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error while loading .class file in nightly scalac #20361

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timothyklim opened this issue May 8, 2024 · 12 comments
Open

error while loading .class file in nightly scalac #20361

timothyklim opened this issue May 8, 2024 · 12 comments
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@hamzaremmal
Labels
compat:java itype:bug regression This worked in a previous version but doesn't anymore

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@timothyklim
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Compiler version

Problem started from 3.5.0-RC1-bin-20240501-e6bc130-NIGHTLY version and still present in latest nightly build. As a workaround I'm using 3.5.0-RC1-bin-20240429-e2c456f-NIGHTLY version.

Minimized code

[Error] error while loading ArrayBlockingQueueWithShutdown$Itr,
[Error]   class file org/jitsi/utils/concurrent/ArrayBlockingQueueWithShutdown$Itr.class is broken (version 52.0),
[Error]   please check the JDK compatibility of your Scala version (3.5.0-RC1-bin-20240501-e6bc130-NIGHTLY),
[Error]   reading aborted with class java.util.NoSuchElementException:
[Error]   key not found: E
[Error] error while loading PacketQueue$HandlerAdapter,
[Error]   class file org/jitsi/utils/queue/PacketQueue$HandlerAdapter.class is broken (version 52.0),
[Error]   please check the JDK compatibility of your Scala version (3.5.0-RC1-bin-20240501-e6bc130-NIGHTLY),
[Error]   reading aborted with class java.util.NoSuchElementException:
[Error]   key not found: T
[Error] error while loading ResettableLazy$lazyHolder$1,
[Error]   class file org/jitsi/utils/ResettableLazy$lazyHolder$1.class is broken (version 61.0),
[Error]   please check the JDK compatibility of your Scala version (3.5.0-RC1-bin-20240501-e6bc130-NIGHTLY),
[Error]   reading aborted with class java.util.NoSuchElementException:
[Error]   key not found: T
[Error] error while loading DelegatesKt$observableWhenChanged$$inlined$observableWhenChanged$1,
[Error]   class file org/jitsi/utils/DelegatesKt$observableWhenChanged$$inlined$observableWhenChanged$1.class is broken (version 61.0),
[Error]   please check the JDK compatibility of your Scala version (3.5.0-RC1-bin-20240501-e6bc130-NIGHTLY),
[Error]   reading aborted with class java.util.NoSuchElementException:
[Error]   key not found: T
[Error] error while loading DelegatesKt$observableWhenChanged$$inlined$observable$1,
[Error]   class file org/jitsi/utils/DelegatesKt$observableWhenChanged$$inlined$observable$1.class is broken (version 61.0),
[Error]   please check the JDK compatibility of your Scala version (3.5.0-RC1-bin-20240501-e6bc130-NIGHTLY),
[Error]   reading aborted with class java.util.NoSuchElementException:
[Error]   key not found: T
[Error] error while loading ResettableLazy$reset$1,
[Error]   class file org/jitsi/utils/ResettableLazy$reset$1.class is broken (version 61.0),
[Error]   please check the JDK compatibility of your Scala version (3.5.0-RC1-bin-20240501-e6bc130-NIGHTLY),
[Error]   reading aborted with class java.util.NoSuchElementException:
[Error]   key not found: T
@timothyklim timothyklim added itype:bug stat:needs triage Every issue needs to have an "area" and "itype" label labels May 8, 2024
@Gedochao Gedochao added stat:needs info stat:needs minimization Needs a self contained minimization regression This worked in a previous version but doesn't anymore compat:java and removed stat:needs triage Every issue needs to have an "area" and "itype" label labels May 9, 2024
@Gedochao
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Gedochao commented May 9, 2024

@timothyklim can you provide a minimization? Just the error output isn't enough to go on here.
I'm guessing this is somehow reproducible with jitsi-utils?

@timothyklim
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3.5.0-RC1-bin-20240429-e2c456f-NIGHTLY

Yes, please: https://github.com/timothyklim/scala3-issue-20361

@Gedochao
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We'll still need a minimization without dependencies (without depending on jitsi-utils).

Still, @timothyklim the reproduction you sent seems to include a custom jitsi-utils JAR, rather than the most recent version from maven (seems to be https://mvnrepository.com/artifact/org.jitsi/jitsi-utils/1.0-130-g1473517).
I can't seem to reproduce this with the version from maven.

The following seems to work correctly:

//> using scala 3.5.0-RC1-bin-20240501-e6bc130-NIGHTLY
//> using dep org.jitsi:jitsi-utils:1.0-130-g1473517
import org.jitsi.utils.*

@main def run(): Unit = println("test")

Any context for what you're using? It's hard to investigate with what's there.

