KeyRain ClassNotFoundException running with mvn run

[cbmarcum]

running mvn javafx:run results in:

Error: Could not find or load main class com.almasb.fxglgames.keyrain.KeyRainApp
Caused by: java.lang.ClassNotFoundException: com.almasb.fxglgames.keyrain.KeyRainApp
[ERROR] Command execution failed.

Caused by:

<mainClassName>com.almasb.fxglgames.keyrain.KeyRainApp</mainClassName>

but package for KeyRainApp is keyrain