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    e7423d40
    Revert "SPARK-1236 - Upgrade Jetty to 9.1.3.v20140225." · e7423d40
    Patrick Wendell authored
    This reverts commit ca4bf8c5.
    
    Jetty 9 requires JDK7 which is probably not a dependency we want to bump right now. Before Spark 1.0 we should consider upgrading to Jetty 8. However, in the mean time to ease some pain let's revert this. Sorry for not catching this during the initial review. cc/ @rxin
    
    Author: Patrick Wendell <pwendell@gmail.com>
    
    Closes #167 from pwendell/jetty-revert and squashes the following commits:
    
    811b1c5 [Patrick Wendell] Revert "SPARK-1236 - Upgrade Jetty to 9.1.3.v20140225."
    e7423d40
    History
    Revert "SPARK-1236 - Upgrade Jetty to 9.1.3.v20140225."
    Patrick Wendell authored
    This reverts commit ca4bf8c5.
    
    Jetty 9 requires JDK7 which is probably not a dependency we want to bump right now. Before Spark 1.0 we should consider upgrading to Jetty 8. However, in the mean time to ease some pain let's revert this. Sorry for not catching this during the initial review. cc/ @rxin
    
    Author: Patrick Wendell <pwendell@gmail.com>
    
    Closes #167 from pwendell/jetty-revert and squashes the following commits:
    
    811b1c5 [Patrick Wendell] Revert "SPARK-1236 - Upgrade Jetty to 9.1.3.v20140225."
SparkBuild.scala 21.86 KiB
/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import sbt._
import sbt.Classpaths.publishTask
import Keys._
import sbtassembly.Plugin._
import AssemblyKeys._
import scala.util.Properties
import org.scalastyle.sbt.ScalastylePlugin.{Settings => ScalaStyleSettings}

import scala.collection.JavaConversions._

// For Sonatype publishing
//import com.jsuereth.pgp.sbtplugin.PgpKeys._

object SparkBuild extends Build {
  // Hadoop version to build against. For example, "1.0.4" for Apache releases, or
  // "2.0.0-mr1-cdh4.2.0" for Cloudera Hadoop. Note that these variables can be set
  // through the environment variables SPARK_HADOOP_VERSION and SPARK_YARN.
  val DEFAULT_HADOOP_VERSION = "1.0.4"

  // Whether the Hadoop version to build against is 2.2.x, or a variant of it. This can be set
  // through the SPARK_IS_NEW_HADOOP environment variable.
  val DEFAULT_IS_NEW_HADOOP = false

  val DEFAULT_YARN = false

  // HBase version; set as appropriate.
  val HBASE_VERSION = "0.94.6"

  // Target JVM version
  val SCALAC_JVM_VERSION = "jvm-1.6"
  val JAVAC_JVM_VERSION = "1.6"

  lazy val root = Project("root", file("."), settings = rootSettings) aggregate(allProjects: _*)

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

  lazy val repl = Project("repl", file("repl"), settings = replSettings)
    .dependsOn(core, graphx, bagel, mllib)

  lazy val tools = Project("tools", file("tools"), settings = toolsSettings) dependsOn(core) dependsOn(streaming)

  lazy val bagel = Project("bagel", file("bagel"), settings = bagelSettings) dependsOn(core)

  lazy val graphx = Project("graphx", file("graphx"), settings = graphxSettings) dependsOn(core)

  lazy val streaming = Project("streaming", file("streaming"), settings = streamingSettings) dependsOn(core)

  lazy val mllib = Project("mllib", file("mllib"), settings = mllibSettings) dependsOn(core)

  lazy val assemblyProj = Project("assembly", file("assembly"), settings = assemblyProjSettings)
    .dependsOn(core, graphx, bagel, mllib, repl, streaming) dependsOn(maybeYarn: _*) dependsOn(maybeGanglia: _*)

  lazy val assembleDeps = TaskKey[Unit]("assemble-deps", "Build assembly of dependencies and packages Spark projects")

  // A configuration to set an alternative publishLocalConfiguration
  lazy val MavenCompile = config("m2r") extend(Compile)
  lazy val publishLocalBoth = TaskKey[Unit]("publish-local", "publish local for m2 and ivy")
  val sparkHome = System.getProperty("user.dir")

