docs: public static void setRequestAttribute (@Nonnull final ServletRequest aRequest,
                                            @Nonnull final String sAttrName,
                                            @Nullable final Object aAttrValue)
    {
      try
      {
        aRequest.setAttribute (sAttrName, aAttrValue);
      }
      catch (final Exception ex)
      {
        // Happens in certain Tomcat versions (e.g. 7.0.42 with JDK 8):
        if (isLogExceptions ())
          if (LOGGER.isWarnEnabled ())
            LOGGER.warn ("[ServletHelper] Failed to set attribute '" + sAttrName + "' in HTTP request", ex);
      }
    }