packages cannot be represented as URI

[izhangzhihao]

minimized code

"a"

expectation

Welcome to Scala 2.13.1 (OpenJDK 64-Bit Server VM, Java 13).
Type in expressions for evaluation. Or try :help.

scala> "a"
res0: String = a

actually

Starting dotty REPL...
scala> "a"
failure to convert Constant(true) to TypeRef(ThisType(TypeRef(NoPrefix,module class scala)),class Byte)
Exception in thread "main" java.io.IOError: java.lang.RuntimeException: /packages cannot be represented as URI
	at java.base/jdk.internal.jrtfs.JrtPath.toUri(JrtPath.java:176)
	at dotty.tools.dotc.classpath.JrtClassPath.asURLs(DirectoryClassPath.scala:182)
	at dotty.tools.dotc.classpath.AggregateClassPath.asURLs$$anonfun$1(AggregateClassPath.scala:50)
	at scala.collection.StrictOptimizedIterableOps.flatMap(StrictOptimizedIterableOps.scala:118)
	at scala.collection.StrictOptimizedIterableOps.flatMap$(StrictOptimizedIterableOps.scala:105)
	at scala.collection.immutable.Vector.flatMap(Vector.scala:119)
	at dotty.tools.dotc.classpath.AggregateClassPath.asURLs(AggregateClassPath.scala:50)
	at dotty.tools.repl.Rendering.$anonfun$1(Rendering.scala:36)
	at scala.Option.getOrElse(Option.scala:201)
	at dotty.tools.repl.Rendering.classLoader(Rendering.scala:38)
	at dotty.tools.repl.Rendering.valueOf(Rendering.scala:68)
	at dotty.tools.repl.Rendering.renderVal(Rendering.scala:95)
	at dotty.tools.repl.ReplDriver.displayMembers$3$$anonfun$3(ReplDriver.scala:285)
	at scala.collection.immutable.List.map(List.scala:219)
	at scala.collection.immutable.List.map(List.scala:79)
	at dotty.tools.repl.ReplDriver.displayMembers$6(ReplDriver.scala:285)
	at dotty.tools.repl.ReplDriver.displayDefinitions$$anonfun$3$$anonfun$2(ReplDriver.scala:311)
	at scala.Option.map(Option.scala:242)
	at dotty.tools.repl.ReplDriver.displayDefinitions$$anonfun$1(ReplDriver.scala:311)
	at dotty.tools.dotc.core.Phases.atPhase$$anonfun$1(Phases.scala:35)
	at dotty.tools.dotc.core.Periods.atPhase(Periods.scala:25)
	at dotty.tools.dotc.core.Phases.atPhase(Phases.scala:35)
	at dotty.tools.dotc.core.Contexts$Context.atPhase(Contexts.scala:71)
	at dotty.tools.repl.ReplDriver.displayDefinitions(ReplDriver.scala:317)
	at dotty.tools.repl.ReplDriver.compile$$anonfun$2(ReplDriver.scala:241)
	at scala.util.Either.fold(Either.scala:189)
	at dotty.tools.repl.ReplDriver.compile(ReplDriver.scala:241)
	at dotty.tools.repl.ReplDriver.interpret(ReplDriver.scala:193)
	at dotty.tools.repl.ReplDriver.loop$1(ReplDriver.scala:127)
	at dotty.tools.repl.ReplDriver.runUntilQuit$$anonfun$1(ReplDriver.scala:130)
	at dotty.tools.repl.ReplDriver.withRedirectedOutput(ReplDriver.scala:148)
	at dotty.tools.repl.ReplDriver.runUntilQuit(ReplDriver.scala:130)
	at dotty.tools.repl.Main$.main(Main.scala:6)
	at dotty.tools.repl.Main.main(Main.scala)
Caused by: java.lang.RuntimeException: /packages cannot be represented as URI
	... 34 more

[nicolasstucki]

Great minimization.