If you want to use Spark 2.4, you need to build PredictionIO against Spark 2.4 (json4s 3.5.3).
On Wed, Mar 13, 2019 at 6:23 PM shoaib hussain <[email protected]> wrote: > > Following is my build.sbt > > scalaVersion := "2.11.12" > libraryDependencies ++= Seq( > "org.apache.predictionio" %% "apache-predictionio-core" % "0.14.0" % > "provided", > "org.apache.spark" %% "spark-core" % "2.4.0" % > "provided", > "org.apache.spark" %% "spark-mllib" % "2.4.0" % > "provided", > "org.apache.lucene" % "lucene-core" % "6.5.1", > "org.apache.lucene" % "lucene-analyzers-common" % "6.5.1", > "org.xerial.snappy" % "snappy-java" % "1.1.1.7", > "com.esotericsoftware" % "kryo" % "4.0.1", > "org.json4s" % "json4s-core_2.11" % "3.6.5", > "org.json4s" % "json4s-native_2.11" % "3.6.5", > "org.json4s" % "json4s-jackson_2.11" % "3.6.5" > ) > > and I'm getting this error when I run "pio train". > > Exception in thread "main" java.lang.NoSuchMethodError: > org.json4s.ParserUtil$.quote(Ljava/lang/String;)Ljava/lang/String; > > I tried with different versions of json4s, but no luck. getting same error > all the time. > > > > -- > Thank you. > > Regards, > > Shoaib Hussain
