使用 Leiningen 部署 Clojure 应用程序

发布于 2024-12-22 22:50:33 字数 895 浏览 3 评论 0原文

到目前为止,这是我的 project.clj 文件:

(defproject raj "0.0.1-SNAPSHOT"
  :description "FIXME: write description"
  :dependencies [[org.clojure/clojure "1.3.0"]]
  :keep-non-project-classes true
  :main raj.core)

我的 core.clj 文件:

(ns raj.core
  (:use raj.core))

(defn -main [& args]
  (println "Hello World!!!"))

lein run -m raj.core 很好地显示了 Hello World 消息。所以接下来我尝试 lein uberjar 并得到

Compiling raj.core
Compilation succeeded.
Created C:\Users\bobjones\IdeaProjects\raj/raj-0.0.1-SNAPSHOT.jar
Including raj-0.0.1-SNAPSHOT.jar
Including clojure-1.3.0.jar
Created C:\Users\bobjones\IdeaProjects\raj/raj-0.0.1-SNAPSHOT-standalone.jar

到目前为止一切似乎进展顺利,所以我尝试 java -jar raj-0.0.1-SNAPSHOT-standalone.jar ,并且我收到

Error: Could not find or load main class raj.core

我在这里做错了什么?

This is my project.clj file so far:

(defproject raj "0.0.1-SNAPSHOT"
  :description "FIXME: write description"
  :dependencies [[org.clojure/clojure "1.3.0"]]
  :keep-non-project-classes true
  :main raj.core)

And my core.clj file:

(ns raj.core
  (:use raj.core))

(defn -main [& args]
  (println "Hello World!!!"))

lein run -m raj.core displays the Hello World message just fine. So next I try lein uberjar and get

Compiling raj.core
Compilation succeeded.
Created C:\Users\bobjones\IdeaProjects\raj/raj-0.0.1-SNAPSHOT.jar
Including raj-0.0.1-SNAPSHOT.jar
Including clojure-1.3.0.jar
Created C:\Users\bobjones\IdeaProjects\raj/raj-0.0.1-SNAPSHOT-standalone.jar

Everything seems to be going well so far, so I try java -jar raj-0.0.1-SNAPSHOT-standalone.jar, and I receive

Error: Could not find or load main class raj.core

What would I be doing wrong here?

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栩栩如生 2024-12-29 22:50:33

您需要将 :gen-class 声明添加到 raj.core 命名空间:

(ns raj.core
  (:use raj.core)
  (:gen-class))

You need to add a :gen-class declaration to the raj.core namespace:

(ns raj.core
  (:use raj.core)
  (:gen-class))
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