Program: 115041
Project: 115041
Buggy source:
private void processFieldSubmissionGroupItems(ArrayList<HashMap> listOfUploadFilePaths,Node groupNode,ItemGroup itemGroup) throws Exception {
  String itemName;
  String itemValue;
  Integer itemOrdinal=null;
  final NamedNodeMap attributes=groupNode.getAttributes();
  boolean enketoOrdinalFound=false;
  for (int attrIndex=0; attrIndex < attributes.getLength(); attrIndex++) {
    if (attributes.item(attrIndex).getNodeName().equals(ENKETO_ORDINAL)) {
      logger.debug("String_Node_Str");
      logger.debug(attributes.item(attrIndex).getNodeName());
      logger.debug(attributes.item(attrIndex).getNodeValue());
      enketoOrdinalFound=true;
      itemOrdinal=new Integer(attributes.item(attrIndex).getNodeValue());
    }
  }
  if (!enketoOrdinalFound) {
    itemOrdinal=1;
  }
  if (container.getRequestType() == FieldRequestTypeEnum.DELETE_FIELD) {
    ItemData existingItemData=lookupFieldItemData(crfVersion,itemGroup,itemOrdinal);
    existingItemData.setDeleted(true);
    existingItemData.setValue("String_Node_Str");
    existingItemData.setOldStatus(existingItemData.getStatus());
    existingItemData.setUserAccount(container.getUser());
    existingItemData.setStatus(Status.AVAILABLE);
    existingItemData.setUpdateId(container.getUser().getUserId());
    existingItemData=itemDataDao.saveOrUpdate(existingItemData);
    closeItemDiscrepancyNotes(container,existingItemData);
    return;
  }
  NodeList itemNodeList=groupNode.getChildNodes();
  for (int m=0; m < itemNodeList.getLength(); m=m + 1) {
    Node itemNode=itemNodeList.item(m);
    if (ShouldProcessItemNode(itemNode)) {
      itemName=itemNode.getNodeName().trim();
      itemValue=itemNode.getTextContent();
      Item item=lookupItem(itemName,crfVersion);
      if (item == null) {
        logger.error("String_Node_Str" + itemName + "String_Node_Str");
        continue;
      }
      ItemFormMetadata itemFormMetadata=itemFormMetadataDao.findByItemCrfVersion(item.getItemId(),crfVersion.getCrfVersionId());
      Integer responseTypeId=itemFormMetadata.getResponseSet().getResponseType().getResponseTypeId();
      if (responseTypeId == 3 || responseTypeId == 7) {
        itemValue=itemValue.replaceAll("String_Node_Str","String_Node_Str");
      }
      if (responseTypeId == 4) {
        for (        HashMap uploadFilePath : listOfUploadFilePaths) {
          if ((boolean)uploadFilePath.containsKey(itemValue) && itemValue != "String_Node_Str") {
            itemValue=(String)uploadFilePath.get(itemValue);
            break;
          }
        }
      }
      ItemData newItemData=createItemData(item,itemValue,itemOrdinal,eventCrf,container.getStudy(),container.getSubject(),container.getUser());
      Errors itemErrors=validateItemData(newItemData,item,responseTypeId);
      if (itemErrors.hasErrors()) {
        container.getErrors().addAllErrors(itemErrors);
        throw new Exception("String_Node_Str");
      }
      ItemData existingItemData=itemDataDao.findByItemEventCrfOrdinal(item.getItemId(),eventCrf.getEventCrfId(),itemOrdinal);
      if (existingItemData == null) {
        newItemData.setStatus(Status.UNAVAILABLE);
        itemDataDao.saveOrUpdate(newItemData);
      }
 else       if (existingItemData.getValue().equals(newItemData.getValue())) {
      }
 else {
        existingItemData.setValue(newItemData.getValue());
        existingItemData.setUpdateId(container.getUser().getUserId());
        existingItemData.setDateUpdated(new Date());
        itemDataDao.saveOrUpdate(existingItemData);
      }
