Hey Karan, I believe you are missing spark-sql dependency. Jozef
Sent from [ProtonMail](https://protonmail.ch), encrypted email based in Switzerland. -------- Original Message -------- Subject: Re: Kafka-Spark Integration - build failing with sbt Local Time: June 17, 2017 10:52 PM UTC Time: June 17, 2017 8:52 PM From: karan.al...@gmail.com To: users@kafka.apache.org, Jozef.koval <jozef.ko...@protonmail.ch> Thanks, i was able to get this working. here is what i added in build.sbt file ---------------------------------------------------------------------------------------------- scalaVersion := "2.11.7" val sparkVers = "2.1.0" // Base Spark-provided dependencies libraryDependencies ++= Seq( "org.apache.spark" %% "spark-core" % sparkVers % "provided", "org.apache.spark" %% "spark-streaming" % sparkVers % "provided", "org.apache.spark" % "spark-streaming-kafka-0-8_2.11" % sparkVers) ------------------------------------------------------------------------------------------------ However, i'm running into addition issue when compiling the file using sbt .. it gives errors as shown below : Pls note - I've added the jars in eclipse, and it works .. however when i use sbt to compile, it is failing. What needs to be done ? I've also tried added the jars in CLASSPATH, but still get the same error. ------------------------------------------------------------------------------------------------- [info] Compiling 1 Scala source to /Users/karanalang/Documents/Technology/Coursera_spark_scala/spark_kafka_code/target/scala-2.11/classes... [error] /Users/karanalang/Documents/Technology/Coursera_spark_scala/spark_kafka_code/src/main/scala/spark/kafka/SparkKafkaDS.scala:6: object SQLContext is not a member of package org.apache.spark.sql [error] import org.apache.spark.sql.SQLContext [error] ^ [error] /Users/karanalang/Documents/Technology/Coursera_spark_scala/spark_kafka_code/src/main/scala/spark/kafka/SparkKafkaDS.scala:10: object SparkSession is not a member of package org.apache.spark.sql [error] import org.apache.spark.sql.SparkSession [error] ^ [error] /Users/karanalang/Documents/Technology/Coursera_spark_scala/spark_kafka_code/src/main/scala/spark/kafka/SparkKafkaDS.scala:11: object types is not a member of package org.apache.spark.sql [error] import org.apache.spark.sql.types.StructField [error] ^ [error] /Users/karanalang/Documents/Technology/Coursera_spark_scala/spark_kafka_code/src/main/scala/spark/kafka/SparkKafkaDS.scala:12: object types is not a member of package org.apache.spark.sql [error] import org.apache.spark.sql.types.StringType [error] ^ [error] /Users/karanalang/Documents/Technology/Coursera_spark_scala/spark_kafka_code/src/main/scala/spark/kafka/SparkKafkaDS.scala:13: object types is not a member of package org.apache.spark.sql [error] import org.apache.spark.sql.types.StructType [error] ^ [error] /Users/karanalang/Documents/Technology/Coursera_spark_scala/spark_kafka_code/src/main/scala/spark/kafka/SparkKafkaDS.scala:14: object Row is not a member of package org.apache.spark.sql [error] import org.apache.spark.sql.Row [error] ^ On Sat, Jun 17, 2017 at 12:35 AM, Jozef.koval <jozef.ko...@protonmail.ch> wrote: Hi Karan, spark-streaming-kafka is for old spark (version < 1.6.3) spark-streaming-kafka-0.8 is for current spark (version > 2.0) Jozef n.b. there is also version for kafka 0.10+ see [this](https://spark.apache.org/docs/latest/streaming-kafka-integration.html) Sent from [ProtonMail](https://protonmail.ch), encrypted email based in Switzerland. -------- Original Message -------- Subject: Kafka-Spark Integration - build failing with sbt Local Time: June 17, 2017 1:50 AM UTC Time: June 16, 2017 11:50 PM From: karan.al...@gmail.com To: users@kafka.apache.org I"m trying to compile kafka & Spark Streaming integration code i.e. reading from Kafka using Spark Streaming, and the sbt build is failing with error - [error] (*:update) sbt.ResolveException: unresolved dependency: org.apache.spark#spark-streaming-kafka_2.11;2.1.0: not found Scala version -> 2.10.7 Spark Version -> 2.1.0 Kafka version -> 0.9 sbt version -> 0.13 Contents of sbt files is as shown below -> 1) vi spark_kafka_code/project/plugins.sbt addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "0.11.2") 2) vi spark_kafka_code/sparkkafka.sbt import AssemblyKeys._ assemblySettings name := "SparkKafka Project" version := "1.0" scalaVersion := "2.11.7" val sparkVers = "2.1.0" // Base Spark-provided dependencies libraryDependencies ++= Seq( "org.apache.spark" %% "spark-core" % sparkVers % "provided", "org.apache.spark" %% "spark-streaming" % sparkVers % "provided", "org.apache.spark" %% "spark-streaming-kafka" % sparkVers) mergeStrategy in assembly := { case m if m.toLowerCase.endsWith("manifest.mf") => MergeStrategy.discard case m if m.toLowerCase.startsWith("META-INF") => MergeStrategy.discard