@Gedochao
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Bonus question: what JVM is this supposed to be run on?

@timothyklim
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I'm using my custom JDK 22 but tested with JDK 19 (19.0.2) from nixpkgs: nix run nixpkgs/release-23.11#sbt

@Gedochao
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What about jitsi-utils? what is the version that's being used in the repro repository?

@timothyklim

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@timothyklim
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I pushed new commit with official version from maven: timothyklim/scala3-issue-20361@bd2d6d6 there no bazel, no custom patches, no jar in lib/, but the same error.

@timothyklim
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If I remove scalac option -experimental then everything works but in my project I cannot remove this option because I'm using many experimental features from nightly such as saferExceptions

@timothyklim
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We'll still need a minimization without dependencies (without depending on jitsi-utils).

Still, @timothyklim the reproduction you sent seems to include a custom jitsi-utils JAR, rather than the most recent version from maven (seems to be https://mvnrepository.com/artifact/org.jitsi/jitsi-utils/1.0-130-g1473517). I can't seem to reproduce this with the version from maven.

The following seems to work correctly:

//> using scala 3.5.0-RC1-bin-20240501-e6bc130-NIGHTLY
//> using dep org.jitsi:jitsi-utils:1.0-130-g1473517
import org.jitsi.utils.*

@main def run(): Unit = println("test")

Any context for what you're using? It's hard to investigate with what's there.

Did you pass -experimental flag to scala?

@Gedochao
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Did you pass -experimental flag to scala?

Yes.
Interesting. I can't replicate with Scala CLI, but I can with SBT.

This works:

//> using scala 3.5.0-RC1-bin-20240501-e6bc130-NIGHTLY
//> using dep org.jitsi:jitsi-utils:1.0-130-g1473517
//> using options -experimental

import org.jitsi.utils.*

@main def run(): Unit = println("test")

But with SBT, the same doesn't.
repro.scala:

import org.jitsi.utils.*

@main def run(): Unit = println("test")

build.sbt:

scalaVersion := "3.5.0-RC1-bin-20240501-e6bc130-NIGHTLY"
scalacOptions ++= Seq("-experimental")
libraryDependencies += "org.jitsi" % "jitsi-utils" % "1.0-130-g1473517"

output:

sbt:dest> run
[info] compiling 1 Scala source to /Users/pchabelski/IdeaProjects/scala-cli-tests/compiler-repro/dest/target/scala-3.5.0-RC1-bin-20240501-e6bc130-NIGHTLY/classes ...
exception caught when loading class module-info: java.lang.AssertionError: assertion failed: attempt to parse java.lang.Object from classfile
error while transforming package <empty> {
  final lazy module val repro$package: repro$package = new repro$package()
  final module class repro$package() extends Object() {
    this: repro$package.type =>
    @main def run(): Unit = println("test")
  }
  final class run() extends Object() {
    <static> def main(args: Array[String]): Unit =
      try run() catch 
        {
          case error @ _:scala.util.CommandLineParser.ParseError =>
            scala.util.CommandLineParser.showError(error)
        }
  }
}

  unhandled exception while running posttyper on /Users/pchabelski/IdeaProjects/scala-cli-tests/compiler-repro/dest/src/main/scala/repro.scala

  An unhandled exception was thrown in the compiler.
  Please file a crash report here:
  https://github.com/scala/scala3/issues/new/choose
  For non-enriched exceptions, compile with -Yno-enrich-error-messages.

