SBT裝配falis

Question

我通過intellij運行spark工作。作業執行並給出輸出。我需要這份工作的jar文件到服務器並運行，但是當我嘗試做sbt assembly它拋出以下錯誤：

[error] Not a valid command: assembly 
[error] Not a valid project ID: assembly 
[error] Expected ':' (if selecting a configuration) 
[error] Not a valid key: assembly 
[error] assembly 

我SBT版本是0.13.8

下面

是我build.sbt文件：

import sbt._, Keys._ 
name := "mobilewalla" 
version := "1.0" 
scalaVersion := "2.11.7" 
libraryDependencies ++= Seq("org.apache.spark" %% "spark-core" % "2.0.0", 
"org.apache.spark" %% "spark-sql" % "2.0.0") 

我在項目目錄下添加了一個文件assembly.sbt。它包含：

addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "0.14.3") 

我在這裏

Answer 1

在build.sbt

assemblyMergeStrategy in assembly := { 
    case PathList("META-INF", xs @ _*) => MergeStrategy.discard 
    case x => MergeStrategy.first 
} 
mainClass in assembly := Some("com.SparkMain") 
resolvers += "spray repo" at "http://repo.spray.io" 
assemblyJarName in assembly := "streaming-api.jar" 

添加這些行，包括這些行在你的plugins.sbt文件中

addSbtPlugin("io.spray" % "sbt-revolver" % "0.7.2") 

addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "0.13.0") 

Answer 2

缺什麼要組裝多個罐子一個u需要在plugins.sbt下面添加插件項目目錄下。

addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "0.14.3") 

如果妳需要定製組裝罐子觸發特定MainClass採取例如assembly.sbt

import sbtassembly.Plugin.AssemblyKeys._ 

Project.inConfig(Compile)(baseAssemblySettings) 

mainClass in (Compile, assembly) := Some("<main application name with package path>") 

jarName in (Compile, assembly) := s"${name.value}-${version.value}-dist.jar" 
//below is merge strategy to make what all file need to exclude or include 
mergeStrategy in (Compile, assembly) <<= (mergeStrategy in (Compile, assembly)) { 
    (old) => { 
    case PathList(ps @ _*) if ps.last endsWith ".html" =>MergeStrategy.first 
    case "META-INF/MANIFEST.MF" => MergeStrategy.discard 
    case x => old(x) 
    } 
}