title: UNRESOLVED DEPENDENCIES error while trying to create jar
body: <p>I'm trying to build a Scala jar file to run it in spark.<br>
  I'm following this <a href="http://spark.apache.org/docs/latest/quick-start.html" rel="noreferrer">tutorial</a>.<br>
  when trying to build jar file using sbt as <a href="http://spark.apache.org/docs/latest/quick-start.html#standalone-applications" rel="noreferrer">here</a>, i'm facing with following error</p>
  
  <pre><code>[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
  </code></pre>
  
  <p>what's the issue and how to solve it.<br></p>
  
  <hr>
  
  <p>Dependency issue has been resolved. Thank you "om-nom-nom"<br>but new error arised</p>
  
  <pre><code>[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
  </code></pre>