Bug 143671 [Linux-As][Smoke]Parameter can't be used.
Details: [Linux-As]Parameter can't be used. Setp: 1.New a report design. 2.New a paremeter. 3.Preview and click Run Report Parameter. 4.Dialog pop up and press OK. Actual resutl: Report error.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/context/ViewerAttributeBean.java
String paramName = getParameterName( configVar
								.getName( ) );
						String paramValue = configVar.getValue( );
						ScalarParameterHandle parameter = (ScalarParameterHandle) findParameter( paramName );
						
						
						if ( paramValue != null && parameter != null )
						{
							try
							{
								Object paramValueObj = ParameterValidationUtil
										.validate( parameter.getDataType( ),
												parameter.getPattern( ),
												paramValue, ULocale.US );
								paramValue = ParameterValidationUtil
										.getDisplayValue( parameter
												.getDataType( ), parameter
												.getPattern( ), paramValueObj,
												locale );
								this.configMap.put( paramName, paramValue );
							}
							catch ( Exception err )
							{
							}
						}
					}
				}
				handle.close( );
			}
		}