sbt plugin to deploy a scoobi program in a self contained deployable jar
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This project is now deprecated. Please see Scoobi's userguide on using how to use sbt-assembly.


sbt-scoobi is an sbt plugin that allows you to build self contained jars ready to use with



How To Use

Create a file at $PROJECT_ROOT/project/plugins.sbt:

resolvers += "Sbt Scoobi" at ""

addSbtPlugin("com.nicta" %% "sbt-scoobi" % "0.0.1")

Now from sbt you will have a new package-hadoop task which will compile your project, run your tests, and then pack your class files and all your dependencies into a single JAR file: target/scala_X.X.X/projectname-hadoop-X.X.X.jar.

This jar is ready to send to haddop, using "hadoop jar projectname-hadoop-X.X.X.jar"

Note: There is currently an undiagnosed issue in which there is an error finding "scala.math" from inside javassist. This appears to be a Mac specific issue, and a work around exists. Set $HADOOP_CLASSPATH to the name of the built jar, then run hadoop by passing in the name of the object with a main function to execute. e.g.

    # mac workaround
    $ export HADOOP_CLASSPATH=/path/to/WordCount-haddop-0.1.jar
    $ hadoop ExamplesMainObjectToRun

Other options

There are a few extra options you can use in your build.sbt, to:

  • To change jar name:

      ScoobiKeys.jarName := "newName.jar"
  • Don't run tests when building jar:

      ScoobiKeys.test := {}
  • If sbt is unable to correctly detect the intended main function to execute when the jar is run, you can tell it (make sure the NameOfTheClass is fully qualified)

      mainClass := Some("NameOfTheClass")


Copyright (c) 2010-2011 e.e d3si9n, Coda Hale

Published under The MIT License, see LICENSE