I’m trying to get MQTT persistence set back up under openHAB 2 (was working previously with 1.8.3). I’m currently using build 560 of OH2. Here are the debug messages that MQTT is logging:
2016-10-31 15:13:03.542 [DEBUG] [org.openhab.binding.mqtt] - BundleEvent STARTING - org.openhab.binding.mqtt
2016-10-31 15:13:03.543 [DEBUG] [org.openhab.binding.mqtt.internal.MqttActivator] - MQTT binding has been started.
2016-10-31 15:13:03.561 [DEBUG] [org.openhab.binding.mqtt] - ServiceEvent REGISTERED - {org.openhab.model.item.binding.BindingConfigReader, org.openhab.binding.mqtt.MqttBindingProvider}={component.name=org.openhab.binding.mqtt.genericbindingprovider, component
.id=170, service.id=299, service.bundleid=193, service.scope=bundle} - org.openhab.binding.mqtt
2016-10-31 15:13:03.585 [DEBUG] [org.openhab.binding.mqtt.internal.MqttEventBusBinding] - MQTT: Activating event bus binding.
2016-10-31 15:13:03.590 [DEBUG] [org.openhab.binding.mqtt] - ServiceEvent REGISTERED - {org.osgi.service.event.EventHandler, org.osgi.service.cm.ManagedService}={event.topics=openhab/*, service.pid=org.openhab.mqtt-eventbus, component.name=org.openhab.binding.
mqtt.eventbus, component.id=171, service.id=301, service.bundleid=193, service.scope=bundle} - org.openhab.binding.mqtt
2016-10-31 15:13:03.591 [DEBUG] [org.openhab.binding.mqtt] - ServiceEvent REGISTERED - {org.osgi.service.event.EventHandler}={event.topics=openhab/*, component.name=org.openhab.binding.mqtt.MqttItemBinding, component.id=172, service.id=302, service.bundleid=19
3, service.scope=bundle} - org.openhab.binding.mqtt
2016-10-31 15:13:03.607 [DEBUG] [org.openhab.binding.mqtt] - BundleEvent STARTED - org.openhab.binding.mqtt
2016-10-31 15:13:03.991 [DEBUG] [org.openhab.persistence.mqtt] - BundleEvent STARTING - org.openhab.persistence.mqtt
2016-10-31 15:13:03.997 [DEBUG] [org.openhab.persistence.mqtt] - ServiceEvent REGISTERED - {org.openhab.core.persistence.PersistenceService}={service.pid=org.openhab.mqtt-persistence, broker=ocjtech, topic=openhab, component.name=org.openhab.persistence.mqtt,
message=%1$s, %3$s, component.id=185, service.id=326, service.bundleid=197, service.scope=bundle} - org.openhab.persistence.mqtt
2016-10-31 15:13:04.014 [DEBUG] [org.openhab.persistence.mqtt.internal.MqttPersistenceService] - Deactivating MQTT Persistence
2016-10-31 15:13:04.014 [DEBUG] [org.openhab.persistence.mqtt.internal.MqttPersistenceService] - Configuration updated for MQTT Persistence.
2016-10-31 15:13:04.014 [DEBUG] [org.openhab.persistence.mqtt.internal.MqttPersistenceService] - Activating MQTT Persistence
2016-10-31 15:13:04.135 [DEBUG] [org.openhab.persistence.mqtt] - BundleEvent STARTED - org.openhab.persistence.mqtt
2016-10-31 15:13:05.770 [ERROR] [org.openhab.persistence.mqtt.internal.MqttPersistenceService] - Error sending persistency message for item 'nest_structure_home_name' : java.lang.NullPointerException
Here’s my mqtt.cfg:
ocjtech.url=tcp://192.168.241.61:1883
ocjtech.clientId=openhab
ocjtech.qos=1
And my mqtt-persistence.cfg:
broker=ocjtech
topic=openhab
message=%1$s, %3$s
mqtt.persist:
Strategies {
everyHour : "0 0 * * * ?"
default = everyChange
}
Items {
// persist all items every hour and on every change
* : strategy = everyChange, everyHour
}
The null pointer exception errors keep repeating every time there’s an item change and wireshark shows no connections between openHAB and the MQTT broker.