[SOLVED] Nis startup problem

I administrate the crypto nodes for a major exchange in Turkey. Yesterday after a forced reboot by our provider, nis refuses to run. Here is the log: http://paste.ubuntu.com/p/QKswBzFxpN/

Please help.

Resolved on @nemhelpdesk Telegram channel.

spring-websockets (4.1.6)

    public ThreadPoolTaskScheduler messageBrokerSockJsTaskScheduler() {
        ThreadPoolTaskScheduler scheduler = new ThreadPoolTaskScheduler();
        return scheduler;

Runtime.getRuntime().availableProcessors() - this returned from some reason 0.
According java documenation this should never happen:

Probably reason is using openvz.