Little bit more investigation… seems to be an issue of nrjavaserial-5.2.1.jar.
See also ARMv5 crashes the JVM · Issue #224 · NeuronRobotics/nrjavaserial · GitHub
For my raspberry it should be used the lib libNRJavaSerialv8.so, not libNRJavaSerialv8_HF.so.
tried to change by copy the ‘right’ file to the place, where openhab store it:
/var/lib/openhab/tmp/libNRJavaSerialv8_HF_openhab_0/libNRJavaSerialv8_HF.so
But in the first step, openhab did overwrite it. Next step giving openhab no access rights to file and directory: It creates a new directory and uses it (/var/lib/openhab/tmp/libNRJavaSerialv8_HF_openhab_1)
Have someone the idea how I could do a change, that openhab is use the other (hopefully right) file ?