Re: unhelpful exception thrown on predict() when ALS trained model doesn't contain user or product?

Ah cool, thanks for the link! On 6 December 2016 at 12:25, Nick Pentreath wrote: > Indeed, it's being tracked here: https://issues.apache. > org/jira/browse/SPARK-18230 though no Pr has been opened yet. > > > On Tue, 6 Dec 2016 at 13:36 chris snow wrote

unhelpful exception thrown on predict() when ALS trained model doesn't contain user or product?

I'm using the MatrixFactorizationModel.predict() method and encountered the following exception: Name: java.util.NoSuchElementException Message: next on empty iterator StackTrace: scala.collection.Iterator$$anon$2.next(Iterator.scala:39) scala.collection.Iterator$$anon$2.next(Iterator.scala:37) sc