Having same issue after having this running for a month or so: all of a sudden, doesn’t recognize the bulb i have
at java.lang.Thread.run(Thread.java:745)[:1.8.0_121]
2017-07-13 22:02:50.920 [DEBUG] [org.openhab.binding.zigbee ] - ServiceEvent UNREGISTERING - {org.eclipse.smarthome.config.discovery.DiscoveryService}={service.id=382, service.bundleid=214, service.scope=singleton} - org.openhab.binding.zigbee
2017-07-13 22:02:50.922 [DEBUG] [org.openhab.binding.zigbee ] - BundleEvent STOPPED - org.openhab.binding.zigbee
2017-07-13 22:02:52.742 [DEBUG] [org.openhab.binding.zigbee ] - BundleEvent STARTING - org.openhab.binding.zigbee
2017-07-13 22:02:52.745 [DEBUG] [org.openhab.binding.zigbee ] - BundleEvent STARTED - org.openhab.binding.zigbee
2017-07-13 22:02:52.750 [DEBUG] [org.openhab.binding.zigbee ] - ServiceEvent REGISTERED - {org.eclipse.smarthome.config.core.ConfigOptionProvider, org.eclipse.smarthome.config.core.ConfigDescriptionProvider}={component.name=org.openhab.binding.zigbee.internal.ZigBeeConfigProvider, component.id=204, service.id=383, service.bundleid=214, service.scope=bundle} - org.openhab.binding.zigbee
2017-07-13 22:02:52.754 [DEBUG] [org.openhab.binding.zigbee ] - ServiceEvent REGISTERED - {org.openhab.binding.zigbee.internal.ZigBeeConfigProvider}={component.name=org.openhab.binding.zigbee.ConfigDescription, component.id=205, service.id=384, service.bundleid=214, service.scope=bundle} - org.openhab.binding.zigbee
2017-07-13 22:02:52.757 [DEBUG] [org.openhab.binding.zigbee ] - ServiceEvent REGISTERED - {org.eclipse.smarthome.core.thing.binding.ThingHandlerFactory}={component.name=org.openhab.binding.zigbee.internal.ZigBeeHandlerFactory, component.id=206, service.id=385, service.bundleid=214, service.scope=bundle} - org.openhab.binding.zigbee
2017-07-13 22:02:52.773 [DEBUG] [zigbee.internal.ZigBeeHandlerFactory] - Creating coordinator handler for org.eclipse.smarthome.core.thing.internal.BridgeImpl@79a0ea4f
2017-07-13 22:02:52.779 [DEBUG] [ndler.ZigBeeCoordinatorCC2531Handler] - Initializing ZigBee CC2531EMK serial bridge handler.
2017-07-13 22:02:52.780 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Initializing ZigBee network [zigbee:coordinator_cc2531:9d1b1f07].
2017-07-13 22:02:52.780 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Channel 11
2017-07-13 22:02:52.780 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - PANID -25882
2017-07-13 22:02:52.780 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - EPANID 00124B0009EB0987
2017-07-13 22:02:52.781 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Key 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
2017-07-13 22:02:52.781 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Key String 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
2017-07-13 22:02:52.781 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Key array [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
2017-07-13 22:02:52.782 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Key final array [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
2017-07-13 22:02:52.785 [DEBUG] [ndler.ZigBeeCoordinatorCC2531Handler] - ZigBee Coordinator CC2531 opening Port:'/dev/ttyACM1' PAN:ffff9ae6, Channel:11
2017-07-13 22:02:52.786 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Scheduling ZigBee start
2017-07-13 22:02:53.786 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - ZigBee network starting
2017-07-13 22:02:53.786 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Initialising ZigBee coordinator
2017-07-13 22:02:53.787 [DEBUG] [bee.discovery.ZigBeeDiscoveryService] - Creating ZigBee discovery service for zigbee:coordinator_cc2531:9d1b1f07
2017-07-13 22:02:53.788 [DEBUG] [bee.discovery.ZigBeeDiscoveryService] - Activating ZigBee discovery service for zigbee:coordinator_cc2531:9d1b1f07
2017-07-13 22:02:53.789 [DEBUG] [org.openhab.binding.zigbee ] - ServiceEvent REGISTERED - {org.eclipse.smarthome.config.discovery.DiscoveryService}={service.id=386, service.bundleid=214, service.scope=singleton} - org.openhab.binding.zigbee
2017-07-13 22:02:53.790 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Key initialise [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
2017-07-13 22:02:53.791 [DEBUG] [ndler.ZigBeeCoordinatorCC2531Handler] - Opening ZigBee CC2531 serial port
2017-07-13 22:02:53.791 [DEBUG] [ndler.ZigBeeCoordinatorCC2531Handler] - Connecting to serial port [/dev/ttyACM1]
2017-07-13 22:02:53.802 [INFO ] [ndler.ZigBeeCoordinatorCC2531Handler] - Serial port [/dev/ttyACM1] is initialized.
2017-07-13 22:02:54.838 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - initResponse is JOINED
2017-07-13 22:02:54.839 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - initializeNetwork is false
2017-07-13 22:02:55.457 [DEBUG] [zigbee.internal.ZigBeeHandlerFactory] - Creating coordinator handler for org.eclipse.smarthome.core.thing.internal.ThingImpl@64d46ff
2017-07-13 22:02:55.461 [DEBUG] [ng.zigbee.handler.ZigBeeThingHandler] - Initializing ZigBee thing handler zigbee:device:9d1b1f07:e20db9fffe05f523.
2017-07-13 22:02:55.462 [DEBUG] [ng.zigbee.handler.ZigBeeThingHandler] - E20DB9FFFE05F523: Coordinator status changed to ONLINE.
2017-07-13 22:02:55.463 [DEBUG] [ng.zigbee.handler.ZigBeeThingHandler] - E20DB9FFFE05F523: Coordinator is ONLINE. Starting device initialisation.
2017-07-13 22:02:55.465 [DEBUG] [ng.zigbee.handler.ZigBeeThingHandler] - E20DB9FFFE05F523: Command for channel zigbee:device:9d1b1f07:e20db9fffe05f523:E20DB9FFFE05F523_10_switch_onoff --> REFRESH
2017-07-13 22:02:55.465 [WARN ] [ng.zigbee.handler.ZigBeeThingHandler] - No handler found for zigbee:device:9d1b1f07:e20db9fffe05f523:E20DB9FFFE05F523_10_switch_onoff
2017-07-13 22:02:55.466 [DEBUG] [ng.zigbee.handler.ZigBeeThingHandler] - E20DB9FFFE05F523: Command for channel zigbee:device:9d1b1f07:e20db9fffe05f523:E20DB9FFFE05F523_10_switch_dimmer --> REFRESH
2017-07-13 22:02:55.466 [WARN ] [ng.zigbee.handler.ZigBeeThingHandler] - No handler found for zigbee:device:9d1b1f07:e20db9fffe05f523:E20DB9FFFE05F523_10_switch_dimmer
2017-07-13 22:02:55.475 [DEBUG] [ng.zigbee.handler.ZigBeeThingHandler] - E20DB9FFFE05F523: Initialising node
2017-07-13 22:02:55.521 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - Initialise done....... 11 -25882 5149013119273351
2017-07-13 22:03:25.378 [DEBUG] [bee.handler.ZigBeeCoordinatorHandler] - ZigBee Node discovered: IEEE=00124B0009EB0987, NWK=0000, Type=COORDINATOR