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via GitHub by ShafeenaBasheer
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java.lang.NullPointerException at edu.emory.mathcs.nlp.learning.optimization.AdaptiveGradientDescent.expand(AdaptiveGradientDescent.java:47) at edu.emory.mathcs.nlp.learning.optimization.AdaptiveGradientDescentMiniBatch.expand(AdaptiveGradientDescentMiniBatch.java:55) at edu.emory.mathcs.nlp.learning.optimization.OnlineOptimizer.expand(OnlineOptimizer.java:215) at edu.emory.mathcs.nlp.learning.optimization.OnlineOptimizer.train(OnlineOptimizer.java:173) at edu.emory.mathcs.nlp.learning.optimization.OnlineOptimizer.train(OnlineOptimizer.java:167) at edu.emory.mathcs.nlp.component.template.OnlineComponent.process(OnlineComponent.java:201) at edu.emory.mathcs.nlp.component.template.OnlineComponent.process(OnlineComponent.java:173) at edu.emory.mathcs.nlp.component.template.train.OnlineTrainer.iterate(OnlineTrainer.java:299) at edu.emory.mathcs.nlp.component.template.train.OnlineTrainer.train(OnlineTrainer.java:229) at edu.emory.mathcs.nlp.component.template.train.OnlineTrainer.train(OnlineTrainer.java:200) at edu.emory.mathcs.nlp.component.template.train.OnlineTrainer.train(OnlineTrainer.java:187) at edu.emory.mathcs.nlp.bin.NLPTrain.train(NLPTrain.java:77) at edu.emory.mathcs.nlp.bin.NLPTrain.main(NLPTrain.java:117)