Program: 67325
Project: 67325
Buggy source:
/** 
 * Execute <tt>SELECT</tt> operation on the database
 * @param xrService parent <code>XRService</code> that owns this <code>Operation</code>
 * @param invocation contains runtime argument values to be bound to the list of{@link Parameter}'s.
 * @return  result - the result of the underlying <tt>SELECT</tt> operation onthe database, or <code>null</code>.
 * @see  {@link Operation}
 */
@SuppressWarnings("String_Node_Str") @Override public Object invoke(XRServiceAdapter xrService,Invocation invocation){
  DatabaseQuery query=queryHandler.getDatabaseQuery();
  Vector queryArguments=query.getArguments();
  int queryArgumentsSize=queryArguments.size();
  Vector executeArguments=new NonSynchronizedVector();
  for (int i=0; i < queryArgumentsSize; i++) {
    String argName=(String)queryArguments.get(i);
    executeArguments.add(invocation.getParameter(argName));
  }
  Object value=xrService.getORSession().getActiveSession().executeQuery(query,executeArguments);
  if (value != null) {
    if (isSimpleXMLFormat()) {
      value=createSimpleXMLFormat(xrService,value);
    }
 else {
      QName resultType=getResultType();
      if (isAttachment() || (!isCollection() && resultType.equals(BASE_64_BINARY_QNAME))) {
        String mimeType=DEFAULT_ATTACHMENT_MIMETYPE;
        if (isAttachment() && result.getAttachment().getMimeType() != null) {
          mimeType=result.getAttachment().getMimeType();
        }
        return AttachmentHelper.buildAttachmentHandler((byte[])value,mimeType);
      }
      if (resultType != null && resultType.getNamespaceURI().equals(W3C_XML_SCHEMA_NS_URI)) {
        ValueObject vo=new ValueObject();
        vo.value=value;
        value=vo;
      }
    }
  }
  return value;
}

Fixed version (ground truth):
/** 
 * Execute <tt>SELECT</tt> operation on the database
 * @param xrService parent <code>XRService</code> that owns this <code>Operation</code>
 * @param invocation contains runtime argument values to be bound to the list of{@link Parameter}'s.
 * @return  result - the result of the underlying <tt>SELECT</tt> operation onthe database, or <code>null</code>.
 * @see  {@link Operation}
 */
@SuppressWarnings("String_Node_Str") @Override public Object invoke(XRServiceAdapter xrService,Invocation invocation){
  DatabaseQuery query=queryHandler.getDatabaseQuery();
  List queryArguments=query.getArguments();
  int queryArgumentsSize=queryArguments.size();
  Vector executeArguments=new NonSynchronizedVector();
  for (int i=0; i < queryArgumentsSize; i++) {
    String argName=(String)queryArguments.get(i);
    executeArguments.add(invocation.getParameter(argName));
  }
  Object value=xrService.getORSession().getActiveSession().executeQuery(query,executeArguments);
  if (value != null) {
    if (isSimpleXMLFormat()) {
      value=createSimpleXMLFormat(xrService,value);
    }
 else {
      QName resultType=getResultType();
      if (isAttachment() || (!isCollection() && resultType.equals(BASE_64_BINARY_QNAME))) {
        String mimeType=DEFAULT_ATTACHMENT_MIMETYPE;
        if (isAttachment() && result.getAttachment().getMimeType() != null) {
          mimeType=result.getAttachment().getMimeType();
        }
        return AttachmentHelper.buildAttachmentHandler((byte[])value,mimeType);
      }
      if (resultType != null && resultType.getNamespaceURI().equals(W3C_XML_SCHEMA_NS_URI)) {
        ValueObject vo=new ValueObject();
        vo.value=value;
        value=vo;
      }
    }
  }
  return value;
}