After cloning the project, the first run gives an immediate error due to the missing file ./conf/log4j2.json.sample

When running the server on Windows the following exception is thrown:
NashornPoolFactory - javax.script.ScriptException: :41841:26 empty range in char class
'ru-RU': /^[Ð?-ЯÐ?]+$/i,
^ in at line number 41841 at column number 26

This is due to the following (line 55 of NashornPoolFactory ):
engine.eval(IOUtils.toString(getIOStream("signalk-parser-nmea0183/dist/bundle.js")));
I think you should use the toString(InputStream input, Charset encoding) call specifing UTF-8 encoding to avoid the error (the default encoding is WIN-1252 on Windows)

Placeholder to remind to attend to null writes and consequent reads.

When we have full history we cant just drop the key from a map or such, as we will then get the last valid value, which will be wrong. So we must write a null entry, which we do.

Assume we have set a notification eg
notifications.environment.depth.belowKeel.values.nmea1.II.value.state=alarm

When we have a null object value (alarm ended) being set the influxdbService writes the value as null, eg notifications.environment.depth.belowKeel.values.nmea1.II.value=null,

however this leaves the objects attributes set, eg notifications.environment.depth.belowKeel.values.nmea1.II.value.state=alarm as this is a separate influx key.

Alternatively if we set the notification with null attributes we get the attributes as null (good) but the notification will still be an object of null attributes. (bad)

Need a good way to have both value nullify attributes without a lot of overhead as its not a common case.

Hey guys,

we are developing something pretty new for the marine sector. And we want to rely on signal k.

I just had a look to your source code. I like the way you did it.

But I couldn't find a full schema integrating. Are you doing it by hand, or ist there a automatic way to read it from the json files of the specification repository?
Do you have a roadmap?

Best,
Martin

When runnig the server on Windows the following NPE is thrown:
java.lang.NullPointerException: null at nz.co.fortytwo.signalk.artemis.serial.SerialPortReader.isRunning(SerialPortReader.java:277) ~[classes/:?] at nz.co.fortytwo.signalk.artemis.serial.SerialPortManager.run(SerialPortManager.java:66) [classes/:?]
It is caused by the following:
if (!SystemUtils.IS_OS_WINDOWS) { this.portFile = new File(portName); }
in line 85.

Add a route handler to update XTE etc when a route is activated

See also SignalK/specification#524 as a potentially better way to do this