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我有 scala 应用程序,并且有使用 maven scala 插件的 pom.xml,我的应用程序使用 scalareadInt从命令行读取整数

该项目建立在eclipse上,当我使用eclipse运行scala应用程序时,它可以工作

当我尝试使用 scala 插件运行相同的应用程序时,它会卡住 readInt

mvn scala:run  -DmainClass=run.readFromConsole

我错过了什么吗?

这是异常跟踪

[INFO] Checking for multiple versions of scala
Exception in thread "main" java.io.EOFException: Console has reached end of input
    at scala.Console$.readInt(Console.scala:349)
    at scala.Predef$.readInt(Predef.scala:296)
    at run.readFromConsole$$anonfun$1.apply$mcVI$sp(readFromConsole.scala:6)
    at scala.collection.immutable.Range.foreach$mVc$sp(Range.scala:141)
    at run.readFromConsole$delayedInit$body.apply(readFromConsole.scala:5)
    at scala.Function0$class.apply$mcV$sp(Function0.scala:40)
    at scala.runtime.AbstractFunction0.apply$mcV$sp(AbstractFunction0.scala:12)
    at scala.App$$anonfun$main$1.apply(App.scala:71)
    at scala.App$$anonfun$main$1.apply(App.scala:71)
    at scala.collection.immutable.List.foreach(List.scala:318)
    at scala.collection.generic.TraversableForwarder$class.foreach(TraversableForwarder.scala:32)
    at scala.App$class.main(App.scala:71)
    at run.readFromConsole$.main(readFromConsole.scala:3)
    at run.readFromConsole.main(readFromConsole.scala)
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 15.929s
[INFO] Finished at: Thu Apr 03 16:42:20 IST 2014
[INFO] Final Memory: 14M/299M

编码

object readFromConsole extends App {

  for (i <- 0 to 4) {
      println("Console Input " +i+ " "  + readInt )
  }

}

当我尝试从 mvn scala 应用程序运行时,代码独立运行,使用 scalac、scala 甚至从 eclipse scala 应用程序运行良好,它会引发错误。

mvn clean compile scala:run  -DmainClass=run.readFromConsole
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