[GitHub] incubator-predictionio-template-text-classifier issue #14: Fix use of case c...

[hareeshmu <gi...@git.apache.org>]

Github user hareeshmu commented on the issue:

    https://github.com/apache/incubator-predictionio-template-text-classifier/pull/14
  
    How to make this compatible with **PredictionIO-0.12.0-incubating**
    Able to build after adding `scalaVersion := "2.11.8"` in the build.sbt 
    
    But` pio train` fails: 
    ```
    Exception in thread "main" java.lang.NoSuchMethodError: org.apache.spark.sql.SQLContext$implicits$.rddToDataFrameHolder(Lorg/apache/spark/rdd/RDD;Lscala/reflect/api/TypeTags$TypeTag;)Lorg/apache/spark/sql/DataFrameHolder;
    	at org.example.textclassification.LRAlgorithm.train(LRAlgorithm.scala:37)
    	at org.example.textclassification.LRAlgorithm.train(LRAlgorithm.scala:19)
    	at org.apache.predictionio.controller.P2LAlgorithm.trainBase(P2LAlgorithm.scala:49)
    	at org.apache.predictionio.controller.Engine$$anonfun$18.apply(Engine.scala:690)
    	at org.apache.predictionio.controller.Engine$$anonfun$18.apply(Engine.scala:690)
    	at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
    	at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
    	at scala.collection.immutable.List.foreach(List.scala:381)
    	at scala.collection.TraversableLike$class.map(TraversableLike.scala:234)
    	at scala.collection.immutable.List.map(List.scala:285)
    	at org.apache.predictionio.controller.Engine$.train(Engine.scala:690)
    	at org.apache.predictionio.controller.Engine.train(Engine.scala:176)
    	at org.apache.predictionio.workflow.CoreWorkflow$.runTrain(CoreWorkflow.scala:67)
    	at org.apache.predictionio.workflow.CreateWorkflow$.main(CreateWorkflow.scala:251)
    	at org.apache.predictionio.workflow.CreateWorkflow.main(CreateWorkflow.scala)
    	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    	at java.lang.reflect.Method.invoke(Method.java:498)
    	at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:743)
    	at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:187)
    	at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:212)
    	at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:126)
    	at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
    
    ```


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