presto-jmx/src/main/java/io/prestosql/plugin/jmx/JmxPeriodicSampler.java/JmxPeriodicSampler/run
class JmxPeriodicSampler:    @Override
    public void run()
    {
        try {
            runUnsafe();
        }
        catch (Exception exception) {
            // Do not swallow even weirdest exceptions
            log.error(exception, "This should never happen, JmxPeriodicSampler will not be scheduled again.");
        }
    }