我有一个使用SparkContext的简单单元测试。我能够在IntelliJ Idea中运行单元测试而没有任何问题。但是，当尝试从SBT shell运行相同的测试时，我收到以下错误：
java.lang.NoClassDefFoundError: org/eclipse/jetty/server/bio/SocketConnector
at org.apache.spark.HttpServer.org$apache$spark$HttpServer$$doStart(HttpServer.scala:74)
at org.apache.spark.HttpServer$$anonfun$1.apply(HttpServer.scala:60)
at org.apache.spark.HttpServer$$anonfun$1.apply(HttpServer.scala:60)
at org.apache.spark.util.Utils$$anonfun$startServiceOnPort$1.apply$mcVI$sp(Utils.scala:1446)
at scala.collection.immutable.Range.foreach$mVc$sp(Range.scala:141)
at org.apache.spark.util.Utils$.startServiceOnPort(Utils.scala:1442)
at org.apache.spark.HttpServer.start(HttpServer.scala:60)
at org.apache.spark.HttpFileServer.initialize(HttpFileServer.scala:45)
at org.apache.spark.SparkEnv$.create(SparkEnv.scala:243)
at org.apache.spark.SparkContext.<init>(SparkContext.scala:203)
at org.apache.spark.SparkContext.<init>(SparkContext.scala:118)
at com.company.myservice.merging.Merger.<init>(Merger.scala:16)
at com.company.myservice.merging.MergerTest.<init>(MergerTest.scala:16)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at java.lang.Class.newInstance(Class.java:374)
at org.scalatest.tools.Framework$ScalaTestTask.execute(Framework.scala:641)
at sbt.TestRunner.runTest$1(TestFramework.scala:84)
at sbt.TestRunner.run(TestFramework.scala:94)
at sbt.TestFramework$$anon$2$$anonfun$$init$$1$$anonfun$apply$8.apply(TestFramework.scala:224)
at sbt.TestFramework$$anon$2$$anonfun$$init$$1$$anonfun$apply$8.apply(TestFramework.scala:224)
at sbt.TestFramework$.sbt$TestFramework$$withContextLoader(TestFramework.scala:212)
at sbt.TestFramework$$anon$2$$anonfun$$init$$1.apply(TestFramework.scala:224)
at sbt.TestFramework$$anon$2$$anonfun$$init$$1.apply(TestFramework.scala:224)
at sbt.TestFunction.apply(TestFramework.scala:229)
at sbt.Tests$.sbt$Tests$$processRunnable$1(Tests.scala:211)
at sbt.Tests$$anonfun$makeSerial$1.apply(Tests.scala:217)
at sbt.Tests$$anonfun$makeSerial$1.apply(Tests.scala:217)
at sbt.std.Transform$$anon$3$$anonfun$apply$2.apply(System.scala:45)
at sbt.std.Transform$$anon$3$$anonfun$apply$2.apply(System.scala:45)
at sbt.std.Transform$$anon$4.work(System.scala:64)
at sbt.Execute$$anonfun$submit$1$$anonfun$apply$1.apply(Execute.scala:237)
at sbt.Execute$$anonfun$submit$1$$anonfun$apply$1.apply(Execute.scala:237)
at sbt.ErrorHandling$.wideConvert(ErrorHandling.scala:18)
at sbt.Execute.work(Execute.scala:244)
at sbt.Execute$$anonfun$submit$1.apply(Execute.scala:237)
at sbt.Execute$$anonfun$submit$1.apply(Execute.scala:237)
at sbt.ConcurrentRestrictions$$anon$4$$anonfun$1.apply(ConcurrentRestrictions.scala:160)
at sbt.CompletionService$$anon$2.call(CompletionService.scala:30)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
这就是我的build.scala的样子：
import sbt._
import Keys._
import org.scalatra.sbt._
import org.scalatra.sbt.PluginKeys._
import com.mojolly.scalate.ScalatePlugin._
import ScalateKeys._
import com.github.retronym.SbtOneJar
import com.earldouglas.xsbtwebplugin.PluginKeys._
import com.earldouglas.xsbtwebplugin.WebPlugin._
import sbtassembly.Plugin._
import AssemblyKeys._
import sbtassembly.Plugin.AssemblyKeys._
object myservice extends Build {
val Organization = "com.company"
val Name = "myservice"
val Version = "0.1.0-SNAPSHOT"
val ScalaVersion = "2.10.4"
val ScalatraVersion = "2.3.0"
// settings for sbt-assembly plugin
val myAssemblySettings = assemblySettings ++ Seq(
// handle conflicts during assembly task
mergeStrategy in assembly <<= (mergeStrategy in assembly) {
(old) => {
case PathList("javax", "servlet", xs @ _*) => MergeStrategy.first
case PathList(ps @ _*) if ps.last endsWith ".html" => MergeStrategy.first
case "application.conf" => MergeStrategy.concat
case "unwanted.txt" => MergeStrategy.discard
case x => old(x)
}
},
// copy web resources to /webapp folder
resourceGenerators in Compile <+= (resourceManaged, baseDirectory) map {
(managedBase, base) =>
val webappBase = base / "src" / "main" / "webapp"
for {
