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scala play unmanaged jar添加但导入无法正常工作

我正在尝试将Jep添加到我的Scala(2.11.8)Play Framework(2.5.8)项目中.据我所知,Sbt可以看到非托管jar:

[play-scala] $ show unmanagedClasspath
[info] List(Attributed(/home/stondo/dev/git/play-dashboard-mongo/lib/jep.cpython-35m-x86_64-linux-gnu.so), Attributed(/home/stondo/dev/git/play-dashboard-mongo/lib/libjep.so), Attributed(/home/stondo/dev/git/play-dashboard-mongo/lib/jep-3.6.0.jar))
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但是当我运行一个非常简单的测试时,它失败了:

[error] cannot create an instance for class IntegrationSpec                                                                                                                                                                      
...
[error]   CAUSED BY java.lang.UnsatisfiedLinkError: no jep in java.library.path
...
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让我提一下,运行scala -cp/path /到/ myjar然后导入Jep,工作:

scala -cp ./lib/jep-3.6.0.jar
scala> import jep.Jep
import jep.Jep
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关于发生了什么的任何想法?提前致谢

scala jar sbt playframework

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