case "reference.conf" => MergeStrategy.concat case m if m.endsWith("UnusedStubClass.class") => MergeStrategy.discard case _ => MergeStrategy.first } i launch sbt, and then try to create an eclipse project, complete error is as shown below - --------------------- sbt [info] Loading global plugins from /Users/karanalang/.sbt/0.13/plugins [info] Loading project definition from /Users/karanalang/Documents/Technology/Coursera_spark_scala/spark_kafka_code/project [info] Set current project to SparkKafka Project (in build file:/Users/karanalang/Documents/Technology/Coursera_spark_scala/spark_kafka_code/) > eclipse [info] About to create Eclipse project files for your project(s). [info] Updating {file:/Users/karanalang/Documents/Technology/Coursera_spark_scala/spark_kafka_code/}spark_kafka_code... [info] Resolving org.apache.spark#spark-streaming-kafka_2.11;2.1.0 ... [warn] module not found: org.apache.spark#spark-streaming-kafka_2.11;2.1.0 [warn] ==== local: tried [warn] /Users/karanalang/.ivy2/local/org.apache.spark/spark-streaming-kafka_2.11/2.1.0/ivys/ivy.xml [warn] ==== activator-launcher-local: tried [warn] /Users/karanalang/.activator/repository/org.apache.spark/spark-streaming-kafka_2.11/2.1.0/ivys/ivy.xml [warn] ==== activator-local: tried [warn] /Users/karanalang/Documents/Technology/SCALA/activator-dist-1.3.10/repository/org.apache.spark/spark-streaming-kafka_2.11/2.1.0/ivys/ivy.xml [warn] ==== public: tried [warn] https://repo1.maven.org/maven2/org/apache/spark/spark-streaming-kafka_2.11/2.1.0/spark-streaming-kafka_2.11-2.1.0.pom [warn] ==== typesafe-releases: tried [warn] http://repo.typesafe.com/typesafe/releases/org/apache/spark/spark-streaming-kafka_2.11/2.1.0/spark-streaming-kafka_2.11-2.1.0.pom [warn] ==== typesafe-ivy-releasez: tried [warn] http://repo.typesafe.com/typesafe/ivy-releases/org.apache.spark/spark-streaming-kafka_2.11/2.1.0/ivys/ivy.xml [info] Resolving jline#jline;2.12.1 ... [warn] :::::::::::::::::::::::::::::::::::::::::::::: [warn] :: UNRESOLVED DEPENDENCIES :: [warn] :::::::::::::::::::::::::::::::::::::::::::::: [warn] :: org.apache.spark#spark-streaming-kafka_2.11;2.1.0: not found [warn] :::::::::::::::::::::::::::::::::::::::::::::: [warn] [warn] Note: Unresolved dependencies path: [warn] org.apache.spark:spark-streaming-kafka_2.11:2.1.0 (/Users/karanalang/Documents/Technology/Coursera_spark_scala/spark_kafka_code/sparkkafka.sbt#L12-16) [warn] +- sparkkafka-project:sparkkafka-project_2.11:1.0 [trace] Stack trace suppressed: run last *:update for the full output. [error] (*:update) sbt.ResolveException: unresolved dependency: org.apache.spark#spark-streaming-kafka_2.11;2.1.0: not found [info] Updating {file:/Users/karanalang/Documents/Technology/Coursera_spark_scala/spark_kafka_code/}spark_kafka_code... [info] Resolving org.apache.spark#spark-streaming-kafka_2.11;2.1.0 ... [warn] module not found: org.apache.spark#spark-streaming-kafka_2.11;2.1.0 [warn] ==== local: tried [warn] /Users/karanalang/.ivy2/local/org.apache.spark/spark-streaming-kafka_2.11/2.1.0/ivys/ivy.xml [warn] ==== activator-launcher-local: tried [warn] /Users/karanalang/.activator/repository/org.apache.spark/spark-streaming-kafka_2.11/2.1.0/ivys/ivy.xml [warn] ==== activator-local: tried [warn] /Users/karanalang/Documents/Technology/SCALA/activator-dist-1.3.10/repository/org.apache.spark/spark-streaming-kafka_2.11/2.1.0/ivys/ivy.xml [warn] ==== public: tried [warn] https://repo1.maven.org/maven2/org/apache/spark/spark-streaming-kafka_2.11/2.1.0/spark-streaming-kafka_2.11-2.1.0.pom [warn] ==== typesafe-releases: tried [warn] http://repo.typesafe.com/typesafe/releases/org/apache/spark/spark-streaming-kafka_2.11/2.1.0/spark-streaming-kafka_2.11-2.1.0.pom [warn] ==== typesafe-ivy-releasez: tried [warn] http://repo.typesafe.com/typesafe/ivy-releases/org.apache.spark/spark-streaming-kafka_2.11/2.1.0/ivys/ivy.xml [info] Resolving jline#jline;2.12.1 ... [warn] :::::::::::::::::::::::::::::::::::::::::::::: [warn] :: UNRESOLVED DEPENDENCIES :: [warn] :::::::::::::::::::::::::::::::::::::::::::::: [warn] :: org.apache.spark#spark-streaming-kafka_2.11;2.1.0: not found [warn] :::::::::::::::::::::::::::::::::::::::::::::: [warn] [warn] Note: Unresolved dependencies path: [warn] org.apache.spark:spark-streaming-kafka_2.11:2.1.0 (/Users/karanalang/Documents/Technology/Coursera_spark_scala/spark_kafka_code/sparkkafka.sbt#L12-16) [warn] +- sparkkafka-project:sparkkafka-project_2.11:1.0 [trace] Stack trace suppressed: run last *:update for the full output. [error] (*:update) sbt.ResolveException: unresolved dependency: org.apache.spark#spark-streaming-kafka_2.11;2.1.0: not found [error] Could not create Eclipse project files: [error] Error evaluating task "scalacOptions": error [error] Error evaluating task "externalDependencyClasspath": error >
