dav1n

Pulling into a terminal shell shows the following processes: /tmp # ps augx PID USER TIME COMMAND 1 root 0:00 /opt/base/sbin/cinit --progname supervisor --default-service-uid 0 --default-service-gid 0 963 root 0:00...

It tries, but crashed immediately. Here's the relevant snippet from the logs (let me know if you need more). And if there is any other debugging info that you're like...

My engine_error.log is also empty. And here is what repeats continuously in engine_output.log: Initializing the JVM arguments. Creating the Java virtual machine. Number of arguments: 21 Error occurred during initialization...

On my QNAP, tail -f on engine_output is just a repeat of the same "paragraph", but with different random characters after "Unable to load native library:" Initializing the JVM arguments....

The same security-opt worked for me!!! Thank you @charlesdunbar !