Hi, I am trying to use lemmatization as a transformer and added belwo to the build.sbt
"edu.stanford.nlp" % "stanford-corenlp" % "3.6.0", "com.google.protobuf" % "protobuf-java" % "2.6.1", "edu.stanford.nlp" % "stanford-corenlp" % "3.6.0" % "test" classifier "models", "org.scalatest" %% "scalatest" % "2.2.6" % "test" Error: *Exception in thread "main" java.lang.NoClassDefFoundError: edu/stanford/nlp/pipeline/StanfordCoreNLP* I have tried other versions of this spark package. Any help is appreciated..