Cannot resolve ScalaTest from Gradle

StackOverflow https://stackoverflow.com//questions/21048879

  •  21-12-2019
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Question

I'm trying to run a simple ScalaTest class with gradle but I keep getting this log from gradle:

* What went wrong:
Could not resolve all dependencies for configuration ':testCompile'.
> Could not download artifact 'org.scala-lang:scala-library:2.10.3@jar'
   > Artifact 'org.scala-lang:scala-library:2.10.3@jar' not found.

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug
option to get more log output.

I have these dependencies:

dependencies {
    compile "io.spray:spray-client:1.2.0"
    compile "org.scala-lang:scala-library:2.10.3"
    compile "org.scalatest:scalatest_2.10:1.9.1"
}

If I run the task with the --stacktrace option I get this:

* Exception is:
org.gradle.api.artifacts.ResolveException: Could not resolve all dependencies for configuration ':testCompile'.
        at org.gradle.api.internal.artifacts.ivyservice.ErrorHandlingArtifactDep
endencyResolver.wrapException(ErrorHandlingArtifactDependencyResolver.java:51)
        at org.gradle.api.internal.artifacts.ivyservice.ErrorHandlingArtifactDep
endencyResolver.access$000(ErrorHandlingArtifactDependencyResolver.java:29)
        at org.gradle.api.internal.artifacts.ivyservice.ErrorHandlingArtifactDep
endencyResolver$ErrorHandlingResolvedConfiguration.getFiles(ErrorHandlingArtifac
tDependencyResolver.java:84)

Basically I'm using the default maven repositores:

repositories {
    mavenLocal()
    mavenCentral()
}
Was it helpful?

Solution

There is no 2.10.3 version of scala-library on Maven Central. The latest I see is 2.10.2-RC2. That's likely the problem.

EDIT: 2.10.3 is available from Maven Central (I looked in the wrong place). Given the information you provided, I can't say what the problem is, but here is what I'd do:

  1. To rule out a general networking problem, go to http://central.maven.org/maven2/org/scala-lang/scala-library/2.10.3/ in your browser, and download the Jar manually.
  2. Make sure you aren't behind a proxy, or configure Gradle accordingly if you are.
  3. Remove declaration of mavenLocal().
  4. Run gradle clean build --refresh-dependencies.
  5. Delete or rename ~/.gradle, and try again.
  6. If problem persists, run with --info, --debug, or --stacktrace, and look for hints.

PS: ScalaTest usually goes on the testCompile configuration.

PPS: mavenLocal() should only be declared when exchanging artifacts with local Maven builds. It won't save any downloading time or anything. Conversely, it will make the build slower and less repeatable.

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