[jira] [Created] (SPARK-21341) Spark 2.1.1: I want to be able to serialize wordVectors on Word2VecModel

["Zied Sellami (JIRA)" <ji...@apache.org>]

Zied Sellami created SPARK-21341:
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             Summary: Spark 2.1.1: I want to be able to serialize wordVectors on Word2VecModel 
                 Key: SPARK-21341
                 URL: https://issues.apache.org/jira/browse/SPARK-21341
             Project: Spark
          Issue Type: Bug
          Components: ML
    Affects Versions: 2.1.1
            Reporter: Zied Sellami


I am using sparContext.saveAsObjectFile to save a complex object containing a pipelineModel with a Word2Vec ML Transformer. When I load the object and call myPipelineModel.transform, Word2VecModel raise a null pointer error on line 292 Word2Vec.scala "wordVectors.getVectors" . I resolve the problem by removing@transient annotation on val wordVectors and @transient lazy val on getVectors function.
-Why this 2 val are transient ?
-Any solution to add a boolean function on the Word2Vec Transformer to force the serialization of wordVectors.



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