RuleEngine stops working after 4-6 days

Something stange, rules work 4-6 days, then rules stop working at all.
No errors.
In logs only item ‘updates’ from MQTT.
OH 1.8.3

addons list:

org.openhab.action.astro-1.8.3.jar
org.openhab.action.harmonyhub-1.9.0-SNAPSHOT.jar
org.openhab.action.mqtt-1.8.3.jar
org.openhab.action.pushover-1.8.3.jar
org.openhab.action.xbmc-1.8.3.jar
org.openhab.binding.astro-1.8.3.jar
org.openhab.binding.connectsdk_1.8.0.201601272217.jar
org.openhab.binding.exec-1.8.3.jar
org.openhab.binding.harmonyhub-1.9.0-SNAPSHOT.jar
org.openhab.binding.http-1.8.3.jar
org.openhab.binding.lgtv-1.8.3.jar
org.openhab.binding.mqtt-1.8.3.jar
org.openhab.binding.networkhealth-1.8.3.jar
org.openhab.binding.networkupstools-1.8.3.jar
org.openhab.binding.weather-1.8.3.jar
org.openhab.binding.wol-1.8.3.jar
org.openhab.binding.xbmc-1.8.3.jar
org.openhab.binding.yamahareceiver-1.8.3.jar
org.openhab.io.harmonyhub-1.9.0-SNAPSHOT.jar
org.openhab.persistence.mysql-1.8.3.jar