Wouter Born

Does it generate a hs_err_pid*.log file of the crash? If it is an issue with nrjavaserial we should report it or test if it is still an issue with 5.1.0...

Yes that was to be expected. The easiest way to test it without updating/recompiling core is by manually updating the bundle manifest and replacing: `~/.m2/repository/org/openhab/nrjavaserial/3.15.0.OH2/nrjavaserial-3.15.0.OH2.jar` with this [nrjavaserial-3.15.0.OH2.jar](https://github.com/wborn/nrjavaserial/releases/download/reversioned511/nrjavaserial-3.15.0.OH2.jar). It's a...

Your JDK should be fine and I'm also on Ubuntu 18.04 and was also able to reproduce it with another USB stick. It might be that the library encounters some...

OK I did some more testing and it seems that if you just discover the identifiers and then get the identifier it doesn't crash. Can you test if that also...

I've created https://github.com/NeuronRobotics/nrjavaserial/issues/180 for this.

Can you try this reversioned nrjavaserial 5.2.1 in this [nrjavaserial-3.15.0.OH2.jar](https://github.com/wborn/nrjavaserial/releases/download/reversioned521/nrjavaserial-3.15.0.OH2.jar)? It has the latest fixes for unplugging/reinserting USB sticks.

When the port is opened with the newer nrjavaserial versions, it will no longer be part of the discovered ports. I noticed that change in behavior as well, see https://github.com/NeuronRobotics/nrjavaserial/issues/166#issuecomment-613491695....

I don't use the action myself, but according to this [community post](https://community.openhab.org/t/new-telegram-action/4459/73?u=wborn) you may have configured a wrong token.

Can you move this issue to openhab1-addons @kaikreuzer? That's where the telegram action is maintained.

> why it would have to be repeated in 300+ pages If you get to an add-on documentation page via the community forum or a Google search you will never...