Bug 153378 [Regression]Label text won't show up when the text key is not found
Steps to reproduce: 1.Add a label, set text to "aaa" 2.Add a resource file "a" to the report, add a text key "k1" which is not in the a.properties to the label 3.Preview in Web Viewer Expected result: Label display "aaa" when the text key is not found Actual result: Nothing in preview
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/util/ParameterValidationUtil.java
.equalsIgnoreCase( dataType ) )
			{
				if ( StringUtil.isBlank( value ) )
					return value;
				else if ( DesignChoiceConstants.STRING_FORMAT_TYPE_UNFORMATTED
						.equalsIgnoreCase( format ) )
					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;
			}
		}