Program: 121227
Project: 121227
Buggy source:
@Override public List<String> extractArgumentSegments(){
  String nameNodeURI=TalendQuoteUtils.removeQuotes((String)process.getElementParameter("String_Node_Str").getValue());
  String jobTrackerURI=TalendQuoteUtils.removeQuotes((String)process.getElementParameter("String_Node_Str").getValue());
  List<String> list=new ArrayList<String>();
  list.add(ProcessorConstants.CMD_KEY_WORD_LIBJAR);
  StringBuffer libJars=new StringBuffer("String_Node_Str");
  Set<String> libNames=JavaProcessorUtilities.extractLibNamesOnlyForMapperAndReducer(process);
  if (libNames != null && libNames.size() > 0) {
    Iterator<String> itLibNames=libNames.iterator();
    while (itLibNames.hasNext()) {
      libJars.append(getLibFolderInWorkingDir() + itLibNames.next()).append("String_Node_Str");
    }
  }
  list.add(libJars.substring(0,libJars.length() - 1));
  list.add(ProcessorConstants.CMD_KEY_WORD_FS);
  list.add(nameNodeURI == null ? "String_Node_Str" : nameNodeURI);
  list.add(ProcessorConstants.CMD_KEY_WORD_JT);
  list.add(jobTrackerURI == null ? "String_Node_Str" : jobTrackerURI);
  IElementParameter usePropertiesParam=process.getElementParameter("String_Node_Str");
  if (usePropertiesParam != null) {
    boolean useProperties=false;
    if (usePropertiesParam.getValue() instanceof Boolean) {
      useProperties=(Boolean)usePropertiesParam.getValue();
    }
 else     if (Boolean.valueOf((String)usePropertiesParam.getValue())) {
      useProperties=true;
    }
    if (useProperties) {
      IElementParameter propertiesParam=process.getElementParameter("String_Node_Str");
      for (      Map<String,Object> line : (List<Map<String,Object>>)propertiesParam.getValue()) {
        String propertyParam=TalendQuoteUtils.removeQuotes((String)line.get("String_Node_Str"));
        String valueParam=TalendQuoteUtils.removeQuotes((String)line.get("String_Node_Str"));
        list.add("String_Node_Str");
        list.add(propertyParam + "String_Node_Str" + valueParam);
      }
    }
  }
  IElementParameter kerbParam=process.getElementParameter("String_Node_Str");
  if (kerbParam != null) {
    boolean useKrb=false;
    if (kerbParam.getValue() instanceof Boolean) {
      useKrb=(Boolean)kerbParam.getValue();
    }
 else     if (Boolean.valueOf((String)kerbParam.getValue())) {
      useKrb=true;
    }
    if (useKrb) {
      IElementParameter nameNodePrincipal=process.getElementParameter("String_Node_Str");
      list.add("String_Node_Str");
      list.add("String_Node_Str" + TalendQuoteUtils.removeQuotes((String)nameNodePrincipal.getValue()));
    }
  }
  return list;
}

Fixed version (ground truth):
@Override public List<String> extractArgumentSegments(){
  String nameNodeURI=TalendQuoteUtils.removeQuotes(JavaProcessUtil.getRealParamValueByRunProcess(process,(String)process.getElementParameter("String_Node_Str").getValue()));
  String jobTrackerURI=TalendQuoteUtils.removeQuotes(JavaProcessUtil.getRealParamValueByRunProcess(process,(String)process.getElementParameter("String_Node_Str").getValue()));
  List<String> list=new ArrayList<String>();
  list.add(ProcessorConstants.CMD_KEY_WORD_LIBJAR);
  StringBuffer libJars=new StringBuffer("String_Node_Str");
  Set<String> libNames=JavaProcessorUtilities.extractLibNamesOnlyForMapperAndReducer(process);
  if (libNames != null && libNames.size() > 0) {
    Iterator<String> itLibNames=libNames.iterator();
    while (itLibNames.hasNext()) {
      libJars.append(getLibFolderInWorkingDir() + itLibNames.next()).append("String_Node_Str");
    }
  }
  list.add(libJars.substring(0,libJars.length() - 1));
  list.add(ProcessorConstants.CMD_KEY_WORD_FS);
  list.add(nameNodeURI == null ? "String_Node_Str" : nameNodeURI);
  list.add(ProcessorConstants.CMD_KEY_WORD_JT);
  list.add(jobTrackerURI == null ? "String_Node_Str" : jobTrackerURI);
  IElementParameter usePropertiesParam=process.getElementParameter("String_Node_Str");
  if (usePropertiesParam != null) {
    boolean useProperties=false;
    if (usePropertiesParam.getValue() instanceof Boolean) {
      useProperties=(Boolean)usePropertiesParam.getValue();
    }
 else     if (Boolean.valueOf((String)usePropertiesParam.getValue())) {
      useProperties=true;
    }
    if (useProperties) {
      IElementParameter propertiesParam=process.getElementParameter("String_Node_Str");
      for (      Map<String,Object> line : (List<Map<String,Object>>)propertiesParam.getValue()) {
        String propertyParam=TalendQuoteUtils.removeQuotes(JavaProcessUtil.getRealParamValueByRunProcess(process,(String)line.get("String_Node_Str")));
        String valueParam=TalendQuoteUtils.removeQuotes(JavaProcessUtil.getRealParamValueByRunProcess(process,(String)line.get("String_Node_Str")));
        list.add("String_Node_Str");
        list.add(propertyParam + "String_Node_Str" + valueParam);
      }
    }
  }
  IElementParameter kerbParam=process.getElementParameter("String_Node_Str");
  if (kerbParam != null) {
    boolean useKrb=false;
    if (kerbParam.getValue() instanceof Boolean) {
      useKrb=(Boolean)kerbParam.getValue();
    }
 else     if (Boolean.valueOf((String)kerbParam.getValue())) {
      useKrb=true;
    }
    if (useKrb) {
      IElementParameter nameNodePrincipal=process.getElementParameter("String_Node_Str");
      list.add("String_Node_Str");
      list.add("String_Node_Str" + TalendQuoteUtils.removeQuotes(JavaProcessUtil.getRealParamValueByRunProcess(process,(String)nameNodePrincipal.getValue())));
    }
  }
  return list;
}