     while compiling: /Users/pchabelski/IdeaProjects/scala-cli-tests/compiler-repro/dest/src/main/scala/repro.scala
        during phase: posttyper
                mode: Mode(ImplicitsEnabled)
     library version: version 2.13.12
    compiler version: version 3.5.0-RC1-bin-20240501-e6bc130-NIGHTLY-git-e6bc130
            settings: -bootclasspath /Users/pchabelski/Library/Caches/Coursier/v1/https/repo1.maven.org/maven2/org/scala-lang/scala3-library_3/3.5.0-RC1-bin-20240501-e6bc130-NIGHTLY/scala3-library_3-3.5.0-RC1-bin-20240501-e6bc130-NIGHTLY.jar:/Users/pchabelski/Library/Caches/Coursier/v1/https/repo1.maven.org/maven2/org/scala-lang/scala-library/2.13.12/scala-library-2.13.12.jar -classpath /Users/pchabelski/IdeaProjects/scala-cli-tests/compiler-repro/dest/target/scala-3.5.0-RC1-bin-20240501-e6bc130-NIGHTLY/classes:/Users/pchabelski/Library/Caches/Coursier/v1/https/repo1.maven.org/maven2/org/jitsi/jitsi-utils/1.0-130-g1473517/jitsi-utils-1.0-130-g1473517.jar:/Users/pchabelski/Library/Caches/Coursier/v1/https/repo1.maven.org/maven2/com/googlecode/json-simple/json-simple/1.1.1/json-simple-1.1.1.jar:/Users/pchabelski/Library/Caches/Coursier/v1/https/repo1.maven.org/maven2/net/java/dev/jna/jna/5.9.0/jna-5.9.0.jar:/Users/pchabelski/Library/Caches/Coursier/v1/https/repo1.maven.org/maven2/org/jetbrains/kotlin/kotlin-stdlib/1.9.10/kotlin-stdlib-1.9.10.jar:/Users/pchabelski/Library/Caches/Coursier/v1/https/repo1.maven.org/maven2/org/jetbrains/kotlin/kotlin-reflect/1.9.10/kotlin-reflect-1.9.10.jar:/Users/pchabelski/Library/Caches/Coursier/v1/https/repo1.maven.org/maven2/org/jetbrains/kotlin/kotlin-stdlib-common/1.9.10/kotlin-stdlib-common-1.9.10.jar:/Users/pchabelski/Library/Caches/Coursier/v1/https/repo1.maven.org/maven2/org/jetbrains/annotations/13.0/annotations-13.0.jar -d /Users/pchabelski/IdeaProjects/scala-cli-tests/compiler-repro/dest/target/scala-3.5.0-RC1-bin-20240501-e6bc130-NIGHTLY/classes -experimental true

