我最近注意到我的节点红正在全天部署一两次。以下是此重新启动时间内的日志部分。知道造成这些重启的原因是什么吗？我相信这个例子中的问题始于上午7:15。上午7:16，我设置了一个节点，我已经设置为在部署时通知我。
May 3 06:25:02 raspberrypi-home-interface liblogging-stdlog: [origin software="rsyslogd" swVersion="8.24.0" x-pid="354" x-info="http://www.rsyslog.com"] rsyslogd was HUPed
May 3 06:43:54 raspberrypi-home-interface systemd[1]: Starting Daily apt upgrade and clean activities...
May 3 06:43:56 raspberrypi-home-interface systemd[1]: Started Daily apt upgrade and clean activities
May 3 06:43:56 raspberrypi-home-interface systemd[1]: apt-daily-upgrade.timer: Adding 1min 52.535189s random time.
May 3 06:43:56 raspberrypi-home-interface systemd[1]: apt-daily-upgrade.timer: Adding 37min 2.552325s random time.
May 3 07:15:52 raspberrypi-home-interface Node-RED[11414]: 3 May 07:15:52 - [red] Uncaught Exception:
May 3 07:15:52 raspberrypi-home-interface Node-RED[11414]: 3 May 07:15:52 - TypeError: Cannot read property 'hasOwnProperty' of undefined
May 3 07:15:52 raspberrypi-home-interface Node-RED[11414]: at handleResponse (/home/pi/.node-red/node_modules/node-red-node-weather-underground/wunder.js:66:29)
May 3 07:15:52 raspberrypi-home-interface Node-RED[11414]: at Wunderground. <anonymous> (/home/pi/.node-red/node_modules/node-red-node-weather-underground/wunder.js:52:28)
May 3 07:15:52 raspberrypi-home-interface Node-RED[11414]: at Request._call back (/home/pi/.node-red/node_modules/wundergroundnode/lib/wundergroundnode.js:148:22)
May 3 07:15:52 raspberrypi-home-interface Node-RED[11414]: at Request.self.callback (/home/pi/.node-red/node_modules/request/request.js:186:22)
May 3 07:15:52 raspberrypi-home-interface Node-RED[11414]: at emitTwo (events.js:106:13)
May 3 07:15:52 raspberrypi-home-interface Node-RED[11414]: at Request.emit(events.js:191:7)
May 3 07:15:52 raspberrypi-home-interface Node-RED[11414]: at Request.<anonymous> (/home/pi/.node-red/node_modules/request/request.js:1163:10)
May 3 07:15:52 raspberrypi-home-interface Node-RED[11414]: at emitOne (events.js:96:13)
May 3 07:15:52 raspberrypi-home-interface Node-RED[11414]: at Request.emit(events.js:188:7)
May 3 07:15:52 raspberrypi-home-interface Node-RED[11414]: at IncomingMessage.<anonymous> (/home/pi/.node-red/node_modules/request/request.js:1085:12)
May 3 07:15:52 raspberrypi-home-interface Node-RED[11414]: at IncomingMessage.g (events.js:292:16)
May 3 07:15:52 raspberrypi-home-interface Node-RED[11414]: at emitNone (events.js:91:20)
May 3 07:15:52 raspberrypi-home-interface Node-RED[11414]: at IncomingMessage.emit (events.js:185:7)
May 3 07:15:52 raspberrypi-home-interface Node-RED[11414]: at endReadableNT(_stream_readable.js:974:12)
May 3 07:15:52 raspberrypi-home-interface Node-RED[11414]: at _combinedTickCallback (internal/process/next_tick.js:80:11)
May 3 07:15:52 raspberrypi-home-interface Node-RED[11414]: at process._tickCallback (internal/process/next_tick.js:104:9)
May 3 07:15:52 raspberrypi-home-interface systemd[1]: nodered.service: Main process exited, code=exited, status=1/FAILURE
May 3 07:15:52 raspberrypi-home-interface systemd[1]: nodered.service: Unit entered failed state.
May 3 07:15:52 raspberrypi-home-interface systemd[1]: nodered.service: Failed with result 'exit-code'.
May 3 07:15:53 raspberrypi-home-interface systemd[1]: nodered.service: Servicehold-off time over, scheduling restart.
May 3 07:15:53 raspberrypi-home-interface systemd[1]: Stopped Node-RED graphical event wiring tool..
May 3 07:15:53 raspberrypi-home-interface systemd[1]: Started Node-RED graphical event wiring tool..
May 3 07:15:55 raspberrypi-home-interface Node-RED[23224]: 3 May 07:15:55 - [info]
May 3 07:15:55 raspberrypi-home-interface Node-RED[23224]: Welcome to Node-RED
May 3 07:15:55 raspberrypi-home-interface Node-RED[23224]: ===================
May 3 07:15:55 raspberrypi-home-interface Node-RED[23224]: 3 May 07:15:55 - [info] Node-RED version: v0.17.5