Program: 123975
Project: 123975
Buggy source:
public void startElement(String uri,String localName,String qName,Attributes attributes) throws SAXException {
  String loopPath=this.loopPath;
  String subLoopPath=this.subLoopPath;
  selectColumns.clear();
  if (loopPath.indexOf("String_Node_Str") != -1) {
    loopPath=this.loopPath.replace("String_Node_Str",qName);
    subLoopPath=this.subLoopPath.replace("String_Node_Str",qName);
    for (    String loopCol : this.loopCols) {
      if (loopCol.indexOf("String_Node_Str") != -1) {
        selectColumns.add(loopCol.replace("String_Node_Str",qName));
      }
 else       if (currentPath.length() > 0) {
        if (this.loopPath.indexOf("String_Node_Str") < this.loopPath.length() - 1) {
          String parent=currentPath.substring(currentPath.lastIndexOf("String_Node_Str") + 1);
          selectColumns.add(loopCol.replace("String_Node_Str",parent));
        }
 else         if (this.loopPath.indexOf("String_Node_Str") == this.loopPath.length() - 1) {
          selectColumns.add(loopCol.replace("String_Node_Str",qName));
        }
      }
    }
  }
 else {
    selectColumns.addAll(this.loopCols);
  }
  currentPath+="String_Node_Str" + qName;
  if (currentPath.equals(loopPath)) {
    isLooping=true;
    subLoopCount=0;
    currentRow=new String[this.loopCols.size() + 1];
    currentRowHaveValue=new boolean[this.loopCols.size() + 1];
  }
  if (isLooping) {
    if (currentPath.equals(subLoopPath)) {
      subLoopCount++;
    }
    for (int i=0; i < selectColumns.size(); i++) {
      String column=selectColumns.get(i);
      boolean asXML=this.asXMLs.get(i);
      outputTexts[i]=false;
      if (asXML && (currentPath.equals(column) || currentPath.startsWith(column + "String_Node_Str"))) {
        if (currentRow[i] == null)         currentRow[i]="String_Node_Str";
        currentRow[i]=currentRow[i] + "String_Node_Str" + qName;
        if (attributes.getLength() > 0) {
          for (int m=0; m < attributes.getLength(); m++) {
            currentRow[i]=currentRow[i] + "String_Node_Str" + attributes.getQName(m)+ "String_Node_Str"+ "String_Node_Str"+ escapeEntityHelper.escapeAttributeEntities(attributes.getValue(m))+ "String_Node_Str";
          }
        }
        outputTexts[i]=true;
        currentRowHaveValue[i]=false;
        currentRow[i]=currentRow[i] + "String_Node_Str";
      }
 else {
        int index=column.lastIndexOf("String_Node_Str");
        if (index > 0) {
          if (currentPath.equals(column.substring(0,index - 1))) {
            String attribute=attributes.getValue(column.substring(index + 1));
            if (attribute != null && false == currentRowHaveValue[i]) {
              currentRow[i]=attribute;
              currentRowHaveValue[i]=true;
            }
          }
        }
 else {
          if (currentPath.equals(column)) {
            outputTexts[i]=true;
          }
        }
      }
    }
    if (this.entry.hasFunctions()) {
      Map<String,Object> map=new HashMap<String,Object>();
      map.put("String_Node_Str",loopPath);
      map.put("String_Node_Str",currentPath);
      map.put("String_Node_Str",attributes);
      listArgs.add(map);
    }
  }
}

Fixed version (ground truth):
public void startElement(String uri,String localName,String qName,Attributes attributes) throws SAXException {
  String loopPath=this.loopPath;
  String subLoopPath=this.subLoopPath;
  selectColumns.clear();
  if (loopPath.indexOf("String_Node_Str") != -1) {
    loopPath=this.loopPath.replace("String_Node_Str",qName);
    subLoopPath=this.subLoopPath.replace("String_Node_Str",qName);
    for (    String loopCol : this.loopCols) {
      if (loopCol.indexOf("String_Node_Str") != -1) {
        selectColumns.add(loopCol.replace("String_Node_Str",qName));
      }
 else       if (currentPath.length() > 0) {
        if (this.loopPath.indexOf("String_Node_Str") < this.loopPath.length() - 1) {
          String parent=currentPath.substring(currentPath.lastIndexOf("String_Node_Str") + 1);
          selectColumns.add(loopCol.replace("String_Node_Str",parent));
        }
 else         if (this.loopPath.indexOf("String_Node_Str") == this.loopPath.length() - 1) {
          selectColumns.add(loopCol.replace("String_Node_Str",qName));
        }
      }
    }
  }
 else {
    selectColumns.addAll(this.loopCols);
  }
  currentPath+="String_Node_Str" + qName;
  if (currentPath.equals(loopPath)) {
    isLooping=true;
    subLoopCount=0;
    currentRow=new String[this.loopCols.size() + 1];
    currentRowHaveValue=new boolean[this.loopCols.size() + 1];
  }
  if (isLooping) {
    if (currentPath.equals(subLoopPath)) {
      subLoopCount++;
    }
    for (int i=0; i < selectColumns.size(); i++) {
      String column=selectColumns.get(i);
      boolean asXML=this.asXMLs.get(i);
      boolean isDot=this.isDots.get(i);
      outputTexts[i]=false;
      if (asXML && (currentPath.equals(column) || currentPath.startsWith(column + "String_Node_Str"))) {
        if (currentRow[i] == null)         currentRow[i]="String_Node_Str";
        currentRow[i]=currentRow[i] + "String_Node_Str" + qName;
        if (attributes.getLength() > 0) {
          for (int m=0; m < attributes.getLength(); m++) {
            currentRow[i]=currentRow[i] + "String_Node_Str" + attributes.getQName(m)+ "String_Node_Str"+ "String_Node_Str"+ escapeEntityHelper.escapeAttributeEntities(attributes.getValue(m))+ "String_Node_Str";
          }
        }
        outputTexts[i]=true;
        currentRowHaveValue[i]=false;
        currentRow[i]=currentRow[i] + "String_Node_Str";
      }
 else       if (isDot && (currentPath.equals(column) || currentPath.startsWith(column + "String_Node_Str"))) {
        outputTexts[i]=true;
        currentRowHaveValue[i]=false;
      }
 else {
        int index=column.lastIndexOf("String_Node_Str");
        if (index > 0) {
          if (currentPath.equals(column.substring(0,index - 1))) {
            String attribute=attributes.getValue(column.substring(index + 1));
            if (attribute != null && false == currentRowHaveValue[i]) {
              currentRow[i]=attribute;
              currentRowHaveValue[i]=true;
            }
          }
        }
 else {
          if (currentPath.equals(column)) {
            outputTexts[i]=true;
          }
        }
      }
    }
    if (this.entry.hasFunctions()) {
      Map<String,Object> map=new HashMap<String,Object>();
      map.put("String_Node_Str",loopPath);
      map.put("String_Node_Str",currentPath);
      map.put("String_Node_Str",attributes);
      listArgs.add(map);
    }
  }
}