I'm using the jar "http://www.scala-tools.org/repo-releases/org/scalatest/scalatest/1.0.1-for-sca la-2.8.0.Beta1-NQRFPT/scalatest-1.0.1-for-scala-2.8.0.Beta1-NQRFPT.jar", but attempting to run the "StackSpec" example on the ScalaTest home page produces the following error:
java.lang.NoSuchMethodError: scala.collection.immutable.MapLike.$plus$plus(Lscala/collection/Traversable;)Ls cala/collection/immutable/Map; at org.scalatest.tools.Runner$.parsePropertiesArgsIntoMap(Runner.scala:1176) at org.scalatest.tools.Runner$.runOptionallyWithPassFailReporter(Runner.scala:554) at org.scalatest.tools.Runner$.main(Runner.scala:498) at org.scalatest.tools.Runner.main(Runner.scala) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.ja va:25) at java.lang.reflect.Method.invoke(Method.java:597) at scala.tools.nsc.util.ScalaClassLoader$$anonfun$run$1.apply(ScalaClassLoader.sca la:81) at scala.tools.nsc.util.ScalaClassLoader$class.asContext(ScalaClassLoader.scala:24 ) at scala.tools.nsc.util.ScalaClassLoader$URLClassLoader.asContext(ScalaClassLoader .scala:86) at scala.tools.nsc.util.ScalaClassLoader$class.run(ScalaClassLoader.scala:81) at scala.tools.nsc.util.ScalaClassLoader$URLClassLoader.run(ScalaClassLoader.scala :86) at scala.tools.nsc.MainGenericRunner$.main(MainGenericRunner.scala:78) at scala.tools.nsc.MainGenericRunner.main(MainGenericRunner.scala)