当我尝试将新创建的游戏框架项目导入IntelliJ IDEA 15时，出现以下异常：
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=384M; support was removed in 8.0
[info] Loading settings from plugins.sbt,scaffold.sbt ...
[info] Loading project definition from /Users/lukasz/dev/repository/local-examples/scala-examples/scala-hands-on/scala-api-example/project
[info] Loading settings from build.sbt ...
[info] Set current project to scala-api-example (in build file:/Users/lukasz/dev/repository/local-examples/scala-examples/scala-hands-on/scala-api-example/)
[info] sbt server started at 127.0.0.1:5218
[scala-api-example] $ [info] Defining *:shellPrompt
[info] The new value will be used by no settings or tasks.
[info] Reapplying settings...
[info] Set current project to scala-api-example (in build file:/Users/lukasz/dev/repository/local-examples/scala-examples/scala-hands-on/scala-api-example/)
[info] …