【发布时间】:2014-11-30 13:34:06
【问题描述】:
我在学习 play-scala 模板教程时遇到了这个错误:
[error] play - Cannot invoke the action, eventually got an error: java.lang.RuntimeException: java.lang.NoSuchMethodError: scala.reflect.api.Types$TypeApi.members()Lscala/reflect/api/Scopes$ScopeApi;
[error] application -
! @6jmiof8bp - Internal server error, for (POST) [/provision] ->
play.api.Application$$anon$1: Execution exception[[RuntimeException: java.lang.NoSuchMethodError: scala.reflect.api.Types$TypeApi.members()Lscala/reflect/api/Scopes$ScopeApi;]]
at play.api.Application$class.handleError(Application.scala:296) ~[play_2.11-2.3.4.jar:2.3.4]
at play.api.DefaultApplication.handleError(Application.scala:402) [play_2.11-2.3.4.jar:2.3.4]
at play.core.server.netty.PlayDefaultUpstreamHandler$$anonfun$3$$anonfun$applyOrElse$4.apply(PlayDefaultUpstreamHandler.scala:320) [play_2.11-2.3.4.jar:2.3.4]
at play.core.server.netty.PlayDefaultUpstreamHandler$$anonfun$3$$anonfun$applyOrElse$4.apply(PlayDefaultUpstreamHandler.scala:320) [play_2.11-2.3.4.jar:2.3.4]
at scala.Option.map(Option.scala:145) [scala-library-2.11.1.jar:na]
Caused by: java.lang.RuntimeException: java.lang.NoSuchMethodError: scala.reflect.api.Types$TypeApi.members()Lscala/reflect/api/Scopes$ScopeApi;
at play.api.mvc.ActionBuilder$$anon$1.apply(Action.scala:523) ~[play_2.11-2.3.4.jar:2.3.4]
at play.api.mvc.Action$$anonfun$apply$1$$anonfun$apply$4$$anonfun$apply$5.apply(Action.scala:130) ~[play_2.11-2.3.4.jar:2.3.4]
at play.api.mvc.Action$$anonfun$apply$1$$anonfun$apply$4$$anonfun$apply$5.apply(Action.scala:130) ~[play_2.11-2.3.4.jar:2.3.4]
at play.utils.Threads$.withContextClassLoader(Threads.scala:21) ~[play_2.11-2.3.4.jar:2.3.4]
at play.api.mvc.Action$$anonfun$apply$1$$anonfun$apply$4.apply(Action.scala:129) ~[play_2.11-2.3.4.jar:2.3.4]
Caused by: java.lang.NoSuchMethodError: scala.reflect.api.Types$TypeApi.members()Lscala/reflect/api/Scopes$ScopeApi;
at sorm.reflection.ScalaApi$TypeApi.members(ScalaApi.scala:11) ~[sorm-0.3.13.jar:na]
at sorm.reflection.ScalaApi$TypeApi.properties(ScalaApi.scala:13) ~[sorm-0.3.13.jar:na]
at sorm.reflection.Reflection.properties(Reflection.scala:31) ~[sorm-0.3.13.jar:na]
at sorm.core.Initialization$.sorm$core$Initialization$$checkType$1(Initialization.scala:75) ~[sorm-0.3.13.jar:na]
at sorm.core.Initialization$.recursiveEntities$1(Initialization.scala:79) ~[sorm-0.3.13.jar:na]
当我在 provision 方法 Application.scala 中添加这一行 DB.save(person) 时遇到此错误
我的数据库对象如下所示:
object MemDB extends Instance(entities = Seq(Entity[Person]()), url ="jdbc:h2:mem:play") {}
我还删除了 application.conf 文件中的 cmets
db.default.driver=org.h2.Driver
db.default.url="jdbc:h2:mem:play"
我不知道如何解决这个错误。我只是按照 playframework websito 中的视频教程来学习 play framework 和 scala。我还尝试将 url 更改为 jdbc:h2:mem:test 就像教程建议的那样。我正在使用以下版本
addSbtPlugin("com.typesafe.play" % "sbt-plugin" % "2.3.4")
libraryDependencies += "org.sorm-framework" % "sorm" % "0.3.13"
libraryDependencies += "com.h2database" % "h2" % "1.4.181"
scalaVersion := "2.11.1"
【问题讨论】:
-
也许这是 Using SORM with Play Framework causes reflection exceptions to be thrown 的副本(不兼容的 Scala 依赖项)
标签: scala playframework h2 sorm