[SQL Error]Invalid column name?????????

[Eujene Chung]

My entitybean run well in ejbCreate() that DB inserted well. But error appeared  in using remote method(getXXX(),setXXX()) . Here error messege!   ==========error message==================== Failed to load bean from database java.sql.SQLException: Invalid column name         at oracle.jdbc.dbaccess.DBError.check_error(DBError.java:224)         at oracle.jdbc.driver.OracleStatement.get_column_index(Compiled Code)         at oracle.jdbc.driver.OracleResultSet.findColumn(OracleResultSet.java:51 6) ...................................   No problems in RemoteInterfaceName.txt, RemoteInterfaceName.properties!  What's problem? Help me~~~