MWS is not starting

Hi All,
I installed oracle XE,and webmethods.when i try to open the MWS server, im not able to open it and getting an error like
" [wm-cjdbc36-0007][Oracle JDBC Driver][Oracle]ORA-00942: table or view does not exist"
when i try to install the jdbc scripts im getting an error message like
“CREATE DISTRIBUTEDLOCKING [20] FAILED
CDC ERROR [wm-cjdbc36-0007][Oracle JDBC Driver][Oracle]ORA-00955: name is already used by an existing object”
Can any one help me how to slove this issue.

Thanks
Siva

using database component configurator, try removing the database components first then create them again.

Thanks for ur response…
Now it is working fine.

Thanks
Siva