  // Allows build configuration to be set through environment variables
  lazy val hadoopVersion = Properties.envOrElse("SPARK_HADOOP_VERSION", DEFAULT_HADOOP_VERSION)
  lazy val isNewHadoop = Properties.envOrNone("SPARK_IS_NEW_HADOOP") match {
    case None => {
      val isNewHadoopVersion = "2.[2-9]+".r.findFirstIn(hadoopVersion).isDefined
      (isNewHadoopVersion|| DEFAULT_IS_NEW_HADOOP)
    }
    case Some(v) => v.toBoolean
  }

  lazy val isYarnEnabled = Properties.envOrNone("SPARK_YARN") match {
    case None => DEFAULT_YARN
    case Some(v) => v.toBoolean
  }
  lazy val hadoopClient = if (hadoopVersion.startsWith("0.20.") || hadoopVersion == "1.0.0") "hadoop-core" else "hadoop-client"
  val maybeAvro = if (hadoopVersion.startsWith("0.23.") && isYarnEnabled) Seq("org.apache.avro" % "avro" % "1.7.4") else Seq()

  // Include Ganglia integration if the user has enabled Ganglia
  // This is isolated from the normal build due to LGPL-licensed code in the library
  lazy val isGangliaEnabled = Properties.envOrNone("SPARK_GANGLIA_LGPL").isDefined
  lazy val gangliaProj = Project("spark-ganglia-lgpl", file("extras/spark-ganglia-lgpl"), settings = gangliaSettings).dependsOn(core)
  val maybeGanglia: Seq[ClasspathDependency] = if (isGangliaEnabled) Seq(gangliaProj) else Seq()
  val maybeGangliaRef: Seq[ProjectReference] = if (isGangliaEnabled) Seq(gangliaProj) else Seq()

  // Include the Java 8 project if the JVM version is 8+
  lazy val javaVersion = System.getProperty("java.specification.version")
  lazy val isJava8Enabled = javaVersion.toDouble >= "1.8".toDouble
  val maybeJava8Tests = if (isJava8Enabled) Seq[ProjectReference](java8Tests) else Seq[ProjectReference]()
  lazy val java8Tests = Project("java8-tests", file("extras/java8-tests"), settings = java8TestsSettings).
    dependsOn(core) dependsOn(streaming % "compile->compile;test->test")

  // Include the YARN project if the user has enabled YARN
  lazy val yarnAlpha = Project("yarn-alpha", file("yarn/alpha"), settings = yarnAlphaSettings) dependsOn(core)
  lazy val yarn = Project("yarn", file("yarn/stable"), settings = yarnSettings) dependsOn(core)

  lazy val maybeYarn: Seq[ClasspathDependency] = if (isYarnEnabled) Seq(if (isNewHadoop) yarn else yarnAlpha) else Seq()
  lazy val maybeYarnRef: Seq[ProjectReference] = if (isYarnEnabled) Seq(if (isNewHadoop) yarn else yarnAlpha) else Seq()

  lazy val externalTwitter = Project("external-twitter", file("external/twitter"), settings = twitterSettings)
    .dependsOn(streaming % "compile->compile;test->test")

  lazy val externalKafka = Project("external-kafka", file("external/kafka"), settings = kafkaSettings)
    .dependsOn(streaming % "compile->compile;test->test")

  lazy val externalFlume = Project("external-flume", file("external/flume"), settings = flumeSettings)
    .dependsOn(streaming % "compile->compile;test->test")

  lazy val externalZeromq = Project("external-zeromq", file("external/zeromq"), settings = zeromqSettings)
    .dependsOn(streaming % "compile->compile;test->test")

  lazy val externalMqtt = Project("external-mqtt", file("external/mqtt"), settings = mqttSettings)
    .dependsOn(streaming % "compile->compile;test->test")

  lazy val allExternal = Seq[ClasspathDependency](externalTwitter, externalKafka, externalFlume, externalZeromq, externalMqtt)
  lazy val allExternalRefs = Seq[ProjectReference](externalTwitter, externalKafka, externalFlume, externalZeromq, externalMqtt)

  lazy val examples = Project("examples", file("examples"), settings = examplesSettings)
    .dependsOn(core, mllib, graphx, bagel, streaming, externalTwitter) dependsOn(allExternal: _*)

