docs: public static String getExceptionMessage(List throwables)
      {
          if (throwables == null)
          {
              return null;
          }
  
          for (int i = throwables.size()-1; i>0; i--)
          {
              Throwable t = (Throwable) throwables.get(i);
              if (t.getMessage() != null)
              {
                  return t.getMessage();
              }
          }
          
          return null;
      }