Offline and Archive message show as?

I use Spark 2.7.1 and openfire 3.10.2 for chat application and have two problem:

  1. Problem with offline message encoding :
  • user A send message to user B(is offline) , user B can received offline message but when user A use Persian character user B see message like ‘???’.
  • etc problem for Archive . if any user send Persian character in archive shown ???
    please help me !


anybody ?

Same problem. Are you solve this? I’m sending Mongolian character. After upgrade 3.9 to 3.10.2 this errors shown.