在我将smack升级到4.2.0后，我遇到了连接问题。Thefollowingaddressesfailed:'xxxx:5222'failedbecause:de.measite.minidns.hla.ResolutionUnsuccessfulException:Askingforxxxx.INAyieldedanerrorresponseNX_DOMAIN,'52.90.233.38:5222'failedbecause:de.measite.minidns.hla.ResolutionUnsuccessfulException:Askingforxxxx.INAAAAyiel