  // Everything except assembly, tools, java8Tests and examples belong to packageProjects
  lazy val packageProjects = Seq[ProjectReference](core, repl, bagel, streaming, mllib, graphx) ++ maybeYarnRef ++ maybeGangliaRef

  lazy val allProjects = packageProjects ++ allExternalRefs ++
    Seq[ProjectReference](examples, tools, assemblyProj) ++ maybeJava8Tests

  def sharedSettings = Defaults.defaultSettings ++ Seq(
    organization       := "org.apache.spark",
    version            := "1.0.0-SNAPSHOT",
    scalaVersion       := "2.10.3",
    scalacOptions := Seq("-Xmax-classfile-name", "120", "-unchecked", "-deprecation",
      "-target:" + SCALAC_JVM_VERSION),
    javacOptions := Seq("-target", JAVAC_JVM_VERSION, "-source", JAVAC_JVM_VERSION),
    unmanagedJars in Compile <<= baseDirectory map { base => (base / "lib" ** "*.jar").classpath },
    retrieveManaged := true,
    javaHome := Properties.envOrNone("JAVA_HOME").map(file),
    // This is to add convenience of enabling sbt -Dsbt.offline=true for making the build offline.
    offline := "true".equalsIgnoreCase(sys.props("sbt.offline")),
    retrievePattern := "[type]s/[artifact](-[revision])(-[classifier]).[ext]",
    transitiveClassifiers in Scope.GlobalScope := Seq("sources"),
    testListeners <<= target.map(t => Seq(new eu.henkelmann.sbt.JUnitXmlTestsListener(t.getAbsolutePath))),

    // Fork new JVMs for tests and set Java options for those
    fork := true,
    javaOptions in Test += "-Dspark.home=" + sparkHome,
    javaOptions in Test += "-Dspark.testing=1",
    javaOptions in Test ++= System.getProperties.filter(_._1 startsWith "spark").map { case (k,v) => s"-D$k=$v" }.toSeq,
    javaOptions += "-Xmx3g",
    // Show full stack trace and duration in test cases.
    testOptions in Test += Tests.Argument("-oDF"),
    // Remove certain packages from Scaladoc
    scalacOptions in (Compile,doc) := Seq("-skip-packages", Seq(
      "akka",
      "org.apache.spark.network",
      "org.apache.spark.deploy",
      "org.apache.spark.util.collection"
      ).mkString(":")),

    // Only allow one test at a time, even across projects, since they run in the same JVM
    concurrentRestrictions in Global += Tags.limit(Tags.Test, 1),

    resolvers ++= Seq(
      "Maven Repository"     at "https://repo.maven.apache.org/maven2",
      "Apache Repository"    at "https://repository.apache.org/content/repositories/releases",
      "JBoss Repository"     at "https://repository.jboss.org/nexus/content/repositories/releases/",
      "MQTT Repository"      at "https://repo.eclipse.org/content/repositories/paho-releases/",
      "Cloudera Repository"  at "https://repository.cloudera.com/artifactory/cloudera-repos/",
      // For Sonatype publishing
      //"sonatype-snapshots"   at "https://oss.sonatype.org/content/repositories/snapshots",
      //"sonatype-staging"     at "https://oss.sonatype.org/service/local/staging/deploy/maven2/",
      // also check the local Maven repository ~/.m2
      Resolver.mavenLocal
    ),

    publishMavenStyle := true,

    //useGpg in Global := true,

    pomExtra := (
      <parent>
        <groupId>org.apache</groupId>
        <artifactId>apache</artifactId>
        <version>13</version>
      </parent>
      <url>http://spark.apache.org/</url>
      <licenses>
        <license>
          <name>Apache 2.0 License</name>
          <url>http://www.apache.org/licenses/LICENSE-2.0.html</url>
          <distribution>repo</distribution>
        </license>
      </licenses>
      <scm>
        <connection>scm:git:git@github.com:apache/spark.git</connection>
        <url>scm:git:git@github.com:apache/spark.git</url>
      </scm>
      <developers>
        <developer>
          <id>matei</id>
          <name>Matei Zaharia</name>
          <email>matei.zaharia@gmail.com</email>
          <url>http://www.cs.berkeley.edu/~matei</url>
          <organization>Apache Software Foundation</organization>
          <organizationUrl>http://spark.apache.org</organizationUrl>
        </developer>
      </developers>
      <issueManagement>
        <system>JIRA</system>
        <url>https://spark-project.atlassian.net/browse/SPARK</url>
      </issueManagement>
    ),

