Invalid java class

 Hi All,

I am getting an error, when I am compile the java class object. even though all the components are valid.

COMP_NAME                      COMP_ID    VERSION      STATUS

------------------------------ ---------- ------------ -----------

Oracle Expression Filter       EXF        10.2.0.5.0   VALID

Oracle XML Database            XDB        10.2.0.5.0   VALID

Oracle Text                    CONTEXT    10.2.0.5.0   VALID

Oracle Workspace Manager       OWM        10.2.0.5.0   VALID

Oracle Database Catalog Views  CATALOG    10.2.0.5.0   VALID

Oracle Database Packages and T CATPROC    10.2.0.5.0   VALID

JServer JAVA Virtual Machine   JAVAVM     10.2.0.5.0   VALID

Oracle XDK                     XML        10.2.0.5.0   VALID

Oracle Database Java Packages  CATJAVA    10.2.0.5.0   VALID

 ERROR at line 1:

ORA-04043: object ulink/FileUtility does not exist

Thanks in advance.