1
定義在我們的Clojure代碼庫的實現,我們有一個協議:雷音uberjar找不到DEFTYPE
(ns project.repository)
(defprotocol Repository
(index [this fields unique]))
A型
(ns project.mongo (:require
[monger.collection :as mc]
[monger.core :as mg]
[project.repository :refer :all]))
(deftype MongoRepository [db collection-name]
Repository
(index [this fields unique]
(mc/ensure-index db collection-name fields {:unique unique})))
(defn mongo-repository [db coll] (MongoRepository. db coll))
(def mongo-db ((mg/connect-via-uri "mongodb://127.0.0.1/bots") :db))
而一個實例
(ns project.users (:require
[lp-bots.storages.repository :refer :all]
[lp-bots.storages.mongo :refer [mongo-repository mongo-db]]))
(def users-storage (mongo-repository mongo-db "users"))
(index users-storage [:key1 :key2] true)
這工作正常當從REPL交互使用或與lein run
一起發射時,但lein uberjar
總是thro WS異常:
Exception in thread "main" java.lang.ExceptionInInitializerError, compiling:(/tmp/form-init118199196859405970.clj:1:72)
...
Caused by: java.lang.ExceptionInInitializerError
...
Caused by: java.lang.IllegalArgumentException: No implementation of method: :index of protocol: #'project.repository/Repository found for class: project.mongo.MongoRepository
at clojure.core$_cache_protocol_fn.invokeStatic(core_deftype.clj:568)
at clojure.core$_cache_protocol_fn.invoke(core_deftype.clj:560)
at project.repository$fn__557$G__514__566.invoke(repository.clj)
at project.users__init.load(Unknown Source)
at project.users__init.<clinit>(Unknown Source)
最奇怪的是,問題消失時(index)
被稱爲在(let)
:
(def users-storage
(let [u (mongo-repository mongo-db "leads")]
(index u [:key1 :key2] true)
u))
上什麼可能導致的差異有什麼想法?
你嘗試做AOT編譯與雷音uberjar? –
@akond是的!當將代碼複製並粘貼到問題中時,這需要丟失。修復了這個問題。 – 0x60
@minhtuannguyen這就是我們正在做的。我們有:aot:all在project.clj中,異常在aot編譯期間被拋出。 – 0x60