stacktrace

gistfile1.txt

Warning: JAVA_HOME environment variable is not set.
Fetching / updating 3 artifacts and their dependencies
Exception in thread "main" java.lang.UnsupportedClassVersionError: jove/xsbti/ArtifactInfo : Unsupported major.minor version 52.0
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
        at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
        at jove.sbt.ScalaArtifacts$.<init>(IvyScala.scala:19)
        at jove.sbt.ScalaArtifacts$.<clinit>(IvyScala.scala)
        at jove.sbt.IvyScala$.$lessinit$greater$default$7(IvyScala.scala:39)
        at jove.scala.IvyUtil$$anonfun$1.apply(ArtifactInterpreter.scala:31)
        at jove.scala.IvyUtil$$anonfun$1.apply(ArtifactInterpreter.scala:30)
        at scala.Option.map(Option.scala:145)
        at jove.scala.IvyUtil$.fakeModule(ArtifactInterpreter.scala:30)
        at jove.scala.IvyUtil$.jove$scala$IvyUtil$$update(ArtifactInterpreter.scala:70)
        at jove.scala.IvyUtil$$anonfun$classPath$1.apply(ArtifactInterpreter.scala:78)
        at jove.scala.IvyUtil$$anonfun$classPath$1.apply(ArtifactInterpreter.scala:78)
        at scalaz.DisjunctionFunctions$class.fromTryCatchThrowable(Either.scala:471)
        at scalaz.$bslash$div$.fromTryCatchThrowable(Either.scala:332)
        at jove.scala.IvyUtil$.classPath(ArtifactInterpreter.scala:77)
        at jove.scala.ArtifactInterpreter$$anon$1.jove$scala$ArtifactInterpreter$$anon$$refreshSubInterpreter(ArtifactInterpreter.scala:195)
        at jove.scala.ArtifactInterpreter$$anon$1.<init>(ArtifactInterpreter.scala:231)
        at jove.scala.ArtifactInterpreter$.apply(ArtifactInterpreter.scala:164)
        at jove.scala.imainlike.IMainKernel$$anonfun$interpreter$1.apply(IMainKernel.scala:28)
        at jove.scala.imainlike.IMainKernel$$anonfun$interpreter$1.apply(IMainKernel.scala:21)
        at scalaz.DisjunctionFunctions$class.fromTryCatchNonFatal(Either.scala:477)
        at scalaz.$bslash$div$.fromTryCatchNonFatal(Either.scala:332)
        at jove.scala.imainlike.IMainKernel.interpreter(IMainKernel.scala:21)
        at jove.kernel.server.Server$.launch(Server.scala:71)
        at jove.kernel.server.Server$$anonfun$apply$11$$anonfun$apply$12$$anonfun$apply$15$$anonfun$apply$17$$anonfun$apply$18.apply(Server.scala:162)
        at jove.kernel.server.Server$$anonfun$apply$11$$anonfun$apply$12$$anonfun$apply$15$$anonfun$apply$17$$anonfun$apply$18.apply(Server.scala:156)
        at scalaz.$bslash$div.flatMap(Either.scala:134)
        at jove.kernel.server.Server$$anonfun$apply$11$$anonfun$apply$12$$anonfun$apply$15$$anonfun$apply$17.apply(Server.scala:156)
        at jove.kernel.server.Server$$anonfun$apply$11$$anonfun$apply$12$$anonfun$apply$15$$anonfun$apply$17.apply(Server.scala:153)
        at scalaz.$bslash$div.flatMap(Either.scala:134)
        at jove.kernel.server.Server$$anonfun$apply$11$$anonfun$apply$12$$anonfun$apply$15.apply(Server.scala:153)
        at jove.kernel.server.Server$$anonfun$apply$11$$anonfun$apply$12$$anonfun$apply$15.apply(Server.scala:142)
        at scalaz.$bslash$div.flatMap(Either.scala:134)
        at jove.kernel.server.Server$$anonfun$apply$11$$anonfun$apply$12.apply(Server.scala:142)
        at jove.kernel.server.Server$$anonfun$apply$11$$anonfun$apply$12.apply(Server.scala:138)
        at scalaz.$bslash$div.flatMap(Either.scala:134)
        at jove.kernel.server.Server$$anonfun$apply$11.apply(Server.scala:138)
        at jove.kernel.server.Server$$anonfun$apply$11.apply(Server.scala:125)
        at scalaz.$bslash$div.flatMap(Either.scala:134)
        at jove.kernel.server.Server$.apply(Server.scala:125)
        at jove.kernel.server.ServerApp$.apply(ServerApp.scala:67)
        at jove.scala.JoveScala.delayedEndpoint$jove$scala$JoveScala$1(JoveScala.scala:14)
        at jove.scala.JoveScala$delayedInit$body.apply(JoveScala.scala:7)
        at scala.Function0$class.apply$mcV$sp(Function0.scala:40)
        at scala.runtime.AbstractFunction0.apply$mcV$sp(AbstractFunction0.scala:12)
        at caseapp.App$$anonfun$apply$1.apply(App.scala:25)
        at caseapp.App$$anonfun$apply$1.apply(App.scala:24)
        at scala.collection.immutable.List.foreach(List.scala:381)
        at scala.collection.generic.TraversableForwarder$class.foreach(TraversableForwarder.scala:35)
        at scala.collection.mutable.ListBuffer.foreach(ListBuffer.scala:45)
        at caseapp.App$class.apply(App.scala:24)
        at jove.scala.JoveScala.apply(JoveScala.scala:7)
        at caseapp.AppOf.main(App.scala:62)
        at jove.scala.JoveScala.main(JoveScala.scala)
[W 11:11:35.132 NotebookApp] Timeout waiting for kernel_info reply from 7bebe6b9-d1c2-40c7-9583-cb31a376dcea