    /*
    publishTo <<= version { (v: String) =>
      val nexus = "https://oss.sonatype.org/"
      if (v.trim.endsWith("SNAPSHOT"))
        Some("sonatype-snapshots" at nexus + "content/repositories/snapshots")
      else
        Some("sonatype-staging"  at nexus + "service/local/staging/deploy/maven2")
    },

    */

    libraryDependencies ++= Seq(
        "io.netty"          % "netty-all"       % "4.0.17.Final",
        "org.eclipse.jetty" % "jetty-server"    % "7.6.8.v20121106",
        "org.eclipse.jetty" % "jetty-util" % "7.6.8.v20121106",
        "org.eclipse.jetty" % "jetty-plus" % "7.6.8.v20121106",
        "org.eclipse.jetty" % "jetty-security" % "7.6.8.v20121106",
        /** Workaround for SPARK-959. Dependency used by org.eclipse.jetty. Fixed in ivy 2.3.0. */
        "org.eclipse.jetty.orbit" % "javax.servlet" % "2.5.0.v201103041518" artifacts Artifact("javax.servlet", "jar", "jar"),
        "org.scalatest"    %% "scalatest"       % "1.9.1"  % "test",
        "org.scalacheck"   %% "scalacheck"      % "1.10.0" % "test",
        "com.novocode"      % "junit-interface" % "0.10"   % "test",
        "org.easymock"      % "easymock"        % "3.1"    % "test",
        "org.mockito"       % "mockito-all"     % "1.8.5"  % "test",
        "commons-io"        % "commons-io"      % "2.4"    % "test"
    ),

    testOptions += Tests.Argument(TestFrameworks.JUnit, "-v", "-a"),
    parallelExecution := true,
    /* Workaround for issue #206 (fixed after SBT 0.11.0) */
    watchTransitiveSources <<= Defaults.inDependencies[Task[Seq[File]]](watchSources.task,
      const(std.TaskExtra.constant(Nil)), aggregate = true, includeRoot = true) apply { _.join.map(_.flatten) },

    otherResolvers := Seq(Resolver.file("dotM2", file(Path.userHome + "/.m2/repository"))),
    publishLocalConfiguration in MavenCompile <<= (packagedArtifacts, deliverLocal, ivyLoggingLevel) map {
      (arts, _, level) => new PublishConfiguration(None, "dotM2", arts, Seq(), level)
    },
    publishMavenStyle in MavenCompile := true,
    publishLocal in MavenCompile <<= publishTask(publishLocalConfiguration in MavenCompile, deliverLocal),
    publishLocalBoth <<= Seq(publishLocal in MavenCompile, publishLocal).dependOn
  ) ++ net.virtualvoid.sbt.graph.Plugin.graphSettings ++ ScalaStyleSettings

  val slf4jVersion = "1.7.5"

  val excludeNetty = ExclusionRule(organization = "org.jboss.netty")
  val excludeAsm = ExclusionRule(organization = "org.ow2.asm")
  val excludeOldAsm = ExclusionRule(organization = "asm")
  val excludeCommonsLogging = ExclusionRule(organization = "commons-logging")
  val excludeSLF4J = ExclusionRule(organization = "org.slf4j")
  val excludeScalap = ExclusionRule(organization = "org.scala-lang", artifact = "scalap")

