Since moving to the snapshotversion(#147) I am getting the following error when receiving the scheduled messages (every 30 seconds) from a Shelly device. The functions used are IMHO not affected.
2020-06-18 19:07:51.204 [ERROR] [ansport.mqtt.internal.ClientCallback] - MQTT message received. MqttMessageSubscriber#processMessage() implementation failure
java.lang.NullPointerException: null
at org.openhab.transform.javascript.internal.JavaScriptEngineManager.getScript(JavaScriptEngineManager.java:68) ~[?:?]
at org.openhab.transform.javascript.internal.JavaScriptTransformationService.transform(JavaScriptTransformationService.java:74) ~[?:?]
at org.openhab.binding.mqtt.generic.ChannelStateTransformation.processValue(ChannelStateTransformation.java:91) ~[?:?]
at org.openhab.binding.mqtt.generic.ChannelState.processMessage(ChannelState.java:158) ~[?:?]
at org.eclipse.smarthome.io.transport.mqtt.internal.ClientCallback.lambda$3(ClientCallback.java:96) ~[?:?]
at java.util.ArrayList.forEach(ArrayList.java:1257) ~[?:1.8.0_252]
at org.eclipse.smarthome.io.transport.mqtt.internal.ClientCallback.messageArrived(ClientCallback.java:96) ~[?:?]
at org.eclipse.smarthome.io.transport.mqtt.internal.ClientCallback.messageArrived(ClientCallback.java:71) ~[?:?]
at com.hivemq.client.internal.mqtt.mqtt3.Mqtt3AsyncClientView.lambda$callbackView$1(Mqtt3AsyncClientView.java:73) ~[bundleFile:?]
at com.hivemq.client.internal.mqtt.MqttAsyncClient$CallbackSubscriber.onNext(MqttAsyncClient.java:227) [bundleFile:?]
at com.hivemq.client.internal.mqtt.MqttAsyncClient$CallbackSubscriber.onNext(MqttAsyncClient.java:212) [bundleFile:?]
at com.hivemq.client.rx.FlowableWithSingle$SingleFutureSubscriber.onNext(FlowableWithSingle.java:377) [bundleFile:?]
at com.hivemq.client.internal.rx.operators.FlowableWithSingleCombine$SplitSubscriber$Default.tryOnNextActual(FlowableWithSingleCombine.java:206) [bundleFile:?]
at com.hivemq.client.internal.rx.operators.FlowableWithSingleCombine$SplitSubscriber.tryOnNext(FlowableWithSingleCombine.java:171) [bundleFile:?]
at io.reactivex.internal.operators.flowable.FlowableObserveOn$ObserveOnConditionalSubscriber.runAsync(FlowableObserveOn.java:649) [bundleFile:?]
at io.reactivex.internal.operators.flowable.FlowableObserveOn$BaseObserveOnSubscriber.run(FlowableObserveOn.java:176) [bundleFile:?]
at io.reactivex.internal.schedulers.ScheduledRunnable.run(ScheduledRunnable.java:66) [bundleFile:?]
at io.reactivex.internal.schedulers.ScheduledRunnable.call(ScheduledRunnable.java:57) [bundleFile:?]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_252]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) [?:1.8.0_252]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [?:1.8.0_252]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_252]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_252]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_252]