I have update my Kibana to 6.4, and run with X-pack is open. after running one week, kibana shutdown abnormally.
and the error logs is as follow:
this.log.info('Re-initializing Kibana Monitoring due to SIGHUP');
TypeError: Cannot read property 'log' of undefined
at process.on (/home/11thone/elk/kibana/node_modules/x-pack/plugins/monitoring/server/kibana_monitoring/collectors/get_ops_stats_collector.js:38:10)
at emitNone (events.js:111:20)
at process.emit (events.js:208:7)
at Signal.wrap.onsignal (internal/process.js:208:44)
could you give some commnets?