加入收藏 | 设为首页 | 会员中心 | 我要投稿 李大同 (https://www.lidatong.com.cn/)- 科技、建站、经验、云计算、5G、大数据,站长网!
当前位置: 首页 > 综合聚焦 > 服务器 > 安全 > 正文

scala – 与play.api.db.DBApi的绑定已经配置,演化和注射器错误

发布时间:2020-12-16 09:13:43 所属栏目:安全 来源:网络整理
导读:我想介绍光滑到我的播放项目,所以我添加以下依赖关系到build.sbt: "com.typesafe.play" %% "play-slick" % "1.0.1" withSources(),"com.typesafe.play" %% "play-slick-evolutions" % "1.0.1" withSources(), 然后,当我运行控制器的集成规范时,我在Intellij
我想介绍光滑到我的播放项目,所以我添加以下依赖关系到build.sbt:

"com.typesafe.play"          %% "play-slick"               % "1.0.1"     withSources(),"com.typesafe.play"          %% "play-slick-evolutions"    % "1.0.1"     withSources(),

然后,当我运行控制器的集成规范时,我在Intellij IDE和命令行激活器测试中得到以下异常. Google找到解决方案之后:https://www.playframework.com/documentation/2.4.x/PlaySlickFAQ#A-binding-to-play.api.db.DBApi-was-already-configured

在我删除了jdbc依赖关系后,当我使用命令行时,集成规范已经通过,但是当我在Intellij IDE上运行测试时,我仍然遇到相同的错误:
在嵌套套件上调用运行时遇到异常 – 无法创建注入器,请参阅以下错误:

1) A binding to play.api.db.DBApi was already configured at play.api.db.DBModule.bindings(DBModule.scala:25):
Binding(interface play.api.db.DBApi to ProviderConstructionTarget(class play.api.db.DBApiProvider)) (via modules: com.google.inject.util.Modules$OverrideModule -> play.api.inject.guice.GuiceableModuleConversions$$anon$1).
  at play.api.db.slick.evolutions.EvolutionsModule.bindings(EvolutionsModule.scala:15):
Binding(interface play.api.db.DBApi to ConstructionTarget(class play.api.db.slick.evolutions.internal.DBApiAdapter) in interface javax.inject.Singleton) (via modules: com.google.inject.util.Modules$OverrideModule -> play.api.inject.guice.GuiceableModuleConversions$$anon$1)

1 error
com.google.inject.CreationException: Unable to create injector,see the following errors:

1) A binding to play.api.db.DBApi was already configured at play.api.db.DBModule.bindings(DBModule.scala:25):
Binding(interface play.api.db.DBApi to ProviderConstructionTarget(class play.api.db.DBApiProvider)) (via modules: com.google.inject.util.Modules$OverrideModule -> play.api.inject.guice.GuiceableModuleConversions$$anon$1).
  at play.api.db.slick.evolutions.EvolutionsModule.bindings(EvolutionsModule.scala:15):
Binding(interface play.api.db.DBApi to ConstructionTarget(class play.api.db.slick.evolutions.internal.DBApiAdapter) in interface javax.inject.Singleton) (via modules: com.google.inject.util.Modules$OverrideModule -> play.api.inject.guice.GuiceableModuleConversions$$anon$1)

1 error
    at com.google.inject.internal.Errors.throwCreationExceptionIfErrorsExist(Errors.java:466)
    at com.google.inject.internal.InternalInjectorCreator.initializeStatically(InternalInjectorCreator.java:155)
    at com.google.inject.internal.InternalInjectorCreator.build(InternalInjectorCreator.java:107)
    at com.google.inject.Guice.createInjector(Guice.java:96)
    at com.google.inject.Guice.createInjector(Guice.java:73)
    at com.google.inject.Guice.createInjector(Guice.java:62)
    at play.api.inject.guice.GuiceBuilder.injector(GuiceInjectorBuilder.scala:126)
    at play.api.inject.guice.GuiceApplicationBuilder.build(GuiceApplicationBuilder.scala:93)
    at play.api.test.FakeApplication.<init>(Fakes.scala:216)
    at org.scalatestplus.play.OneServerPerSuite$class.app(OneServerPerSuite.scala:152)

解决方法

如果你像我一样,你的build.sbt中有这样的东西

libraryDependencies ++= Seq(
  jdbc,cache,ws,specs2 % Test,"mysql" % "mysql-connector-java" % "5.1.37","com.typesafe.play" %% "play-slick" % "1.1.1","com.typesafe.play" %% "play-slick-evolutions" % "1.1.1"
)

删除jdbc

libraryDependencies ++= Seq(
  //jdbc,//<<---- this one here
  cache,

(编辑:李大同)

【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容!

    推荐文章
      热点阅读