Bug 176569 123 is treated as Blank Value in Scalar Parameter [0705]
Description: 123 is treated as Blank Value in Scalar Parameter. Build number: 2.2.0.v20070307-1128 Steps to reproduce: 1. New a Parameter. 2. Untick Allow null value checkbox. Expected result: Parameter works correctly. Actual result: Another Parameter dialogue pops up and when you click OK button again, warning message "NewParameter cannot be blank" pops up (see the screenshot). Error log: N/A
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/context/ViewerAttributeBean.java
String dataType = ParameterDataTypeConverter
									.ConvertDataType( parameter.getDataType( ) );
							String cachedDateType = null;
							if ( typeVar != null )
								cachedDateType = typeVar.getValue( );
							
							if ( cachedDateType == null
									|| !cachedDateType
											.equalsIgnoreCase( dataType ) )
								continue;
							
							String exprVarName = configVar.getName( ) + "_" 
									+ IBirtConstants.PROP_EXPR;
							ConfigVariable exprVar = handle
									.findConfigVariable( exprVarName );
							String cachedExpr = null;
							if ( exprVar != null )
								cachedExpr = exprVar.getValue( );
							if ( cachedExpr == null )
								cachedExpr = ""; 
							
							if ( !cachedExpr.equals( parameter.getValueExpr( ) ) )
								continue;
							this.configMap.put( paramName, paramValue );
						}
					}
				}
				handle.close( );
			}
		}