  def coreSettings = sharedSettings ++ Seq(
    name := "spark-core",

    libraryDependencies ++= Seq(
        "com.google.guava"           % "guava"            % "14.0.1",
        "com.google.code.findbugs"   % "jsr305"           % "1.3.9",
        "log4j"                      % "log4j"            % "1.2.17",
        "org.slf4j"                  % "slf4j-api"        % slf4jVersion,
        "org.slf4j"                  % "slf4j-log4j12"    % slf4jVersion,
        "org.slf4j"                  % "jul-to-slf4j"     % slf4jVersion,
        "org.slf4j"                  % "jcl-over-slf4j"   % slf4jVersion,
        "commons-daemon"             % "commons-daemon"   % "1.0.10", // workaround for bug HADOOP-9407
        "com.ning"                   % "compress-lzf"     % "1.0.0",
        "org.xerial.snappy"          % "snappy-java"      % "1.0.5",
        "org.spark-project.akka"    %% "akka-remote"      % "2.2.3-shaded-protobuf"  excludeAll(excludeNetty),
        "org.spark-project.akka"    %% "akka-slf4j"       % "2.2.3-shaded-protobuf"  excludeAll(excludeNetty),
        "org.spark-project.akka"    %% "akka-testkit"     % "2.2.3-shaded-protobuf" % "test",
        "org.json4s"                %% "json4s-jackson"   % "3.2.6" excludeAll(excludeScalap),
        "it.unimi.dsi"               % "fastutil"         % "6.4.4",
        "colt"                       % "colt"             % "1.2.0",
        "org.apache.mesos"           % "mesos"            % "0.13.0",
        "commons-net"                % "commons-net"      % "2.2",
        "net.java.dev.jets3t"        % "jets3t"           % "0.7.1" excludeAll(excludeCommonsLogging),
        "org.apache.derby"           % "derby"            % "10.4.2.0"                     % "test",
        "org.apache.hadoop"          % hadoopClient       % hadoopVersion excludeAll(excludeNetty, excludeAsm, excludeCommonsLogging, excludeSLF4J, excludeOldAsm),
        "org.apache.curator"         % "curator-recipes"  % "2.4.0" excludeAll(excludeNetty),
        "com.codahale.metrics"       % "metrics-core"     % "3.0.0",
        "com.codahale.metrics"       % "metrics-jvm"      % "3.0.0",
        "com.codahale.metrics"       % "metrics-json"     % "3.0.0",
        "com.codahale.metrics"       % "metrics-graphite" % "3.0.0",
        "com.twitter"               %% "chill"            % "0.3.1" excludeAll(excludeAsm),
        "com.twitter"                % "chill-java"       % "0.3.1" excludeAll(excludeAsm),
        "com.clearspring.analytics"  % "stream"           % "2.5.1"
      ),
    libraryDependencies ++= maybeAvro
  )

  def rootSettings = sharedSettings ++ Seq(
    publish := {}
  )

 def replSettings = sharedSettings ++ Seq(
    name := "spark-repl",
   libraryDependencies <+= scalaVersion(v => "org.scala-lang"  % "scala-compiler" % v ),
   libraryDependencies <+= scalaVersion(v => "org.scala-lang"  % "jline"          % v ),
   libraryDependencies <+= scalaVersion(v => "org.scala-lang"  % "scala-reflect"  % v )
  )

  def examplesSettings = sharedSettings ++ Seq(
    name := "spark-examples",
    libraryDependencies ++= Seq(
      "com.twitter"          %% "algebird-core"   % "0.1.11",
      "org.apache.hbase" % "hbase" % HBASE_VERSION excludeAll(excludeNetty, excludeAsm, excludeOldAsm, excludeCommonsLogging),
      "org.apache.cassandra" % "cassandra-all" % "1.2.6"
        exclude("com.google.guava", "guava")
        exclude("com.googlecode.concurrentlinkedhashmap", "concurrentlinkedhashmap-lru")
        exclude("com.ning","compress-lzf")
        exclude("io.netty", "netty")
        exclude("jline","jline")
        exclude("org.apache.cassandra.deps", "avro")
        excludeAll(excludeSLF4J)
    )
  ) ++ assemblySettings ++ extraAssemblySettings

  def toolsSettings = sharedSettings ++ Seq(
    name := "spark-tools"
  ) ++ assemblySettings ++ extraAssemblySettings

  def graphxSettings = sharedSettings ++ Seq(
    name := "spark-graphx",
    libraryDependencies ++= Seq(
      "org.jblas" % "jblas" % "1.2.3"
    )
  )

  def bagelSettings = sharedSettings ++ Seq(
    name := "spark-bagel"
  )

  def mllibSettings = sharedSettings ++ Seq(
    name := "spark-mllib",
    libraryDependencies ++= Seq(
      "org.jblas" % "jblas" % "1.2.3"
    )
  )

  def streamingSettings = sharedSettings ++ Seq(
    name := "spark-streaming",
    libraryDependencies ++= Seq(
      "commons-io" % "commons-io" % "2.4"
    )
  )

  def yarnCommonSettings = sharedSettings ++ Seq(
    unmanagedSourceDirectories in Compile <++= baseDirectory { base =>
      Seq(
         base / "../common/src/main/scala"
      )
    },

    unmanagedSourceDirectories in Test <++= baseDirectory { base =>
      Seq(
         base / "../common/src/test/scala"
      )
    }

