How did you install your environment on which you ran "pio train"? Did you build PredictionIO to support Spark 2.4.0? https://predictionio.apache.org/install/install-sourcecode/
On Wed, Mar 13, 2019 at 7:28 PM shoaib hussain <shoaib...@gmail.com> wrote: > > I downloaded the PIO 0.14 jar, isn't it build with Spark 2.4? > > On Wed, Mar 13, 2019 at 2:59 PM takako shimamoto <chiboch...@gmail.com> wrote: >> >> 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 <shoaib...@gmail.com> 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
