Based on my testing, the file name sapjco3.jnilib is wrong on MacOS. It needs to be libsapjco3.jnilib.
I managed to get things working by placing the files in $HOME/Library/Java/Extensions/ with the JAR named as indicated in your current docs and the native library named as indicated above.
Based on my testing, the file name
sapjco3.jnilib
is wrong on MacOS. It needs to belibsapjco3.jnilib
.I managed to get things working by placing the files in
$HOME/Library/Java/Extensions/
with the JAR named as indicated in your current docs and the native library named as indicated above.