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Compiler crash: NoSuchElementException: key not found - Scala 3 #19575

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Compiler crash: NoSuchElementException: key not found - Scala 3#19575
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area:transformitype:bugitype:crashstat:needs minimizationNeeds a self contained minimization
@OndrejSpanel

Description

@OndrejSpanel
OndrejSpanel
opened on Jan 31, 2024

Compiler version

3.4.1-RC1-bin-20240130-7a5cb6e-NIGHTLY

Minimized code

This came up when verifying fix for #19560 (#19567).

The code compiles and works with Scala 2.13.

I am unable to provide a minimized repro at least until Feb 5, having limited computer access until then.

This time there is a least some symbol listed, therefore I might be able to create a proper repro later. There are macros (airframe-surface) involved in the class code, but the error message is a crash, does not provide any pointers to any macros or source locations.

The code contains something like:

import wvlet.airframe.surface._

object X {
  class Cutscene extends JsonValueProvider {
    def getValue= jsonFrom(Surface.of[SomeOtherClass])
  }
}

  case class Template(
    @JsonSchemaProperty(classOf[X.Cutscene]) exec: String
  )

and

import io.circe.Json;

public interface JsonValueProvider {
    String getName();
    Json getValue();
}


public @interface JsonSchemaProperty {
    Class<? extends JsonValueProvider> value();
}

Output (click arrow to expand)

