I test the connection and it works.If I start with a simple SELECT C FROM T this parses and works.Then I set SQLStatement to SELECT C FROM T WHERE C = ? (C is a valid column name and t is a valid table name)And I add a Parameter Mapping, and just create a variable using <New variable>, set it to Input, Data type LONG, ParameterName 0, ParaemterLength -1.The variable is created as an Int32, wit