sbt项目导入scalding报错

Question

为什么在我的项目中导入 scalding sbt 时出现此错误 build.sbt（参考： How to declare dependency on Scalding in sbt project?)。请帮帮我。

lazy val scaldingCore = ProjectRef(uri("https://github.com/twitter/scalding.git"), "scalding-core")
lazy val myProject = project in file(".") dependsOn scaldingCore

Error:Error while importing SBT project:
...
[warn] ==== public: tried [warn]
https://repo1.maven.org/maven2/com/twitter/scalding-core_2.10/0.16.0-SNAPSHOT/scalding-core_2.10-0.16.0-SNAPSHOT.pom [info] Resolving org.scala-lang#scala-compiler;2.10.4 ... [info] Resolving org.scala-lang#scala-reflect;2.10.4 ... [info] Resolving org.scala-lang#jline;2.10.4 ... [info] Resolving org.fusesource.jansi#jansi;1.4 ... [warn] :::::::::::::::::::::::::::::::::::::::::::::: [warn] ::
UNRESOLVED DEPENDENCIES :: [warn] :::::::::::::::::::::::::::::::::::::::::::::: [warn] :: com.twitter#scalding-core_2.10;0.16.0-SNAPSHOT: not found [warn] :::::::::::::::::::::::::::::::::::::::::::::: [warn] [warn] Note: Unresolved dependencies path: [warn] com.twitter:scalding-core_2.10:0.16.0-SNAPSHOT [warn] +- myproject:myproject_2.10:0.1-SNAPSHOT [trace] Stack trace suppressed: run 'last myProject/:update' for the full output. [trace] Stack trace suppressed: run 'last myProject/:ssExtractDependencies' for the full output. [error] (myProject/:update) sbt.ResolveException: unresolved dependency: com.twitter#scalding-core_2.10;0.16.0-SNAPSHOT: not found [error] (myProject/:ssExtractDependencies) sbt.ResolveException: unresolved dependency: com.twitter#scalding-core_2.10;0.16.0-SNAPSHOT: not found

Answer 1

Scalding publishes jars on Sonatype Maven Central, so you really shouldn't need to mess with the Git ProjectRef. You just need to get your sbt resolvers正确以便它可以找到罐子。在您的 build.sbt:

中从这个开始

resolvers ++= Seq(
  Resolver.sonatypeRepo("releases"),
  "Concurrent Maven Repo" at "http://conjars.org/repo"
)

级联 publishes to the Conjars repository 而不是中央，因此您很可能需要如图所示的附加解析器。

最初尝试这些，如果您仍然遇到未解决的错误，您可能需要添加 additional repos that Scalding uses，具体取决于您需要依赖的工件——您可能会 not 需要整个 scalding 超级神器，你可能 trim 下降到 scalding-core、scalding-commons、scalding-repl，也许其他取决于需要你的项目。

所以要清楚，而不是 ProjectRef 和 dependsOn scaldingCore，添加上面的解析器和类似这样的东西：

libraryDependencies ++= {
  val scaldingVersion = "0.16.0-RC6"

  Seq(
    "com.twitter" %% "scalding-core"    % scaldingVersion
  , "com.twitter" %% "scalding-commons" % scaldingVersion
  , "com.twitter" %% "scalding-repl"    % scaldingVersion
  )
}

以此类推

sbt项目导入scalding报错

Error importing scalding in sbt project

twitter

scala

sbt

scalding