[error] ## Exception when compiling 471 sources to C:\Users\Ondra\IdeaProjects\tempi\target\scala-3.4.1-RC1-bin-20240130-7a5cb6e-NIGHTLY\classes
[error] java.util.NoSuchElementException: key not found: class Cutscene
[error] scala.collection.MapOps.default(Map.scala:274)
[error] scala.collection.MapOps.default$(Map.scala:273)
[error] scala.collection.AbstractMap.default(Map.scala:405)
[error] scala.collection.mutable.HashMap.apply(HashMap.scala:440)
[error] dotty.tools.dotc.transform.LambdaLift$Lifter.liftDef(LambdaLift.scala:207)
[error] dotty.tools.dotc.transform.LambdaLift.transformDefDef(LambdaLift.scala:323)
[error] dotty.tools.dotc.transform.MegaPhase.goDefDef(MegaPhase.scala:1037)
[error] dotty.tools.dotc.transform.MegaPhase.transformNamed$1(MegaPhase.scala:264)
[error] dotty.tools.dotc.transform.MegaPhase.transformTree(MegaPhase.scala:448)
[error] dotty.tools.dotc.transform.MegaPhase.loop$2(MegaPhase.scala:467)
[error] dotty.tools.dotc.transform.MegaPhase.transformBlock(MegaPhase.scala:472)
[error] dotty.tools.dotc.transform.MegaPhase.transformUnnamed$1(MegaPhase.scala:311)
[error] dotty.tools.dotc.transform.MegaPhase.transformTree(MegaPhase.scala:450)
[error] dotty.tools.dotc.transform.MegaPhase.loop$3(MegaPhase.scala:482)
[error] dotty.tools.dotc.transform.MegaPhase.transformTrees(MegaPhase.scala:482)
[error] dotty.tools.dotc.transform.MegaPhase.transformUnnamed$1(MegaPhase.scala:292)
[error] dotty.tools.dotc.transform.MegaPhase.transformTree(MegaPhase.scala:450)
[error] dotty.tools.dotc.transform.MegaPhase.loop$3(MegaPhase.scala:482)
[error] dotty.tools.dotc.transform.MegaPhase.transformTrees(MegaPhase.scala:482)
[error] dotty.tools.dotc.transform.MegaPhase.transformUnnamed$1(MegaPhase.scala:292)
[error] dotty.tools.dotc.transform.MegaPhase.transformTree(MegaPhase.scala:450)
[error] dotty.tools.dotc.transform.MegaPhase.loop$3(MegaPhase.scala:482)
[error] dotty.tools.dotc.transform.MegaPhase.transformTrees(MegaPhase.scala:482)
[error] dotty.tools.dotc.transform.MegaPhase.transformUnnamed$1(MegaPhase.scala:292)
[error] dotty.tools.dotc.transform.MegaPhase.transformTree(MegaPhase.scala:450)
[error] dotty.tools.dotc.transform.MegaPhase.loop$3(MegaPhase.scala:482)
[error] dotty.tools.dotc.transform.MegaPhase.transformTrees(MegaPhase.scala:482)
[error] dotty.tools.dotc.transform.MegaPhase.transformUnnamed$1(MegaPhase.scala:292)
[error] dotty.tools.dotc.transform.MegaPhase.transformTree(MegaPhase.scala:450)
[error] dotty.tools.dotc.transform.MegaPhase.transformUnnamed$1(MegaPhase.scala:323)
[error] dotty.tools.dotc.transform.MegaPhase.transformTree(MegaPhase.scala:450)
[error] dotty.tools.dotc.transform.MegaPhase.transformNamed$1(MegaPhase.scala:240)
[error] dotty.tools.dotc.transform.MegaPhase.transformTree(MegaPhase.scala:448)
[error] dotty.tools.dotc.transform.MegaPhase.transformUnnamed$1(MegaPhase.scala:315)
[error] dotty.tools.dotc.transform.MegaPhase.transformTree(MegaPhase.scala:450)
[error] dotty.tools.dotc.transform.MegaPhase.loop$3(MegaPhase.scala:482)
[error] dotty.tools.dotc.transform.MegaPhase.transformTrees(MegaPhase.scala:482)
[error] dotty.tools.dotc.transform.MegaPhase.transformUnnamed$1(MegaPhase.scala:292)
[error] dotty.tools.dotc.transform.MegaPhase.transformTree(MegaPhase.scala:450)
[error] dotty.tools.dotc.transform.MegaPhase.mapDefDef$1(MegaPhase.scala:261)
[error] dotty.tools.dotc.transform.MegaPhase.transformNamed$1(MegaPhase.scala:264)
[error] dotty.tools.dotc.transform.MegaPhase.transformTree(MegaPhase.scala:448)
[error] dotty.tools.dotc.transform.MegaPhase.loop$2(MegaPhase.scala:467)
[error] dotty.tools.dotc.transform.MegaPhase.transformBlock(MegaPhase.scala:472)
[error] dotty.tools.dotc.transform.MegaPhase.transformUnnamed$1(MegaPhase.scala:311)
[error] dotty.tools.dotc.transform.MegaPhase.transformTree(MegaPhase.scala:450)
[error] dotty.tools.dotc.transform.MegaPhase.transformUnnamed$1(MegaPhase.scala:333)
[error] dotty.tools.dotc.transform.MegaPhase.transformTree(MegaPhase.scala:450)
[error] dotty.tools.dotc.transform.MegaPhase.loop$3(MegaPhase.scala:482)
[error] dotty.tools.dotc.transform.MegaPhase.transformTrees(MegaPhase.scala:482)
