Bug 207258 Error exception message in type validation of multi-value parameters
If there is any exception in type validation of multi-value parameter, we will always get following error message: The type of parameter "NewParameter" is expected as "Object[]", not "Array".. This message is incorrect. Please replace the "Array" with the correct value type.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/impl/EngineTask.java
{
					if ( !visitScalarParameter( (ScalarParameterHandle) param,
							value ) )
					{
						return false;
					}
				}
			}
			return true;
		}
	}
	protected IQueryResults executeDataSet( DataSetHandle hDataSet,
			HashMap parameters )
	{
		return null;
	}
	/**
	 * use the user setting parameters values to setup the execution context.
	 * the user setting values and default values are merged here.
	 */
	protected void usingParameterValues( )
	{
		if ( !parameterChanged )
		{
			return;
		}
		parameterChanged = false;
		
		executionContext.clearParameters( );
		runValues.clear( );