UNRESOLVED DEPENDENCIES error while trying to create jar

Question

I'm trying to build a Scala jar file to run it in spark.
I'm following this tutorial.
when trying to build jar file using sbt as here, i'm facing with following error

[info] Resolving org.apache.spark#spark-core_2.10.4;1.0.2 ... [warn]  module not found: org.apache.spark#spark-core_2.10.4;1.0.2 [warn] ==== local: tried [warn]   /home/hduser/.ivy2/local/org.apache.spark/spark-core_2.10.4/1.0.2/ivys/ivy.xml [warn] ==== Akka Repository: tried [warn]   http://repo.akka.io/releases/org/apache/spark/spark-core_2.10.4/1.0.2/spark-core_2.10.4-1.0.2.pom [warn] ==== public: tried [warn]   http://repo1.maven.org/maven2/org/apache/spark/spark-core_2.10.4/1.0.2/spark-core_2.10.4-1.0.2.pom [warn]  :::::::::::::::::::::::::::::::::::::::::::::: [warn]  ::          UNRESOLVED DEPENDENCIES         :: [warn]  :::::::::::::::::::::::::::::::::::::::::::::: [warn]  :: org.apache.spark#spark-core_2.10.4;1.0.2: not found [warn]  :::::::::::::::::::::::::::::::::::::::::::::: [error] {file:/home/prithvi/scala/asd/}default-d57abf/*:update: sbt.ResolveException: unresolved dependency: org.apache.spark#spark-core_2.10.4;1.0.2: not found [error] Total time: 2 s, completed 13 Aug, 2014 5:24:24 PM 

what's the issue and how to solve it.

---

Dependency issue has been resolved. Thank you "om-nom-nom"
but new error arised

[warn]  :::::::::::::::::::::::::::::::::::::::::::::: [warn]  ::              FAILED DOWNLOADS            :: [warn]  :: ^ see resolution messages for details  ^ :: [warn]  :::::::::::::::::::::::::::::::::::::::::::::: [warn]  :: org.eclipse.jetty.orbit#javax.transaction;1.1.1.v201105210645!javax.transaction.orbit [warn]  :: org.eclipse.jetty.orbit#javax.servlet;3.0.0.v201112011016!javax.servlet.orbit [warn]  :: org.eclipse.jetty.orbit#javax.mail.glassfish;1.4.1.v201005082020!javax.mail.glassfish.orbit [warn]  :: org.eclipse.jetty.orbit#javax.activation;1.1.0.v201105071233!javax.activation.orbit [warn]  :::::::::::::::::::::::::::::::::::::::::::::: [error] {file:/home/prithvi/scala/asd/}default-c011e4/*:update: sbt.ResolveException: download failed: org.eclipse.jetty.orbit#javax.transaction;1.1.1.v201105210645!javax.transaction.orbit [error] download failed: org.eclipse.jetty.orbit#javax.servlet;3.0.0.v201112011016!javax.servlet.orbit [error] download failed: org.eclipse.jetty.orbit#javax.mail.glassfish;1.4.1.v201005082020!javax.mail.glassfish.orbit [error] download failed: org.eclipse.jetty.orbit#javax.activation;1.1.0.v201105071233!javax.activation.orbit [error] Total time: 855 s, completed 14 Aug, 2014 12:28:33 PM 

Answer 1

You have your dependency defined as

"org.apache.spark" %% "spark-core" % "1.0.2" 

That %% instructs sbt to substitute current scala version to artifact name. Apparently, spark was build for the whole family of 2.10 scala, without specific jars for 2.10.1, 2.10.2 ...

So all you have to do is to redefine it as:

"org.apache.spark" % "spark-core_2.10" % "1.0.2" 

Answer 2

I had the same issue. Looks like that some bugs are in different versions/compilations/etc.

For me the following build.sbt worked fine

name := "My Project"   version := "1.0"   scalaVersion := "2.11.8"   libraryDependencies += "org.apache.spark" %% "spark-sql" % "2.3.2"   

Hope it helps