Program: 100770
Project: 100770
Buggy source:
@Override public void endElement(final String uri,final String localName,final String qName) throws SAXException {
  if (processRoleLevel > 0) {
    String role=processRoleStack.peek();
    if (processRoleLevel == processRoleStack.size()) {
      role=processRoleStack.pop();
    }
    processRoleLevel--;
    if (ATTR_PROCESSING_ROLE_VALUE_RESOURCE_ONLY.equals(role)) {
      return;
    }
  }
  if (indexTermSpecList.contains(localName)) {
    final IndexTerm term=termStack.pop();
    if (term.getTermName() == null || term.getTermName().trim().equals("String_Node_Str")) {
      if (term.getEndAttribute() != null && !term.hasSubTerms()) {
        return;
      }
 else {
        term.setTermName("String_Node_Str");
        logger.logWarn(MessageUtils.getInstance().getMessage("String_Node_Str").toString());
      }
    }
    if (term.getTermKey() == null) {
      term.setTermKey(term.getTermName());
    }
    if (term.isLeaf()) {
      final IndexTermTarget target=genTarget();
      term.addTarget(target);
    }
    if (termStack.empty()) {
      indexTermList.add(term);
    }
 else {
      final IndexTerm parentTerm=termStack.peek();
      parentTerm.addSubTerm(term);
    }
  }
  if (indexSeeSpecList.contains(localName) || indexSeeAlsoSpecList.contains(localName)) {
    final IndexTerm term=termStack.pop();
    final IndexTerm parentTerm=termStack.peek();
    if (term.getTermKey() == null) {
      term.setTermKey(term.getTermFullName());
    }
    term.addTarget(genTarget());
    parentTerm.addSubTerm(term);
  }
  if (titleSpecList.contains(localName)) {
    inTitleElement=false;
    if (!topicIdStack.empty() && !titleMap.containsKey(topicIdStack.empty())) {
      if (titleMap.size() == 0) {
        defaultTitle=title;
      }
      titleMap.put(topicIdStack.peek(),title);
    }
  }
  if (indexSortAsSpecList.contains(localName)) {
    insideSortingAs=false;
  }
  if (topicSpecList.contains(localName)) {
    topicIdStack.pop();
  }
}

Fixed version (ground truth):
@Override public void endElement(final String uri,final String localName,final String qName) throws SAXException {
  if (processRoleLevel > 0) {
    String role=processRoleStack.peek();
    if (processRoleLevel == processRoleStack.size()) {
      role=processRoleStack.pop();
    }
    processRoleLevel--;
    if (ATTR_PROCESSING_ROLE_VALUE_RESOURCE_ONLY.equals(role)) {
      return;
    }
  }
  if (indexTermSpecList.contains(localName)) {
    final IndexTerm term=termStack.pop();
    if (term.getTermName() == null || term.getTermName().trim().equals("String_Node_Str")) {
      if (term.getEndAttribute() != null && !term.hasSubTerms()) {
        return;
      }
 else {
        term.setTermName("String_Node_Str");
        logger.logWarn(MessageUtils.getInstance().getMessage("String_Node_Str").toString());
      }
    }
    if (term.getTermKey() == null) {
      term.setTermKey(term.getTermName());
    }
    if (term.isLeaf()) {
      final IndexTermTarget target=genTarget();
      term.addTarget(target);
    }
    if (termStack.empty()) {
      indexTermList.add(term);
    }
 else {
      final IndexTerm parentTerm=termStack.peek();
      parentTerm.addSubTerm(term);
    }
  }
  if (indexSeeSpecList.contains(localName) || indexSeeAlsoSpecList.contains(localName)) {
    final IndexTerm term=termStack.pop();
    final IndexTerm parentTerm=termStack.peek();
    if (term.getTermKey() == null) {
      term.setTermKey(term.getTermFullName());
    }
    term.addTarget(genTarget());
    parentTerm.addSubTerm(term);
  }
  if (titleSpecList.contains(localName)) {
    inTitleElement=false;
    if (!topicIdStack.empty() && !titleMap.containsKey(topicIdStack.peek())) {
      if (titleMap.size() == 0) {
        defaultTitle=title;
      }
      titleMap.put(topicIdStack.peek(),title);
    }
  }
  if (indexSortAsSpecList.contains(localName)) {
    insideSortingAs=false;
  }
  if (topicSpecList.contains(localName)) {
    topicIdStack.pop();
  }
}