  ) ++ extraYarnSettings

  def yarnAlphaSettings = yarnCommonSettings ++ Seq(
    name := "spark-yarn-alpha"
  )

  def yarnSettings = yarnCommonSettings ++ Seq(
    name := "spark-yarn"
  )

  def gangliaSettings = sharedSettings ++ Seq(
    name := "spark-ganglia-lgpl",
    libraryDependencies += "com.codahale.metrics" % "metrics-ganglia" % "3.0.0"
  )

  def java8TestsSettings = sharedSettings ++ Seq(
    name := "java8-tests",
    javacOptions := Seq("-target", "1.8", "-source", "1.8"),
    testOptions += Tests.Argument(TestFrameworks.JUnit, "-v", "-a")
  )

  // Conditionally include the YARN dependencies because some tools look at all sub-projects and will complain
  // if we refer to nonexistent dependencies (e.g. hadoop-yarn-api from a Hadoop version without YARN).
  def extraYarnSettings = if(isYarnEnabled) yarnEnabledSettings else Seq()

  def yarnEnabledSettings = Seq(
    libraryDependencies ++= Seq(
      // Exclude rule required for all ?
      "org.apache.hadoop" % hadoopClient         % hadoopVersion excludeAll(excludeNetty, excludeAsm, excludeOldAsm),
      "org.apache.hadoop" % "hadoop-yarn-api"    % hadoopVersion excludeAll(excludeNetty, excludeAsm, excludeOldAsm),
      "org.apache.hadoop" % "hadoop-yarn-common" % hadoopVersion excludeAll(excludeNetty, excludeAsm, excludeOldAsm),
      "org.apache.hadoop" % "hadoop-yarn-client" % hadoopVersion excludeAll(excludeNetty, excludeAsm, excludeOldAsm)
    )
  )

  def assemblyProjSettings = sharedSettings ++ Seq(
    libraryDependencies += "net.sf.py4j" % "py4j" % "0.8.1",
    name := "spark-assembly",
    assembleDeps in Compile <<= (packageProjects.map(packageBin in Compile in _) ++ Seq(packageDependency in Compile)).dependOn,
    jarName in assembly <<= version map { v => "spark-assembly-" + v + "-hadoop" + hadoopVersion + ".jar" },
    jarName in packageDependency <<= version map { v => "spark-assembly-" + v + "-hadoop" + hadoopVersion + "-deps.jar" }
  ) ++ assemblySettings ++ extraAssemblySettings

  def extraAssemblySettings() = Seq(
    test in assembly := {},
    mergeStrategy in assembly := {
      case m if m.toLowerCase.endsWith("manifest.mf") => MergeStrategy.discard
      case m if m.toLowerCase.matches("meta-inf.*\\.sf$") => MergeStrategy.discard
      case "log4j.properties" => MergeStrategy.discard
      case m if m.toLowerCase.startsWith("meta-inf/services/") => MergeStrategy.filterDistinctLines
      case "reference.conf" => MergeStrategy.concat
      case _ => MergeStrategy.first
    }
  )

  def twitterSettings() = sharedSettings ++ Seq(
    name := "spark-streaming-twitter",
    libraryDependencies ++= Seq(
      "org.twitter4j" % "twitter4j-stream" % "3.0.3" excludeAll(excludeNetty)
    )
  )

  def kafkaSettings() = sharedSettings ++ Seq(
    name := "spark-streaming-kafka",
    libraryDependencies ++= Seq(
      "com.github.sgroschupf"    % "zkclient"   % "0.1"          excludeAll(excludeNetty),
      "org.apache.kafka"        %% "kafka"      % "0.8.0"
        exclude("com.sun.jdmk", "jmxtools")
        exclude("com.sun.jmx", "jmxri")
        exclude("net.sf.jopt-simple", "jopt-simple")
        excludeAll(excludeNetty, excludeSLF4J)
    )
  )

  def flumeSettings() = sharedSettings ++ Seq(
    name := "spark-streaming-flume",
    libraryDependencies ++= Seq(
      "org.apache.flume" % "flume-ng-sdk" % "1.2.0" % "compile" excludeAll(excludeNetty)
    )
  )

  def zeromqSettings() = sharedSettings ++ Seq(
    name := "spark-streaming-zeromq",
    libraryDependencies ++= Seq(
      "org.spark-project.akka" %% "akka-zeromq" % "2.2.3-shaded-protobuf" excludeAll(excludeNetty)
    )
  )

  def mqttSettings() = streamingSettings ++ Seq(
    name := "spark-streaming-mqtt",
    libraryDependencies ++= Seq("org.eclipse.paho" % "mqtt-client" % "0.4.0")
  )
}