java.lang.NullPointerException: Cannot invoke "java.util.List.add(Object)" because "this.controllers" is null
at vavi.games.input.hid4java.spi.Hid4JavaEnvironmentPlugin.attach(Hid4JavaEnvironmentPlugin.java:150)
at vavi.games.input.hid4java.spi.Hid4JavaEnvironmentPlugin$1.hidDeviceAttached(Hid4JavaEnvironmentPlugin.java:61)
at org.hid4java.HidServicesListenerSupport.fireHidDeviceAttached(HidServicesListenerSupport.java:77)
at org.hid4java.HidDeviceManager.scan(HidDeviceManager.java:180)
at org.hid4java.HidDeviceManager.start(HidDeviceManager.java:134)
at org.hid4java.HidServices.start(HidServices.java:140)
at vavi.games.input.hid4java.spi.Hid4JavaEnvironmentPlugin.isSupported(Hid4JavaEnvironmentPlugin.java:195)
at vavi.games.input.hid4java.spi.Hid4JavaEnvironmentPlugin.enumerate(Hid4JavaEnvironmentPlugin.java:90)
at vavi.games.input.hid4java.spi.Hid4JavaEnvironmentPlugin.getControllers(Hid4JavaEnvironmentPlugin.java:179)
at vavi.games.input.hid4java.spi.Hid4JavaEnvironmentPlugin.getController(Hid4JavaEnvironmentPlugin.java:217)