Marking inter-module dependencies as "provided"

[Matei Zaharia]

I have a project with a "core" module that brings in a bunch of dependencies, and an "examples" module that depends on core and also brings out a few other JARs. When I build an assembly for the project, I want the "examples" assembly to have everything that examples depends on that isn't in core (or in core's dependencies). Is there a way I can configure the build to do that?

I tried doing the following:

  lazy val core = Project("core", file("core"), settings = coreSettings)

  lazy val examples = Project("examples", file("examples"), settings = examplesSettings) dependsOn(core % "provided")

But SBT (0.12.4) gives the following error when I try to build:

java.lang.IllegalStateException: impossible to get artifacts when data has not been loaded. IvyNode = org.slf4j#slf4j-api;1.6.1

at org.apache.ivy.core.resolve.IvyNode.getArtifacts(IvyNode.java:779)

at org.apache.ivy.core.resolve.IvyNode.getSelectedArtifacts(IvyNode.java:756)

at org.apache.ivy.core.report.ResolveReport.setDependencies(ResolveReport.java:235)

at org.apache.ivy.core.resolve.ResolveEngine.resolve(ResolveEngine.java:234)

at org.apache.ivy.Ivy.resolve(Ivy.java:513)

at sbt.IvyActions$.sbt$IvyActions$$resolve(IvyActions.scala:208)

at sbt.IvyActions$$anonfun$update$1.apply(IvyActions.scala:122)

at sbt.IvyActions$$anonfun$update$1.apply(IvyActions.scala:121)

My guess is that the dependency scope for projects doesn't support the "provided" dependencies available for Maven artifacts. Is there any other way to do this? The only way I've thought of is making "examples" be a completely separate SBT project that you can only build after you publish "core".

[Issac Buenrostro]

Hello Matei,

Did you find a solution for this issue? We are encountering the exact same problem with spark-1.0.0.SNAPSHOT.

Thanks!

Issac

[Matei Zaharia]

I don’t think we figured this out unfortunately. We now make binary distributions with Maven.

Matei

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[Josh Suereth]

This should work, actually but it's hard to tell without more detail.

Are you using the sbt assembly plugin?

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