Program: 118363
Project: 118363
Buggy source:
public void transform(NodeType node){
  ElementParameterType elemParamType=ComponentUtilities.getNodeProperty(node,"String_Node_Str");
  String propertiesString=elemParamType.getValue();
  Deserialized<ComponentProperties> fromSerialized=PropertiesImpl.fromSerialized(propertiesString,ComponentProperties.class,new Properties.PostSerializationSetup<ComponentProperties>(){
    @Override public void setup(    ComponentProperties properties){
      properties.setValueEvaluator(new PropertyValueEvaluator(){
        @Override public Object evaluate(        Property property,        Object storedValue){
          if (storedValue instanceof String) {
            if (GenericTypeUtils.isEnumType(property)) {
              ComponentProperties newProperties=ComponentsUtils.getComponentProperties(node.getComponentName());
              Property newProperty=(Property)newProperties.getProperty(property.getName());
              if (newProperty == null) {
                newProperty=(Property)newProperties.getProperty("String_Node_Str");
              }
              if (newProperty != null) {
                List<?> propertyPossibleValues=((Property<?>)newProperty).getPossibleValues();
                if (propertyPossibleValues != null) {
                  for (                  Object possibleValue : propertyPossibleValues) {
                    if (possibleValue.toString().equals(storedValue)) {
                      property.setStoredValue(possibleValue);
                      return possibleValue;
                    }
                  }
                }
              }
            }
          }
          return storedValue;
        }
      }
);
    }
  }
);
  ComponentProperties newProperties=ComponentsUtils.getComponentProperties(node.getComponentName());
  updateSubProperties(fromSerialized.properties,newProperties);
  newProperties.copyValuesFrom(fromSerialized.properties,true,false);
  NamedThing nt=newProperties.getProperty("String_Node_Str");
  if (nt != null && nt instanceof Property) {
    Property moduleNameProperty=(Property)nt;
    String moduleName=(String)moduleNameProperty.getValue();
    moduleName=TalendQuoteUtils.removeQuotes(moduleName);
    moduleName=TalendQuoteUtils.addQuotes(moduleName);
    moduleNameProperty.setStoredValue(moduleName);
  }
  nt=newProperties.getProperty("String_Node_Str");
  if (nt != null && nt instanceof Property) {
    Property moduleNameProperty=(Property)nt;
    if (moduleNameProperty.getPossibleValues() == null || moduleNameProperty.getPossibleValues().isEmpty()) {
      List<String> columns=new ArrayList<String>();
      if (moduleNameProperty.getValue() instanceof String) {
        String column=(String)moduleNameProperty.getValue();
        columns.add(column);
      }
 else       if (moduleNameProperty.getValue() instanceof List) {
        columns.addAll((Collection<? extends String>)moduleNameProperty.getValue());
      }
      moduleNameProperty.setPossibleValues(columns);
    }
  }
  elemParamType.setValue(newProperties.toSerialized());
}

Fixed version (ground truth):
public void transform(NodeType node){
  ElementParameterType elemParamType=ComponentUtilities.getNodeProperty(node,"String_Node_Str");
  String propertiesString=elemParamType.getValue();
  SerializerDeserializer.Deserialized<ComponentProperties> fromSerialized=Properties.Helper.fromSerializedPersistent(propertiesString,ComponentProperties.class,new PostDeserializeSetup(){
    @Override public void setup(    Object properties){
      ((Properties)properties).setValueEvaluator(new PropertyValueEvaluator(){
        @Override public Object evaluate(        Property property,        Object storedValue){
          if (storedValue instanceof String) {
            if (GenericTypeUtils.isEnumType(property)) {
              ComponentProperties newProperties=ComponentsUtils.getComponentProperties(node.getComponentName());
              Property newProperty=(Property)newProperties.getProperty(property.getName());
              if (newProperty == null) {
                newProperty=(Property)newProperties.getProperty("String_Node_Str");
              }
              if (newProperty != null) {
                List<?> propertyPossibleValues=((Property<?>)newProperty).getPossibleValues();
                if (propertyPossibleValues != null) {
                  for (                  Object possibleValue : propertyPossibleValues) {
                    if (possibleValue.toString().equals(storedValue)) {
                      property.setStoredValue(possibleValue);
                      return possibleValue;
                    }
                  }
                }
              }
            }
          }
          return storedValue;
        }
      }
);
    }
  }
);
  ComponentProperties newProperties=ComponentsUtils.getComponentProperties(node.getComponentName());
  updateSubProperties(fromSerialized.object,newProperties);
  newProperties.copyValuesFrom(fromSerialized.object,true,false);
  NamedThing nt=newProperties.getProperty("String_Node_Str");
  if (nt != null && nt instanceof Property) {
    Property moduleNameProperty=(Property)nt;
    String moduleName=(String)moduleNameProperty.getValue();
    moduleName=TalendQuoteUtils.removeQuotes(moduleName);
    moduleName=TalendQuoteUtils.addQuotes(moduleName);
    moduleNameProperty.setStoredValue(moduleName);
  }
  nt=newProperties.getProperty("String_Node_Str");
  if (nt != null && nt instanceof Property) {
    Property moduleNameProperty=(Property)nt;
    if (moduleNameProperty.getPossibleValues() == null || moduleNameProperty.getPossibleValues().isEmpty()) {
      List<String> columns=new ArrayList<String>();
      if (moduleNameProperty.getValue() instanceof String) {
        String column=(String)moduleNameProperty.getValue();
        columns.add(column);
      }
 else       if (moduleNameProperty.getValue() instanceof List) {
        columns.addAll((Collection<? extends String>)moduleNameProperty.getValue());
      }
      moduleNameProperty.setPossibleValues(columns);
    }
  }
  elemParamType.setValue(newProperties.toSerialized());
}