Program: 44664
Project: 44664
Buggy source:
public void generateOrderBy(){
  orderByClause=CmsConstants.EMPTY_SPACE + CmsConstants.ORDER_BY + CmsConstants.EMPTY_SPACE;
  if (MapUtils.isEmpty(orderProperties)) {
    columnProjectionInXPath="String_Node_Str";
    orderByClause="String_Node_Str";
    numberOfColumnsParticipatingInProjection=0;
  }
 else {
    boolean orderByStart=true;
    boolean selectedColumnsStart=true;
    for (    Entry<String,Order> propertyEntry : orderProperties.entrySet()) {
      final String property=propertyEntry.getKey();
      final Order order=propertyEntry.getValue();
      if (StringUtils.isNotBlank(property) && order != null) {
        String propertyXPathRepresentation=XPathUtils.attributeNotNullCriteria(property);
        String valueToBePlacedInColumnProjection=null;
        String valueToBePlacedInOrderByClause=null;
        if (propertyXPathRepresentation.startsWith(CmsConstants.AT_CHAR)) {
          valueToBePlacedInColumnProjection="String_Node_Str";
          valueToBePlacedInOrderByClause=propertyXPathRepresentation;
        }
 else {
          valueToBePlacedInColumnProjection=StringUtils.substringBeforeLast(propertyXPathRepresentation,CmsConstants.FORWARD_SLASH);
          valueToBePlacedInOrderByClause=StringUtils.substringAfterLast(propertyXPathRepresentation,CmsConstants.FORWARD_SLASH);
          if (StringUtils.isBlank(valueToBePlacedInOrderByClause)) {
            valueToBePlacedInOrderByClause=propertyXPathRepresentation;
          }
        }
        orderByClause=orderByClause.concat((orderByStart ? "String_Node_Str" : CmsConstants.COMMA) + getOrderByProperty(valueToBePlacedInOrderByClause,order));
        if (orderByStart) {
          orderByStart=false;
        }
        if (propertyEntry.getValue() == Order.ascending || propertyEntry.getValue() == Order.descending) {
          if (isNotJcrFunction(property) && StringUtils.isNotBlank(valueToBePlacedInColumnProjection)) {
            numberOfColumnsParticipatingInProjection++;
            columnProjectionInXPath=columnProjectionInXPath.concat((selectedColumnsStart ? CmsConstants.LEFT_PARENTHESIS_WITH_LEADING_AND_TRAILING_SPACE : "String_Node_Str") + CmsConstants.EMPTY_SPACE + valueToBePlacedInColumnProjection);
            if (selectedColumnsStart) {
              selectedColumnsStart=false;
            }
          }
        }
      }
    }
    if (StringUtils.isNotBlank(columnProjectionInXPath))     columnProjectionInXPath=CmsConstants.FORWARD_SLASH + columnProjectionInXPath + CmsConstants.RIGHT_PARENTHESIS_WITH_LEADING_AND_TRAILING_SPACE;
    if (astroboaEngineWillOrderResults()) {
      columnProjectionInXPath="String_Node_Str";
      orderByClause="String_Node_Str";
    }
  }
}

Fixed version (ground truth):
public void generateOrderBy(){
  orderByClause=CmsConstants.EMPTY_SPACE + CmsConstants.ORDER_BY + CmsConstants.EMPTY_SPACE;
  if (MapUtils.isEmpty(orderProperties)) {
    columnProjectionInXPath="String_Node_Str";
    orderByClause="String_Node_Str";
    numberOfColumnsParticipatingInProjection=0;
  }
 else {
    boolean orderByStart=true;
    boolean selectedColumnsStart=true;
    for (    Entry<String,Order> propertyEntry : orderProperties.entrySet()) {
      final String property=propertyEntry.getKey();
      final Order order=propertyEntry.getValue();
      if (StringUtils.isNotBlank(property) && order != null) {
        String propertyXPathRepresentation=XPathUtils.generateJcrPathForPropertyPath(property,true);
        String valueToBePlacedInColumnProjection=null;
        String valueToBePlacedInOrderByClause=null;
        if (propertyXPathRepresentation.startsWith(CmsConstants.AT_CHAR)) {
          valueToBePlacedInColumnProjection="String_Node_Str";
          valueToBePlacedInOrderByClause=propertyXPathRepresentation;
        }
 else {
          valueToBePlacedInColumnProjection=StringUtils.substringBeforeLast(propertyXPathRepresentation,CmsConstants.FORWARD_SLASH);
          valueToBePlacedInOrderByClause=StringUtils.substringAfterLast(propertyXPathRepresentation,CmsConstants.FORWARD_SLASH);
          if (StringUtils.isBlank(valueToBePlacedInOrderByClause)) {
            valueToBePlacedInOrderByClause=propertyXPathRepresentation;
          }
        }
        orderByClause=orderByClause.concat((orderByStart ? "String_Node_Str" : CmsConstants.COMMA) + getOrderByProperty(valueToBePlacedInOrderByClause,order));
        if (orderByStart) {
          orderByStart=false;
        }
        if (propertyEntry.getValue() == Order.ascending || propertyEntry.getValue() == Order.descending) {
          if (isNotJcrFunction(property) && StringUtils.isNotBlank(valueToBePlacedInColumnProjection)) {
            numberOfColumnsParticipatingInProjection++;
            columnProjectionInXPath=columnProjectionInXPath.concat((selectedColumnsStart ? CmsConstants.LEFT_PARENTHESIS_WITH_LEADING_AND_TRAILING_SPACE : "String_Node_Str") + CmsConstants.EMPTY_SPACE + valueToBePlacedInColumnProjection);
            if (selectedColumnsStart) {
              selectedColumnsStart=false;
            }
          }
        }
      }
    }
    if (StringUtils.isNotBlank(columnProjectionInXPath))     columnProjectionInXPath=CmsConstants.FORWARD_SLASH + columnProjectionInXPath + CmsConstants.RIGHT_PARENTHESIS_WITH_LEADING_AND_TRAILING_SPACE;
    if (astroboaEngineWillOrderResults()) {
      columnProjectionInXPath="String_Node_Str";
      orderByClause="String_Node_Str";
    }
  }
}