[error] dotty.tools.dotc.transform.MegaPhase.transformUnnamed$1(MegaPhase.scala:292)
[error] dotty.tools.dotc.transform.MegaPhase.transformTree(MegaPhase.scala:450)
[error] dotty.tools.dotc.transform.MegaPhase.transformUnnamed$1(MegaPhase.scala:333)
[error] dotty.tools.dotc.transform.MegaPhase.transformTree(MegaPhase.scala:450)
[error] dotty.tools.dotc.transform.MegaPhase.loop$2$$anonfun$1(MegaPhase.scala:470)
[error] dotty.tools.dotc.transform.MegaPhase.loop$2(MegaPhase.scala:472)
[error] dotty.tools.dotc.transform.MegaPhase.transformBlock(MegaPhase.scala:472)
[error] dotty.tools.dotc.transform.MegaPhase.transformUnnamed$1(MegaPhase.scala:311)
[error] dotty.tools.dotc.transform.MegaPhase.transformTree(MegaPhase.scala:450)
[error] dotty.tools.dotc.transform.MegaPhase.transformUnnamed$1(MegaPhase.scala:333)
[error] dotty.tools.dotc.transform.MegaPhase.transformTree(MegaPhase.scala:450)
[error] dotty.tools.dotc.transform.MegaPhase.loop$3(MegaPhase.scala:482)
[error] dotty.tools.dotc.transform.MegaPhase.transformTrees(MegaPhase.scala:482)
[error] dotty.tools.dotc.transform.MegaPhase.transformUnnamed$1(MegaPhase.scala:359)
[error] dotty.tools.dotc.transform.MegaPhase.transformTree(MegaPhase.scala:450)
[error] dotty.tools.dotc.transform.MegaPhase.loop$3(MegaPhase.scala:482)
[error] dotty.tools.dotc.transform.MegaPhase.transformTrees(MegaPhase.scala:482)
[error] dotty.tools.dotc.transform.MegaPhase.transformUnnamed$1(MegaPhase.scala:292)
[error] dotty.tools.dotc.transform.MegaPhase.transformTree(MegaPhase.scala:450)
[error] dotty.tools.dotc.transform.MegaPhase.mapDefDef$1(MegaPhase.scala:261)
[error] dotty.tools.dotc.transform.MegaPhase.transformNamed$1(MegaPhase.scala:264)
[error] dotty.tools.dotc.transform.MegaPhase.transformTree(MegaPhase.scala:448)
[error] dotty.tools.dotc.transform.MegaPhase.loop$1(MegaPhase.scala:461)
[error] dotty.tools.dotc.transform.MegaPhase.transformStats(MegaPhase.scala:461)
[error] dotty.tools.dotc.transform.MegaPhase.transformUnnamed$1(MegaPhase.scala:372)
[error] dotty.tools.dotc.transform.MegaPhase.transformTree(MegaPhase.scala:450)
[error] dotty.tools.dotc.transform.MegaPhase.transformNamed$1(MegaPhase.scala:268)
[error] dotty.tools.dotc.transform.MegaPhase.transformTree(MegaPhase.scala:448)
[error] dotty.tools.dotc.transform.MegaPhase.loop$1(MegaPhase.scala:461)
[error] dotty.tools.dotc.transform.MegaPhase.transformStats(MegaPhase.scala:461)
[error] dotty.tools.dotc.transform.MegaPhase.mapPackage$1(MegaPhase.scala:392)
[error] dotty.tools.dotc.transform.MegaPhase.transformUnnamed$1(MegaPhase.scala:395)
[error] dotty.tools.dotc.transform.MegaPhase.transformTree(MegaPhase.scala:450)
[error] dotty.tools.dotc.transform.MegaPhase.transformUnit(MegaPhase.scala:477)
[error] dotty.tools.dotc.transform.MegaPhase.run(MegaPhase.scala:489)
[error] dotty.tools.dotc.core.Phases$Phase.runOn$$anonfun$1(Phases.scala:354)
[error] scala.runtime.function.JProcedure1.apply(JProcedure1.java:15)
[error] scala.runtime.function.JProcedure1.apply(JProcedure1.java:10)
[error] scala.collection.immutable.List.foreach(List.scala:333)
[error] dotty.tools.dotc.core.Phases$Phase.runOn(Phases.scala:360)
[error] dotty.tools.dotc.Run.runPhases$1$$anonfun$1(Run.scala:315)
[error] scala.runtime.function.JProcedure1.apply(JProcedure1.java:15)
[error] scala.runtime.function.JProcedure1.apply(JProcedure1.java:10)
[error] scala.collection.ArrayOps$.foreach$extension(ArrayOps.scala:1323)
[error] dotty.tools.dotc.Run.runPhases$1(Run.scala:337)
[error] dotty.tools.dotc.Run.compileUnits$$anonfun$1(Run.scala:350)
[error] dotty.tools.dotc.Run.compileUnits$$anonfun$adapted$1(Run.scala:359)
[error] dotty.tools.dotc.util.Stats$.maybeMonitored(Stats.scala:69)
[error] dotty.tools.dotc.Run.compileUnits(Run.scala:359)
[error] dotty.tools.dotc.Run.compileSources(Run.scala:261)
[error] dotty.tools.dotc.Run.compile(Run.scala:246)
[error] dotty.tools.dotc.Driver.doCompile(Driver.scala:37)
[error] dotty.tools.xsbt.CompilerBridgeDriver.run(CompilerBridgeDriver.java:141)
[error] dotty.tools.xsbt.CompilerBridge.run(CompilerBridge.java:22)
[error] sbt.internal.inc.AnalyzingCompiler.compile(AnalyzingCompiler.scala:91)
