java.lang.NullPointerException

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  • java.lang.NullPointerException: Attempt to invoke virtual method 'boolean org.dmg.pmml.PMML.hasModels()' on a null object reference at org.jpmml.evaluator.ModelEvaluator.selectModel(ModelEvaluator.java:584) at org.jpmml.evaluator.nearest_neighbor.NearestNeighborModelEvaluator.<init>(NearestNeighborModelEvaluator.java:105) at com.mygdx.game.DrawView.pitchAngle(DrawView.java:295) at com.mygdx.game.StartGdxGame.render(StartGdxGame.java:113) at com.badlogic.gdx.backends.android.AndroidGraphics.onDrawFrame(AndroidGraphics.java:459) at android.opengl.GLSurfaceView$GLThread.guardedRun(GLSurfaceView.java:1522) at android.opengl.GLSurfaceView$GLThread.run(GLSurfaceView.java:1239)
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