如何与XSBT-WEB-Plugin一起使用Payara Micro



我正在尝试使用Payara Micro(5.191)和XSBT-WEB-Plugin(4.0.2)设置服务。

build.sbt:

ThisBuild / organization := "local.test"
ThisBuild / version := "0.1.0-SNAPSHOT"
ThisBuild / scalaVersion := "2.12.8"
lazy val testService = project
  .enablePlugins(ContainerPlugin)
  .settings(
    javaOptions in Container ++= Seq("-Xdebug", "-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=5005"),
    libraryDependencies ++= Seq(
      microprofile,
      servlet
    ),
    containerLibs in Container := Seq(
      "fish.payara.extras" % "payara-micro" % "5.191"
    ),
    containerLaunchCmd in Container := { (port, path) =>
      Seq("fish.payara.micro.PayaraMicro")
    }
  )
lazy val microprofile = {
    sys.props += "packaging.type" -> "jar"
    "org.eclipse.microprofile" % "microprofile" % "2.2" % "provided" pomOnly()
  }
lazy val servlet = "javax.servlet" % "javax.servlet-api" % "4.0.1" % "provided"

main.scala:

package local.test
import java.util
import javax.ws.rs.ApplicationPath
import javax.ws.rs.core.Application
import local.test.endpoint.Hello
@ApplicationPath("/*")
class Main extends Application {
  override def getClasses: util.Set[Class[_]] = {
    val h = new util.HashSet[Class[_]]
    h.add(classOf[Hello])
    h
  }
}

hello.scala:

package local.test.endpoint
import javax.ws.rs.core.{MediaType,Response}
import javax.ws.rs.{GET, Path, Produces, QueryParam}
@Path("/hello")
class Hello {
  @GET
  @Produces(Array(MediaType.TEXT_PLAIN))
  def getMessage(@QueryParam("name") name: String): Response = {
    Response.ok("Hallo " + name).build
  }
  @GET
  @Produces(Array(MediaType.TEXT_PLAIN))
  def getMessage: Response = {
    Response.ok("Hallo Nobody").build
  }
}

服务器启动并没有显示错误,但我无法打开网站。

1)是http://localhost:8080/测试正确的URL?
2)如何检查此应用程序是否已部署?
3)我想念什么?

在earldouglas的帮助下(非常感谢),我让它运行:

项目文件:

/project-root
  + project/
  |   + build.properties (single line content: sbt.version=1.2.8)
  |   + plugins.sbt (single line content: addSbtPlugin("com.earldouglas" % "xsbt-web-plugin" % "4.0.2") )
  |
  + src/main/
  |   + scala/local/test/
  |   |   + endpoint/
  |   |   |   + Hello.scala
  |   |   + Main.scala
  |   + webapp/WEB-INF/
  |       + web.xml
  |
  + build.sbt

hello.scala:就像上面的问题中一样,但请删除第二个重新要求。同一端点上的两个平等请求不起作用。

main.scala:请参见上文

web.xml:

<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
     version="3.1">
</web-app>

build.sbt:如上所述,但替换行

containerLaunchCmd in Container := { (port, path) =>
  Seq("fish.payara.micro.PayaraMicro")
}

containerLaunchCmd in Container := { (port, path) =>
  Seq("fish.payara.micro.PayaraMicro", "--deploy", "target/webapp", "--contextroot", "/")
}

,也将项目val更改为

lazy val testService = (project in file("."))

也许您想根据您的需求更改contextroot。

在每个来源更改时,您都需要运行container:start

启动Payara Micro后,您可以检查:
curl localhost:8080/hello
curl localhost:8080/application.wadl

更新这些文件可作为示例项目

可用

https://github.com/earldouglas/xsbt-web-plugin/tree/master/master/docs/examples/payara-micro

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