[error] ## Exception when compiling 1 sources to /Users/pchabelski/IdeaProjects/scala-cli-tests/compiler-repro/dest/target/scala-3.5.0-RC1-bin-20240501-e6bc130-NIGHTLY/classes
[error] java.lang.AssertionError: assertion failed: attempt to parse java.lang.Object from classfile
[error] scala.runtime.Scala3RunTime$.assertFailed(Scala3RunTime.scala:8)
[error] dotty.tools.dotc.core.classfile.ClassfileParser$AbstractConstantPool.getSuperClass(ClassfileParser.scala:175)
[error] dotty.tools.dotc.core.classfile.ClassfileParser.parseParents$1(ClassfileParser.scala:380)
[error] dotty.tools.dotc.core.classfile.ClassfileParser.parseClass(ClassfileParser.scala:395)
[error] dotty.tools.dotc.core.classfile.ClassfileParser.$anonfun$1(ClassfileParser.scala:302)
[error] dotty.tools.dotc.core.classfile.ClassfileParser.run(ClassfileParser.scala:297)
[error] dotty.tools.dotc.core.ClassfileLoader.doComplete(SymbolLoaders.scala:417)
[error] dotty.tools.dotc.core.SymbolLoader.complete(SymbolLoaders.scala:348)
[error] dotty.tools.dotc.core.SymDenotations$SymDenotation.completeFrom(SymDenotations.scala:175)
[error] dotty.tools.dotc.core.Denotations$Denotation.completeInfo$1(Denotations.scala:190)
[error] dotty.tools.dotc.core.Denotations$Denotation.info(Denotations.scala:192)
[error] dotty.tools.dotc.core.SymDenotations$SymDenotation.ensureCompleted(SymDenotations.scala:393)
[error] dotty.tools.dotc.core.SymDenotations$SymDenotation.annotations(SymDenotations.scala:231)
[error] dotty.tools.dotc.core.SymDenotations$SymDenotation.hasAnnotation(SymDenotations.scala:245)
[error] dotty.tools.dotc.core.SymUtils.isExperimental(SymUtils.scala:364)
[error] dotty.tools.dotc.typer.Checking$.isNonExperimentalTopLevelDefinition$1(Checking.scala:809)
[error] dotty.tools.dotc.typer.Checking$.nonExperimentalTopLevelDefs$1$$anonfun$1(Checking.scala:817)
[error] scala.collection.Iterator$$anon$10.nextCur(Iterator.scala:594)
[error] scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:608)
[error] scala.collection.IterableOnceOps.foreach(IterableOnce.scala:576)
[error] scala.collection.IterableOnceOps.foreach$(IterableOnce.scala:574)
[error] scala.collection.AbstractIterator.foreach(Iterator.scala:1300)
[error] dotty.tools.dotc.typer.Checking$.markTopLevelDefsAsExperimental$1(Checking.scala:837)
[error] dotty.tools.dotc.typer.Checking$.checkAndAdaptExperimentalImports(Checking.scala:845)
[error] dotty.tools.dotc.transform.PostTyper$PostTyperTransformer.transformStats(PostTyper.scala:548)
[error] dotty.tools.dotc.ast.tpd$TreeMapWithPreciseStatContexts.transformStats(tpd.scala:1242)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1613)
[error] dotty.tools.dotc.transform.MacroTransform$Transformer.transform(MacroTransform.scala:42)
[error] dotty.tools.dotc.transform.PostTyper$PostTyperTransformer.transform(PostTyper.scala:539)
[error] dotty.tools.dotc.transform.MacroTransform.run(MacroTransform.scala:20)
[error] dotty.tools.dotc.core.Phases$Phase.runOn$$anonfun$1(Phases.scala:380)
[error] scala.runtime.function.JProcedure1.apply(JProcedure1.java:15)
[error] scala.runtime.function.JProcedure1.apply(JProcedure1.java:10)
[error] scala.collection.immutable.List.foreach(List.scala:333)
[error] dotty.tools.dotc.core.Phases$Phase.runOn(Phases.scala:373)
[error] dotty.tools.dotc.Run.runPhases$1$$anonfun$1(Run.scala:343)
[error] scala.runtime.function.JProcedure1.apply(JProcedure1.java:15)
[error] scala.runtime.function.JProcedure1.apply(JProcedure1.java:10)
[error] scala.collection.ArrayOps$.foreach$extension(ArrayOps.scala:1323)
[error] dotty.tools.dotc.Run.runPhases$1(Run.scala:336)
[error] dotty.tools.dotc.Run.compileUnits$$anonfun$1(Run.scala:384)
[error] dotty.tools.dotc.Run.compileUnits$$anonfun$adapted$1(Run.scala:396)
[error] dotty.tools.dotc.util.Stats$.maybeMonitored(Stats.scala:69)
[error] dotty.tools.dotc.Run.compileUnits(Run.scala:396)
[error] dotty.tools.dotc.Run.compileSources(Run.scala:282)
[error] dotty.tools.dotc.Run.compile(Run.scala:267)
[error] dotty.tools.dotc.Driver.doCompile(Driver.scala:37)
[error] dotty.tools.xsbt.CompilerBridgeDriver.run(CompilerBridgeDriver.java:141)
[error] dotty.tools.xsbt.CompilerBridge.run(CompilerBridge.java:22)
[error] sbt.internal.inc.AnalyzingCompiler.compile(AnalyzingCompiler.scala:91)
[error] sbt.internal.inc.MixedAnalyzingCompiler.$anonfun$compile$7(MixedAnalyzingCompiler.scala:193)
[error] scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
[error] sbt.internal.inc.MixedAnalyzingCompiler.timed(MixedAnalyzingCompiler.scala:248)
[error] sbt.internal.inc.MixedAnalyzingCompiler.$anonfun$compile$4(MixedAnalyzingCompiler.scala:183)
[error] sbt.internal.inc.MixedAnalyzingCompiler.$anonfun$compile$4$adapted(MixedAnalyzingCompiler.scala:163)
[error] sbt.internal.inc.JarUtils$.withPreviousJar(JarUtils.scala:239)
[error] sbt.internal.inc.MixedAnalyzingCompiler.compileScala$1(MixedAnalyzingCompiler.scala:163)
[error] sbt.internal.inc.MixedAnalyzingCompiler.compile(MixedAnalyzingCompiler.scala:211)
[error] sbt.internal.inc.IncrementalCompilerImpl.$anonfun$compileInternal$1(IncrementalCompilerImpl.scala:534)
[error] sbt.internal.inc.IncrementalCompilerImpl.$anonfun$compileInternal$1$adapted(IncrementalCompilerImpl.scala:534)
[error] sbt.internal.inc.Incremental$.$anonfun$apply$5(Incremental.scala:180)
[error] sbt.internal.inc.Incremental$.$anonfun$apply$5$adapted(Incremental.scala:178)
[error] sbt.internal.inc.Incremental$$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:539)
[error] java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
[error] java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
[error] java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
[error] java.base/java.lang.Thread.run(Thread.java:833)
[error]            
[error] stack trace is suppressed; run last Compile / compileIncremental for the full output
[error] (Compile / compileIncremental) java.lang.AssertionError: assertion failed: attempt to parse java.lang.Object from classfile
[error] Total time: 0 s, completed May 13, 2024, 2:00:32 PM

It's worth noting that removing the -experimental flag indeed makes the error go away.
This also doesn't happen on 3.4.1.

@Gedochao Gedochao removed stat:needs info stat:needs minimization Needs a self contained minimization labels May 13, 2024
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@hamzaremmal hamzaremmal

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@timothyklim @Gedochao @hamzaremmal