我正在从lingpipe网站教程进行情感分析,但不断收到此错误,有人可以提供帮助吗?
java -cp "sentimentDemo.jar:../../../lingpipe e-4.1.0.jar" PolarityBasic file:///Users/dylan/Desktop/POLARITY_DIR/ BASIC POLARITY DEMO Data Directory=file:/Users/dylan/Desktop/POLARITY_DIR/txt_sentoken Thrown: java.lang.NullPointerException java.lang.NullPointerException at com.aliasi.classify.DynamicLMClassifier.createNGramProcess(DynamicLMClassifier.java:313) at PolarityBasic.<init>(PolarityBasic.java:26) at PolarityBasic.main(PolarityBasic.java:92)