Bug 147819 Dynamic parameter, if value column datas include null datas, preview, system throws exception
Dynamic parameter, if value column datas include null datas, preview, system throws exception Step: data source: sample DB data set: select * from CLASSICMODELS.CUSTOMERS 1.Create a dynamic parameter 2.Display type select List Box, value columm select "State"; display text select "CUSTOMERNAME"; 3.Preview in html Actual Results: 1.System throws Http status 500 exception
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/util/ParameterValidationUtil.java
return value;
				else
				{
					StringFormatter formatter = new StringFormatter( locale );
					formatter.applyPattern( format );
					try
					{
						return formatter.parser( value );
					}
					catch ( ParseException e )
					{
						throw new ValidationValueException(
								value,
								PropertyValueException.DESIGN_EXCEPTION_INVALID_VALUE,
								DesignChoiceConstants.PARAM_TYPE_STRING );
					}
				}
			}
			else
			{
				assert false;
				return null;
			}
		}
		catch ( ValidationValueException e )
		{
			return validate( dataType, value, locale );
		}
	}
	/**