为什么Cider找到了错误的Cider-nrepl版本，如何修复？

Question

为什么Cider找到了错误的Cider-nrepl版本，如何修复？

13

我今天通过el-get安装了cider。当我在emacs中启动cider时，会打印以下横幅:

; CIDER 0.8.0-snapshot (Java 1.7.0_65, Clojure 1.6.0, nREPL 0.2.6)
WARNING: The following required nREPL ops are not supported: 
eldoc ns-list ns-vars undef
Please, install (or update) cider-nrepl 0.8.0-snapshot and restart CIDER
WARNING: CIDER's version (0.8.0-snapshot) does not match cider-nrepl's version (0.7.0)
user>

我可以在cider中运行我的单元测试，但是许多其他东西不起作用，比如文档查找等。请注意提示符也位于用户命名空间而非项目命名空间。

我的~/.lein/profiles.clj文件

{:user 
 {:plugins 
  [[cider/cider-nrepl "0.7.0"]]}
}

我看到lein已经下载了所需的内容（甚至更多，有些奇怪）:

$ find ~/.m2 -name "*nrepl*"
~/.m2/repository/cider/cider-nrepl
~/.m2/repository/cider/cider-nrepl/0.8.0-SNAPSHOT/cider-nrepl-0.8.0-20140914.152356-14.jar.sha1
~/.m2/repository/cider/cider-nrepl/0.8.0-SNAPSHOT/cider-nrepl-0.8.0-20140914.152356-14.pom
~/.m2/repository/cider/cider-nrepl/0.8.0-SNAPSHOT/cider-nrepl-0.8.0-20140914.152356-14.jar
~/.m2/repository/cider/cider-nrepl/0.8.0-SNAPSHOT/cider-nrepl-0.8.0-20140914.152356-14.pom.sha1
~/.m2/repository/cider/cider-nrepl/0.8.0-SNAPSHOT/cider-nrepl-0.8.0-SNAPSHOT.pom
~/.m2/repository/cider/cider-nrepl/0.8.0-SNAPSHOT/cider-nrepl-0.8.0-SNAPSHOT.jar
~/.m2/repository/cider/cider-nrepl/0.7.0/cider-nrepl-0.7.0.jar.sha1
~/.m2/repository/cider/cider-nrepl/0.7.0/cider-nrepl-0.7.0.pom.sha1
~/.m2/repository/cider/cider-nrepl/0.7.0/cider-nrepl-0.7.0.jar
~/.m2/repository/cider/cider-nrepl/0.7.0/cider-nrepl-0.7.0.pom
~/.m2/repository/org/clojure/tools.nrepl
~/.m2/repository/org/clojure/tools.nrepl/0.2.6/tools.nrepl-0.2.6.pom.sha1
~/.m2/repository/org/clojure/tools.nrepl/0.2.6/tools.nrepl-0.2.6.pom
~/.m2/repository/org/clojure/tools.nrepl/0.2.6/tools.nrepl-0.2.6.jar.sha1
~/.m2/repository/org/clojure/tools.nrepl/0.2.6/tools.nrepl-0.2.6.jar

我也看到 Lein 想要同时引入 cider-nrepl 和 tools.nrepl，虽然我确实不明白为什么：

$ lein deps :tree
warn
 [cider/cider-nrepl "0.7.0"]
   [cljs-tooling "0.1.3" :exclusions [[org.clojure/clojure]]]
   [compliment "0.1.3" :exclusions [[org.clojure/clojure]]]
   [org.clojure/java.classpath "0.2.0" :exclusions [[org.clojure/clojure]]]
   [org.clojure/tools.namespace "0.2.5" :exclusions [[org.clojure/clojure]]]
   [org.clojure/tools.trace "0.7.8" :exclusions [[org.clojure/clojure]]]
   [org.tcrawley/dynapath "0.2.3" :exclusions [[org.clojure/clojure]]]
 [clojure-complete "0.2.3" :scope "test" :exclusions [[org.clojure/clojure]]]
 [org.clojure/clojure "1.6.0"]
 [org.clojure/tools.nrepl "0.2.6" :scope "test" :exclusions [[org.clojure/clojure]]]

最后，我的project.clj文件中出现了这个问题，但我在所有的Clojure项目中都看到了这个问题：

(defproject cider-demo "0.1.0-SNAPSHOT"
  :description "FIXME: write description"
  :url "http://example.com/FIXME"
  :license {:name "Eclipse Public License"
            :url "http://www.eclipse.org/legal/epl-v10.html"}
  :dependencies [[org.clojure/clojure "1.6.0"]])

我该如何让Cider选择正确的cider-nrepl？

- user268344

1个回答

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- noisesmith · Accepted Answer

错误信息非常清晰明了：

WARNING: CIDER's version (0.8.0-snapshot) does not match cider-nrepl's version (0.7.0)

你需要修改你的 profiles.clj 依赖项：

{:user 
 {:plugins 
  [[cider/cider-nrepl "0.8.0-SNAPSHOT"]]}
}

或者将您的emacs cider版本降级，以匹配您当前所要求的cider-nrepl版本。

tools.nrepl在这里并不是一个问题，而且cider实际上没有tools.nrepl就无法工作。