Zio-HTTP（Zio 2.x）应用程序不从Scala 3开始
我有一个简单的应用程序：
import zhttp.http.*
import zhttp.http.Method.GET
import zhttp.service.Server
import zio.*
object HexAppApplication extends ZIOAppDefault {
// Create HTTP route
val app: HttpApp[Any, Nothing] = Http.collect[Request] {
case GET -> !! / "text" => Response.text("Hello World!")
case GET -> !! / "json" => Response.json("""{"greetings": "Hello World!"}""")
}
val program: URIO[Any, ExitCode] = Server.start(8090, app).exitCode
override def run: URIO[Any, ExitCode] = program
}
服务器立即启动和停止。为什么不停下来？
build.sbt
val zioVersion = "2.0.0-RC5"
val zioHttpVersion = "2.0.0-RC6"
libraryDependencies += "dev.zio" %% "zio" % zioVersion
libraryDependencies ++= Seq(
"dev.zio" %% "zio-test" % zioVersion % "test",
"dev.zio" %% "zio-test-sbt" % zioVersion % "test",
"dev.zio" %% "zio-test-magnolia" % zioVersion % "test" // optional
)
testFrameworks += new TestFramework("zio.test.sbt.ZTestFramework")
libraryDependencies += "io.d11" %% "zhttp" % zioHttpVersion
libraryDependencies += "io.d11" %% "zhttp-test" % zioHttpVersion % Test
文档中的样本（对于Scala 2.x）看起来相似：
import zio._
import zhttp.http._
import zhttp.service.Server
object HelloWorld extends App {
val app = Http.collect[Request] {
case Method.GET -> !! / "text" => Response.text("Hello World!")
}
override def run(args: List[String]): URIO[zio.ZEnv, ExitCode] =
Server.start(8090, app).exitCode
}
I have this simple application:
import zhttp.http.*
import zhttp.http.Method.GET
import zhttp.service.Server
import zio.*
object HexAppApplication extends ZIOAppDefault {
// Create HTTP route
val app: HttpApp[Any, Nothing] = Http.collect[Request] {
case GET -> !! / "text" => Response.text("Hello World!")
case GET -> !! / "json" => Response.json("""{"greetings": "Hello World!"}""")
}
val program: URIO[Any, ExitCode] = Server.start(8090, app).exitCode
override def run: URIO[Any, ExitCode] = program
}
The server starts and stops right away. Why doesn't it stay started?
build.sbt
val zioVersion = "2.0.0-RC5"
val zioHttpVersion = "2.0.0-RC6"
libraryDependencies += "dev.zio" %% "zio" % zioVersion
libraryDependencies ++= Seq(
"dev.zio" %% "zio-test" % zioVersion % "test",
"dev.zio" %% "zio-test-sbt" % zioVersion % "test",
"dev.zio" %% "zio-test-magnolia" % zioVersion % "test" // optional
)
testFrameworks += new TestFramework("zio.test.sbt.ZTestFramework")
libraryDependencies += "io.d11" %% "zhttp" % zioHttpVersion
libraryDependencies += "io.d11" %% "zhttp-test" % zioHttpVersion % Test
The sample from the documentation (for Scala 2.x) looks similar:
import zio._
import zhttp.http._
import zhttp.service.Server
object HelloWorld extends App {
val app = Http.collect[Request] {
case Method.GET -> !! / "text" => Response.text("Hello World!")
}
override def run(args: List[String]): URIO[zio.ZEnv, ExitCode] =
Server.start(8090, app).exitCode
}
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尝试更新
Ziohttpversion为“ 2.0.0-rc7”。这为我修复了。Try updating
zioHttpVersionto "2.0.0-RC7". That fixed it for me.似乎问题是
Zio-Http是根据Zio在版本v2.0.0.0-rc6中构建的，因此最终尚不可用2.0.0也不是以下的任何内容v2.0.0-rc6[版本]（ https://discordapp.com/channels/6294915970827530/8197031292672113/999550919550195015209000 ）。对新最终Zio版本的支持仅合并了，因此没有人应该再次遇到此链接到GitHub prIt seems that the problem was that
zio-httpwas build againstzioin versionv2.0.0-RC6so it is not yet usable with final2.0.0nor anything belowv2.0.0-RC6[version] (https://discordapp.com/channels/629491597070827530/819703129267372113/995509195015209000). The support for new final zio release has been just merged so no one should run into this again link to github PR