scala – akka中未解决的依赖项错误

发布时间：2020-12-16 19:18:58 所属栏目：安全来源：网络整理

导读：嗨,我是akka的新手,我试图开发样品akka应用程序但是当我在 shell上执行run命令时,它会给我Unresolved Dependencies警告,然后显示错误这是我的Main.scala文件 import akka.actor.Actorimport akka.actor.ActorSystemimport akka.actor.Props?class HelloAct

嗨,我是akka的新手,我试图开发样品akka应用程序
但是当我在 shell上执行run命令时,它会给我Unresolved Dependencies警告,然后显示错误

这是我的Main.scala文件

import akka.actor.Actor
import akka.actor.ActorSystem
import akka.actor.Props
?
class HelloActor extends Actor {
??def receive = {
????case "hello" => println("hello back at you")
????case _?????? => println("huh?")
??}
}
?
object Main extends App {
??val system = ActorSystem("HelloSystem")
??// default Actor constructor
??val helloActor = system.actorOf(Props[HelloActor],name = "helloactor")
??helloActor ! "hello"
??helloActor ! "buenos dias"
}

build.sbt

name := "tryakka"

version := "1.0"

scalaVersion := "2.11.1"

resolvers += "Typesafe Repository" at "http://repo.typesafe.com/typesafe/releases/"

libraryDependencies += "com.typesafe.akka" %% "akka-actor" % "2.3.4"

以下是警告和错误

[warn]  module not found: com.typesafe.akka#akka-actor_2.11.1;2.3.4
[warn] ==== local: tried
[warn]   /home/ahsen/.ivy2/local/com.typesafe.akka/akka-actor_2.11.1/2.3.4/ivys/ivy.xml
[warn] ==== Typesafe Repository: tried
[warn]   http://repo.typesafe.com/typesafe/releases/com/typesafe/akka/akka-actor_2.11.1/2.3.4/akka-actor_2.11.1-2.3.4.pom
[warn] ==== public: tried
[warn]   http://repo1.maven.org/maven2/com/typesafe/akka/akka-actor_2.11.1/2.3.4/akka-actor_2.11.1-2.3.4.pom
[warn]  ::::::::::::::::::::::::::::::::::::::::::::::
[warn]  ::          UNRESOLVED DEPENDENCIES         ::
[warn]  ::::::::::::::::::::::::::::::::::::::::::::::
[warn]  :: com.typesafe.akka#akka-actor_2.11.1;2.3.4: not found
[warn]  ::::::::::::::::::::::::::::::::::::::::::::::
[error] {file:/home/ahsen/SbtPrctc/tryakka/}default-240ba8/*:update: sbt.ResolveException: unresolved dependency: com.typesafe.akka#akka-actor_2.11.1;2.3.4: not found

提前致谢

解决方法

目前您需要的依赖是：

libraryDependencies += "com.typesafe.akka" % "akka-actor_2.11" % "2.3.4"

它为Scala版本2.11而不是2.11.1构建的差异.您的依赖项使用%%替换构建中的Scala版本集,因此错误 – 您的URL包含次要版本,并且此类资源不存在.

更新：

我创建了一个小项目,其中包含编译和运行的代码.在这里查看：https://github.com/izmailoff/SmallAkkaProjectExample

（编辑：李大同）

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