I am trying to debug a
"Could not create entity:java.sql.SQLException: Invalid column type" exception occuring during an ejbCreate. Is there is a way to know which column is involve in the exception.
No. SQL exceptions are basically black boxes. If the vendor doesn't give you any good information, there is nothing you can do. Try executing the sql by hand using the tool from your vendor. The sql is written to the server.log file.