Starting point is a working JMRI 4.10 installation. Everything is fine there, no problems. Now I tried to update to a newer version of JMRI (4.16, 4.17) and found out that the Tams interface ...

I have used various versions of decoderpro for ~8-10 years. Recently I exchanged ~45 messages with the JMRI resources for a problem (#6471) identifying a Rapido SW1200RS sound equipped loco decoder.