Github user hareeshmu commented on the issue:
https://github.com/apache/incubator-predictionio-template-text-classifier/pull/14
@takezoe
PredictionIO 0.12.0.
using emails.json data
While training the modal following error is coming:
```
Exception in thread "main" java.lang.IllegalArgumentException: requirement
failed: Column features must be of type
org.apache.spark.ml.linalg.VectorUDT@3bfc3ba7 but was actually
org.apache.spark.mllib.linalg.VectorUDT@f71b0bce.
at scala.Predef$.require(Predef.scala:224)
at
org.apache.spark.ml.util.SchemaUtils$.checkColumnType(SchemaUtils.scala:42)
at
org.apache.spark.ml.PredictorParams$class.validateAndTransformSchema(Predictor.scala:51)
at
org.apache.spark.ml.classification.Classifier.org$apache$spark$ml$classification$ClassifierParams$$super$validateAndTransformSchema(Classifier.scala:58)
at
org.apache.spark.ml.classification.ClassifierParams$class.validateAndTransformSchema(Classifier.scala:42)
at
org.apache.spark.ml.classification.ProbabilisticClassifier.org$apache$spark$ml$classification$ProbabilisticClassifierParams$$super$validateAndTransformSchema(ProbabilisticClassifier.scala:53)
at
org.apache.spark.ml.classification.ProbabilisticClassifierParams$class.validateAndTransformSchema(ProbabilisticClassifier.scala:37)
at
org.apache.spark.ml.classification.LogisticRegression.org$apache$spark$ml$classification$LogisticRegressionParams$$super$validateAndTransformSchema(LogisticRegression.scala:193)
at
org.apache.spark.ml.classification.LogisticRegressionParams$class.validateAndTransformSchema(LogisticRegression.scala:184)
at
org.apache.spark.ml.classification.LogisticRegression.validateAndTransformSchema(LogisticRegression.scala:193)
at org.apache.spark.ml.Predictor.transformSchema(Predictor.scala:122)
at org.apache.spark.ml.PipelineStage.transformSchema(Pipeline.scala:74)
at org.apache.spark.ml.Predictor.fit(Predictor.scala:90)
at
org.example.textclassification.LRAlgorithm$$anonfun$3.apply(LRAlgorithm.scala:50)
at
org.example.textclassification.LRAlgorithm$$anonfun$3.apply(LRAlgorithm.scala:47)
at
scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
at
scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
at
scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48)
at scala.collection.TraversableLike$class.map(TraversableLike.scala:234)
at scala.collection.AbstractTraversable.map(Traversable.scala:104)
at
org.example.textclassification.LRAlgorithm.train(LRAlgorithm.scala:46)
at
org.example.textclassification.LRAlgorithm.train(LRAlgorithm.scala:17)
at
org.apache.predictionio.controller.P2LAlgorithm.trainBase(P2LAlgorithm.scala:49)
at
org.apache.predictionio.controller.Engine$$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)
```
---
