one of the following:

( ) - + case mod new not null others <an identifier>

table avg count current exists max min prior sql stddev sum
variance execute multiset the both leading trailing forall
merge year month DAY_ hour minute second timezone_hour