    }
  }
}

Fixed version (ground truth):
private void processFieldSubmissionGroupItems(ArrayList<HashMap> listOfUploadFilePaths,Node groupNode,ItemGroup itemGroup) throws Exception {
  String itemName;
  String itemValue;
  Integer itemOrdinal=null;
  final NamedNodeMap attributes=groupNode.getAttributes();
  boolean enketoOrdinalFound=false;
  for (int attrIndex=0; attrIndex < attributes.getLength(); attrIndex++) {
    if (attributes.item(attrIndex).getNodeName().equals(ENKETO_ORDINAL)) {
      logger.debug("String_Node_Str");
      logger.debug(attributes.item(attrIndex).getNodeName());
      logger.debug(attributes.item(attrIndex).getNodeValue());
      enketoOrdinalFound=true;
      itemOrdinal=new Integer(attributes.item(attrIndex).getNodeValue());
    }
  }
  if (!enketoOrdinalFound) {
    itemOrdinal=1;
  }
  if (container.getRequestType() == FieldRequestTypeEnum.DELETE_FIELD) {
    ItemData existingItemData=lookupFieldItemData(itemGroup,itemOrdinal);
    existingItemData.setDeleted(true);
    existingItemData.setValue("String_Node_Str");
    existingItemData.setOldStatus(existingItemData.getStatus());
    existingItemData.setUserAccount(container.getUser());
    existingItemData.setStatus(Status.AVAILABLE);
    existingItemData.setUpdateId(container.getUser().getUserId());
    existingItemData=itemDataDao.saveOrUpdate(existingItemData);
    closeItemDiscrepancyNotes(container,existingItemData);
    return;
  }
  NodeList itemNodeList=groupNode.getChildNodes();
  for (int m=0; m < itemNodeList.getLength(); m=m + 1) {
    Node itemNode=itemNodeList.item(m);
    if (ShouldProcessItemNode(itemNode)) {
      itemName=itemNode.getNodeName().trim();
      itemValue=itemNode.getTextContent();
      Item item=lookupItem(itemName,crfVersion);
      if (item == null) {
        logger.error("String_Node_Str" + itemName + "String_Node_Str");
        continue;
      }
      ItemFormMetadata itemFormMetadata=itemFormMetadataDao.findByItemCrfVersion(item.getItemId(),crfVersion.getCrfVersionId());
      Integer responseTypeId=itemFormMetadata.getResponseSet().getResponseType().getResponseTypeId();
      if (responseTypeId == 3 || responseTypeId == 7) {
        itemValue=itemValue.replaceAll("String_Node_Str","String_Node_Str");
      }
      if (responseTypeId == 4) {
        for (        HashMap uploadFilePath : listOfUploadFilePaths) {
          if ((boolean)uploadFilePath.containsKey(itemValue) && itemValue != "String_Node_Str") {
            itemValue=(String)uploadFilePath.get(itemValue);
            break;
          }
        }
      }
      ItemData newItemData=createItemData(item,itemValue,itemOrdinal,eventCrf,container.getStudy(),container.getSubject(),container.getUser());
      Errors itemErrors=validateItemData(newItemData,item,responseTypeId);
      if (itemErrors.hasErrors()) {
        container.getErrors().addAllErrors(itemErrors);
        throw new Exception("String_Node_Str");
      }
      ItemData existingItemData=itemDataDao.findByItemEventCrfOrdinal(item.getItemId(),eventCrf.getEventCrfId(),itemOrdinal);
      if (existingItemData == null) {
        newItemData.setStatus(Status.UNAVAILABLE);
        itemDataDao.saveOrUpdate(newItemData);
      }
 else       if (existingItemData.getValue().equals(newItemData.getValue())) {
      }
 else {
        existingItemData.setValue(newItemData.getValue());
        existingItemData.setUpdateId(container.getUser().getUserId());
        existingItemData.setDateUpdated(new Date());
        itemDataDao.saveOrUpdate(existingItemData);
      }
    }
  }
}