Program: 154136
Project: 154136
Buggy source:
/** 
 * @param action
 * @param target
 * @param targetRootStr
 * @param targetPrefixStr prefix for new nodes in target - if this prefix equals the prefix of a term's ID, don't generate a new ID for the term copy
 */
private void processAttachAction(Node action,TaxonStore target,String targetRootStr,String targetPrefixStr){
  @SuppressWarnings("String_Node_Str") List<String> columns=(List<String>)Collections.EMPTY_LIST;
  Map<Integer,String> synPrefixes=new HashMap<Integer,String>();
  final String formatStr=getAttribute(action,ATTACHFORMATSTR);
  final String sourceRootStr=getAttribute(action,ATTACHROOTSTR);
  final String targetParentStr=getAttribute(action,ATTACHPARENTSTR);
  final String sourcePrefixStr=getAttribute(action,ATTACHPREFIXSTR);
  final String preserveIDsStr=getAttribute(action,PRESERVEIDSSTR);
  final String preserveSynonymsStr=getAttribute(action,PRESERVESYNONYMSSTR);
  NodeList childNodes=action.getChildNodes();
  if (childNodes.getLength() > 0) {
    columns=processChildNodesOfAttach(childNodes,synPrefixes);
  }
  Merger m=getMerger(formatStr,columns,synPrefixes);
  if (!m.canAttach()) {
    throw new RuntimeException("String_Node_Str" + formatStr + "String_Node_Str");
  }
  if (!m.canPreserveID() && (sourcePrefixStr != null) && (!sourcePrefixStr.equals(targetPrefixStr))) {
    throw new RuntimeException("String_Node_Str" + formatStr + "String_Node_Str");
  }
  String sourceStr=action.getAttributes().getNamedItem("String_Node_Str").getNodeValue();
  File sourceFile=getSourceFile(sourceStr);
  logger.info("String_Node_Str" + sourceStr);
  if (targetPrefixStr == null) {
    logger.warn("String_Node_Str");
    targetPrefixStr=sourceFile.getName();
  }
  m.setPreserveID(processBooleanAttribute(getAttribute(action,PRESERVEIDSSTR)));
  m.setPreserveSynonyms(processSynonymSourceAttribute(getAttribute(action,PRESERVESYNONYMSSTR)));
  m.setSource(sourceFile);
  m.setTarget(target);
  m.attach(targetParentStr,sourceRootStr,sourcePrefixStr);
}

Fixed version (ground truth):
/** 
 * @param action
 * @param target
 * @param targetRootStr
 * @param targetPrefixStr prefix for new nodes in target - if this prefix equals the prefix of a term's ID, don't generate a new ID for the term copy
 */
private void processAttachAction(Node action,TaxonStore target,String targetRootStr,String targetPrefixStr){
  @SuppressWarnings("String_Node_Str") List<String> columns=(List<String>)Collections.EMPTY_LIST;
  Map<Integer,String> synPrefixes=new HashMap<Integer,String>();
  final String formatStr=getAttribute(action,ATTACHFORMATSTR);
  final String sourceRootStr=getAttribute(action,ATTACHROOTSTR);
  final String targetParentStr=getAttribute(action,ATTACHPARENTSTR);
  final String sourcePrefixStr=getAttribute(action,ATTACHPREFIXSTR);
  final String preserveIDsStr=getAttribute(action,PRESERVEIDSSTR);
  final String preserveSynonymsStr=getAttribute(action,PRESERVESYNONYMSSTR);
  NodeList childNodes=action.getChildNodes();
  if (childNodes.getLength() > 0) {
    columns=processChildNodesOfAttach(childNodes,synPrefixes);
  }
  Merger m=getMerger(formatStr,columns,synPrefixes);
  if (!m.canAttach()) {
    throw new RuntimeException("String_Node_Str" + formatStr + "String_Node_Str");
  }
  if (!m.canPreserveID() && (sourcePrefixStr != null) && (!sourcePrefixStr.equals(targetPrefixStr))) {
    throw new RuntimeException("String_Node_Str" + formatStr + "String_Node_Str");
  }
  if (m.canPreserveID() && null != preserveIDsStr) {
    if ("String_Node_Str".equalsIgnoreCase(preserveIDsStr) || "String_Node_Str".equalsIgnoreCase(preserveIDsStr))     m.setPreserveID(true);
 else     m.setPreserveID(false);
  }
  String sourceStr=action.getAttributes().getNamedItem("String_Node_Str").getNodeValue();
  File sourceFile=getSourceFile(sourceStr);
  logger.info("String_Node_Str" + sourceStr);
  if (targetPrefixStr == null) {
    logger.warn("String_Node_Str");
    targetPrefixStr=sourceFile.getName();
  }
  m.setPreserveSynonyms(processSynonymSourceAttribute(getAttribute(action,PRESERVESYNONYMSSTR)));
  m.setSource(sourceFile);
  m.setTarget(target);
  m.attach(targetParentStr,sourceRootStr,sourcePrefixStr);
}