I’m using openhab 4.0.3 (still) facing the serial connection issues. Every 1-2 weeks, suddenly no provider for usbtty isn’t found anymore.
Just installed the purejavacomm jar (as described above).
After starting the bundle, I got the message “Unresolved requirement: Import-Package: org.openhab.core.io.transport.serial; version=”[3.0.0,4.0.0)“”.
I checked my installed serial-javacomm package and saw that my installation uses the version 4.0.3.
If I’m understanding the message correctly, the version installed of the package is to new for the bundle.
Has anyone a solution to get the bundle running with OH4?