(from, to) <- webappBase ** "*" x rebase(webappBase, managedBase / "main" / "webapp")
} yield {
Sync.copy(from, to)
to
}
}
)
lazy val project = Project (
"myapplication",
file("."),
settings = Defaults.defaultSettings ++ ScalatraPlugin.scalatraWithJRebel ++
SbtOneJar.oneJarSettings ++
scalateSettings ++ Seq(
organization := Organization,
name := Name,
version := Version,
scalaVersion := ScalaVersion,
port in container.Configuration := 8000,
resolvers ++= Seq (Classpaths.typesafeReleases,
"Typesafe Releases" at "http://repo.typesafe.com/typesafe/releases/",
"Sonatype OSS Snapshots" at "https://oss.sonatype.org/content/repositories/snapshots"),
libraryDependencies ++= Seq(
"org.scala-lang" % "scala-reflect" % ScalaVersion,
"org.scala-lang" % "scala-compiler" % ScalaVersion,
"org.scalatest" %% "scalatest" % "2.2.1" % "test",
"org.scalaz" %% "scalaz-core" % "7.0.6",
"org.scalatra" %% "scalatra" % ScalatraVersion,
"org.scalatra" %% "scalatra-scalate" % ScalatraVersion,
"org.scalatra" %% "scalatra-specs2" % ScalatraVersion % "test",
"ch.qos.logback" % "logback-classic" % "1.0.6" % "runtime",
"commons-codec" % "commons-codec" % "1.8",
"org.apache.commons" % "commons-lang3" % "3.3.1",
"org.scalaj" %% "scalaj-http" % "0.3.16",
"net.liftweb" %% "lift-json" % "2.6-M4",
"org.eclipse.jetty" % "jetty-webapp" % "8.1.8.v20121106" % "container;compile",
"org.eclipse.jetty.orbit" % "javax.servlet" % "3.0.0.v201112011016" % "container;provided;test" artifacts (Artifact("javax.servlet", "jar", "jar")),
"com.amazonaws" % "aws-java-sdk" % "1.8.5",
"org.scala-lang.modules" %% "scala-async" % "0.9.1",
"com.typesafe" % "config" % "1.2.1",
"org.scalatra" %% "scalatra-auth" % "2.3.0",
// RDBMS-Mysql
"com.typesafe.slick" %% "slick" % "2.1.0",
"mysql" % "mysql-connector-java" % "latest.release",
"com.h2database" % "h2" % "1.3.175",
// Geolocation
"com.javadocmd" % "simplelatlng" % "1.3.0",
// Spark and Mllib
"org.apache.spark" %% "spark-core" % "1.1.0",
"org.apache.spark" %% "spark-mllib" % "1.1.0",
// Lucene
"org.apache.lucene" % "lucene-core" % "4.8.1",
// for Porter Stemmer
"org.apache.lucene" % "lucene-analyzers-common" % "4.8.1",
// Guava for the dictionary
"com.google.guava" % "guava" % "17.0",
// CSV lib
"com.github.tototoshi" %% "scala-csv" % "1.1.0-SNAPSHOT"
),
scalateTemplateConfig in Compile <<= (sourceDirectory in Compile){ base =>
Seq(
TemplateConfig(
base / "webapp" / "WEB-INF" / "templates",
Seq.empty, /* default imports should be added here */
Seq(
Binding("context", "_root_.org.scalatra.scalate.ScalatraRenderContext", importMembers = true, isImplicit = true)
), /* add extra bindings here */
Some("templates")
)
)
}
)
).settings(myAssemblySettings:_*)
.settings( parallelExecution in ThisBuild := false : _*)
}
我尝试将以下所有依赖项添加到build.scala中但没有成功：
"org.eclipse.jetty" % "jetty-http" % "9.2.1.v20140609" % "container;test",
"org.eclipse.jetty" % "jetty-plus" % "9.2.1.v20140609" % "container;test",
"org.eclipse.jetty" % "jetty-io" % "9.2.1.v20140609" % "container;test",
"org.eclipse.jetty" % "jetty-security" % "9.2.1.v20140609" % "container;test",
"org.eclipse.jetty" % "jetty-server" % "9.2.1.v20140609" % "container;test",
"org.eclipse.jetty" % "jetty-servlet" % "9.2.1.v20140609" % "container;test",
"org.eclipse.jetty" % "jetty-webapp" % "9.2.1.v20140609" % "container;test",
"org.eclipse.jetty" % "jetty-util" % "9.2.1.v20140609" % "container;test",
答案 0 :(得分：2)
Jetty 9.2.1不包含org/eclipse/jetty/server/bio/SocketConnector
它完全从Jetty 9中删除了。
你也有混合的Jetty版本。
"org.eclipse.jetty" % "jetty-webapp" % "8.1.8.v20121106" % "container;compile",
"org.eclipse.jetty" % "jetty-webapp" % "9.2.1.v20140609" % "container;test",
升级你的测试库（spark？）以支持Jetty 9，或者将你的Jetty版本降级到8.1.8。
历史： Jetty 9中支持SPDY / NPN / ALPN / HTTP2的工作意味着整个连接器架构都经过了大修。首先去的是所有阻塞连接器，只留下nio连接器。然后，为了支持所有新的协议协商步骤，所有连接器都合并为一个新的org.eclipse.jetty.server.ServerConnector。 ServerConnector具有用于指定加密，协议，所需协商顺序和回退的配置。
注意：Jetty 7和Jetty 8在EOL附近（将于2014年底正式开放）。
请参阅http://dev.eclipse.org/mhonarc/lists/jetty-announce/msg00069.html