Exception being repeated in the logs

Hi, I have Openhab 2 beta 4 install on a pi running rasbian (latest jessie, fully up to date). I’m also running oracle java 8 u101. Myopenhab works (albeit slowly at times). However i’m seeing the following error in the logs. Any ideas what is causing it?

2016-10-17 23:54:27.303 [DEBUG] [o.myopenhab.internal.MyOpenHABClient] - Request method is GET
2016-10-17 23:54:27.309 [DEBUG] [o.myopenhab.internal.MyOpenHABClient] - Jetty set header referer = https://my.openhab.org/basicui/app?sitemap=home
2016-10-17 23:54:27.314 [DEBUG] [o.myopenhab.internal.MyOpenHABClient] - Jetty set header accept-language = en-GB,en-US;q=0.8,en;q=0.6
2016-10-17 23:54:27.319 [DEBUG] [o.myopenhab.internal.MyOpenHABClient] - Jetty set header host = my.openhab.org
2016-10-17 23:54:27.326 [DEBUG] [o.myopenhab.internal.MyOpenHABClient] - Jetty set header dnt = 1
2016-10-17 23:54:27.331 [DEBUG] [o.myopenhab.internal.MyOpenHABClient] - Jetty set header cache-control = no-cache
2016-10-17 23:54:27.336 [DEBUG] [o.myopenhab.internal.MyOpenHABClient] - Jetty set header accept-encoding = gzip, deflate, sdch, br
2016-10-17 23:54:27.342 [DEBUG] [o.myopenhab.internal.MyOpenHABClient] - Jetty set header accept = text/event-stream
2016-10-17 23:54:27.347 [DEBUG] [o.myopenhab.internal.MyOpenHABClient] - Jetty set header user-agent = openhab-cloud/0.0.1
2016-10-17 23:54:27.394 [DEBUG] [o.myopenhab.internal.MyOpenHABClient] - Jetty finished receiving response header
2016-10-17 23:54:27.403 [DEBUG] [o.myopenhab.internal.MyOpenHABClient] - Sent headers to request 1927
2016-10-17 23:54:27.408 [DEBUG] [o.myopenhab.internal.MyOpenHABClient] - {"headers":{"Transfer-Encoding":"chunked","Server":"Jetty(9.2.14.v20151106)","Date":"Mon, 17 Oct 2016 22:54:27 GMT","Content-Type":"text/event-stream"},"responseStatusCode":200,"responseStatusText":"OK","id":1927}
2016-10-17 23:59:27.231 [DEBUG] [o.myopenhab.internal.MyOpenHABClient] - on(): cancel
2016-10-17 23:59:27.237 [DEBUG] [o.myopenhab.internal.MyOpenHABClient] - Received cancel for request 1927
2016-10-17 23:59:27.246 [WARN ] [o.myopenhab.internal.MyOpenHABClient] - Jetty request 1927 failed: null
2016-10-17 23:59:27.252 [INFO ] [clipse.jetty.client.ResponseNotifier] - Exception while notifying listener org.openhab.io.myopenhab.internal.MyOpenHABClient$ResponseListener@163053b
java.lang.NullPointerException
at org.openhab.io.myopenhab.internal.MyOpenHABClient$ResponseListener.onComplete(MyOpenHABClient.java:595)[202:org.openhab.io.myopenhab:2.0.0.b4]
at org.eclipse.jetty.client.ResponseNotifier.notifyComplete(ResponseNotifier.java:193)[67:org.eclipse.jetty.client:9.2.14.v20151106]
at org.eclipse.jetty.client.ResponseNotifier.notifyComplete(ResponseNotifier.java:185)[67:org.eclipse.jetty.client:9.2.14.v20151106]
at org.eclipse.jetty.client.HttpReceiver.terminateResponse(HttpReceiver.java:446)[67:org.eclipse.jetty.client:9.2.14.v20151106]
at org.eclipse.jetty.client.HttpReceiver.abort(HttpReceiver.java:517)[67:org.eclipse.jetty.client:9.2.14.v20151106]
at org.eclipse.jetty.client.HttpChannel.abortResponse(HttpChannel.java:129)[67:org.eclipse.jetty.client:9.2.14.v20151106]
at org.eclipse.jetty.client.HttpChannel.abort(HttpChannel.java:122)[67:org.eclipse.jetty.client:9.2.14.v20151106]
at org.eclipse.jetty.client.HttpExchange.abort(HttpExchange.java:257)[67:org.eclipse.jetty.client:9.2.14.v20151106]
at org.eclipse.jetty.client.HttpConversation.abort(HttpConversation.java:141)[67:org.eclipse.jetty.client:9.2.14.v20151106]
at org.eclipse.jetty.client.HttpRequest.abort(HttpRequest.java:704)[67:org.eclipse.jetty.client:9.2.14.v20151106]
at org.openhab.io.myopenhab.internal.MyOpenHABClient.handleCancelEvent(MyOpenHABClient.java:363)[202:org.openhab.io.myopenhab:2.0.0.b4]
at org.openhab.io.myopenhab.internal.MyOpenHABClient.onEvent(MyOpenHABClient.java:263)[202:org.openhab.io.myopenhab:2.0.0.b4]
at org.openhab.io.myopenhab.internal.MyOpenHABClient$6.call(MyOpenHABClient.java:196)[202:org.openhab.io.myopenhab:2.0.0.b4]
at io.socket.emitter.Emitter.emit(Emitter.java:117)[202:org.openhab.io.myopenhab:2.0.0.b4]
at io.socket.client.Socket.onevent(Socket.java:317)[202:org.openhab.io.myopenhab:2.0.0.b4]
at io.socket.client.Socket.onpacket(Socket.java:280)[202:org.openhab.io.myopenhab:2.0.0.b4]
at io.socket.client.Socket.access$100(Socket.java:18)[202:org.openhab.io.myopenhab:2.0.0.b4]
at io.socket.client.Socket$2$2.call(Socket.java:101)[202:org.openhab.io.myopenhab:2.0.0.b4]
at io.socket.emitter.Emitter.emit(Emitter.java:117)[202:org.openhab.io.myopenhab:2.0.0.b4]
at io.socket.client.Manager.ondecoded(Manager.java:381)[202:org.openhab.io.myopenhab:2.0.0.b4]
at io.socket.client.Manager.access$1200(Manager.java:20)[202:org.openhab.io.myopenhab:2.0.0.b4]
at io.socket.client.Manager$3.call(Manager.java:355)[202:org.openhab.io.myopenhab:2.0.0.b4]
at io.socket.emitter.Emitter.emit(Emitter.java:117)[202:org.openhab.io.myopenhab:2.0.0.b4]
at io.socket.parser.Parser$Decoder.add(Parser.java:156)[202:org.openhab.io.myopenhab:2.0.0.b4]
at io.socket.client.Manager.onda```

I just configured my.openhab and observed the exact same error…
In addition, I could not get the sendNotification and sendBroadcastNotification actions to work. That may be related.
However the OpenHAB app on Android, connected to my.openhab.org, works well and as soon as the state of an item changes, it will display that update.
So I am wondering what the impact of that exception is.

Same for me… Oracle java 1.8 as well but have to confirm the java build number.