Program: 108505
Project: 108505
Buggy source:
/** 
 * Reads the metadata from the file
 * @param map
 * @param zip
 * @throws IOException
 * @throws SAXException
 */
private void readMetadata(final ZipFile zip) throws IOException, SAXException {
  final ZipEntry entry=zip.getEntry("String_Node_Str");
  if (entry == null) {
    throw new IOException(Resources.getMessage("String_Node_Str"));
  }
  final XMLReader xmlReader=XMLReaderFactory.createXMLReader();
  final InputSource inputSource=new InputSource(zip.getInputStream(entry));
  xmlReader.setContentHandler(new XMLHandler(){
    Vocabulary_V2 vocabulary=new Vocabulary_V2();
    String version=null;
    String vocabularyVersion=null;
    @Override protected boolean end(    final String uri,    final String localName,    final String qName) throws SAXException {
      if (vocabulary.isMetadata(localName)) {
        if (vocabularyVersion == null) {
          vocabularyVersion="String_Node_Str";
        }
        WorkerLoad.this.vocabulary=Vocabulary.forVersion(vocabularyVersion);
        WorkerLoad.this.vocabulary.checkVersion(version,Resources.getVersion());
      }
 else       if (vocabulary.isVersion(localName)) {
        version=payload;
      }
 else       if (vocabulary.isVocabulary(localName)) {
        vocabularyVersion=payload;
      }
 else {
        return false;
      }
      return true;
    }
    @Override protected boolean start(    final String uri,    final String localName,    final String qName,    final Attributes attributes) throws SAXException {
      if (vocabulary.isMetadata(localName) || vocabulary.isVersion(localName) || vocabulary.isVocabulary(localName)) {
        return true;
      }
 else {
        return false;
      }
    }
  }
);
  xmlReader.parse(inputSource);
}

Fixed version (ground truth):
/** 
 * Reads the metadata from the file
 * @param map
 * @param zip
 * @throws IOException
 * @throws SAXException
 */
private void readMetadata(final ZipFile zip) throws IOException, SAXException {
  final ZipEntry entry=zip.getEntry("String_Node_Str");
  if (entry == null) {
    throw new IOException(Resources.getMessage("String_Node_Str"));
  }
  final XMLReader xmlReader=XMLReaderFactory.createXMLReader();
  final InputSource inputSource=new InputSource(zip.getInputStream(entry));
  xmlReader.setContentHandler(new XMLHandler(){
    Vocabulary_V2 vocabulary=new Vocabulary_V2();
    String version=null;
    String vocabularyVersion=null;
    @Override protected boolean end(    final String uri,    final String localName,    final String qName) throws SAXException {
      if (vocabulary.isMetadata(localName)) {
        if (vocabularyVersion == null) {
          vocabularyVersion="String_Node_Str";
        }
        WorkerLoad.this.vocabulary=Vocabulary.forVersion(vocabularyVersion);
        WorkerLoad.this.vocabulary.checkVersion(version);
      }
 else       if (vocabulary.isVersion(localName)) {
        version=payload;
      }
 else       if (vocabulary.isVocabulary(localName)) {
        vocabularyVersion=payload;
      }
 else {
        return false;
      }
      return true;
    }
    @Override protected boolean start(    final String uri,    final String localName,    final String qName,    final Attributes attributes) throws SAXException {
      if (vocabulary.isMetadata(localName) || vocabulary.isVersion(localName) || vocabulary.isVocabulary(localName)) {
        return true;
      }
 else {
        return false;
      }
    }
  }
);
  xmlReader.parse(inputSource);
}