[error] sbt.internal.inc.MixedAnalyzingCompiler.$anonfun$compile$7(MixedAnalyzingCompiler.scala:193)
[error] scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
[error] sbt.internal.inc.MixedAnalyzingCompiler.timed(MixedAnalyzingCompiler.scala:248)
[error] sbt.internal.inc.MixedAnalyzingCompiler.$anonfun$compile$4(MixedAnalyzingCompiler.scala:183)
[error] sbt.internal.inc.MixedAnalyzingCompiler.$anonfun$compile$4$adapted(MixedAnalyzingCompiler.scala:163)
[error] sbt.internal.inc.JarUtils$.withPreviousJar(JarUtils.scala:239)
[error] sbt.internal.inc.MixedAnalyzingCompiler.compileScala$1(MixedAnalyzingCompiler.scala:163)
[error] sbt.internal.inc.MixedAnalyzingCompiler.compile(MixedAnalyzingCompiler.scala:211)
[error] sbt.internal.inc.IncrementalCompilerImpl.$anonfun$compileInternal$1(IncrementalCompilerImpl.scala:534)
[error] sbt.internal.inc.IncrementalCompilerImpl.$anonfun$compileInternal$1$adapted(IncrementalCompilerImpl.scala:534)
[error] sbt.internal.inc.Incremental$.$anonfun$apply$5(Incremental.scala:180)
[error] sbt.internal.inc.Incremental$.$anonfun$apply$5$adapted(Incremental.scala:178)
[error] sbt.internal.inc.Incremental$$anon$2.run(Incremental.scala:464)
[error] sbt.internal.inc.IncrementalCommon$CycleState.next(IncrementalCommon.scala:116)
[error] sbt.internal.inc.IncrementalCommon$$anon$1.next(IncrementalCommon.scala:56)
[error] sbt.internal.inc.IncrementalCommon$$anon$1.next(IncrementalCommon.scala:52)
[error] sbt.internal.inc.IncrementalCommon.cycle(IncrementalCommon.scala:263)
[error] sbt.internal.inc.Incremental$.$anonfun$incrementalCompile$8(Incremental.scala:419)
[error] sbt.internal.inc.Incremental$.withClassfileManager(Incremental.scala:506)
[error] sbt.internal.inc.Incremental$.incrementalCompile(Incremental.scala:406)
[error] sbt.internal.inc.Incremental$.apply(Incremental.scala:172)
[error] sbt.internal.inc.IncrementalCompilerImpl.compileInternal(IncrementalCompilerImpl.scala:534)
[error] sbt.internal.inc.IncrementalCompilerImpl.$anonfun$compileIncrementally$1(IncrementalCompilerImpl.scala:488)
[error] sbt.internal.inc.IncrementalCompilerImpl.handleCompilationError(IncrementalCompilerImpl.scala:332)
[error] sbt.internal.inc.IncrementalCompilerImpl.compileIncrementally(IncrementalCompilerImpl.scala:425)
[error] sbt.internal.inc.IncrementalCompilerImpl.compile(IncrementalCompilerImpl.scala:137)
[error] sbt.Defaults$.compileIncrementalTaskImpl(Defaults.scala:2371)
[error] sbt.Defaults$.$anonfun$compileIncrementalTask$2(Defaults.scala:2321)
[error] sbt.internal.server.BspCompileTask$.$anonfun$compute$1(BspCompileTask.scala:31)
[error] sbt.internal.io.Retry$.apply(Retry.scala:47)
[error] sbt.internal.io.Retry$.apply(Retry.scala:29)
[error] sbt.internal.io.Retry$.apply(Retry.scala:24)
[error] sbt.internal.server.BspCompileTask$.compute(BspCompileTask.scala:31)
[error] sbt.Defaults$.$anonfun$compileIncrementalTask$1(Defaults.scala:2319)
[error] scala.Function1.$anonfun$compose$1(Function1.scala:49)
[error] sbt.internal.util.$tilde$greater.$anonfun$$u2219$1(TypeFunctions.scala:63)
[error] sbt.std.Transform$$anon$4.work(Transform.scala:69)
[error] sbt.Execute.$anonfun$submit$2(Execute.scala:283)
[error] sbt.internal.util.ErrorHandling$.wideConvert(ErrorHandling.scala:24)
[error] sbt.Execute.work(Execute.scala:292)
[error] sbt.Execute.$anonfun$submit$1(Execute.scala:283)
[error] sbt.ConcurrentRestrictions$$anon$4.$anonfun$submitValid$1(ConcurrentRestrictions.scala:265)
[error] sbt.CompletionService$$anon$2.call(CompletionService.scala:65)
[error] java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
[error] java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
[error] java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
[error] java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
[error] java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
[error] java.base/java.lang.Thread.run(Thread.java:829)
[error]
[error] stack trace is suppressed; run 'last Compile / compileIncremental' for the full output
[error] (Compile / compileIncremental) java.util.NoSuchElementException: key not found: class Cutscene

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