Failed to find name hashed for types with `$$`

It works fine with sbt version 1.0.2, but start failing 1.0.3 and greater. I found this commit might be related.

Error message:

[error] java.lang.RuntimeException: Failed to find name hashes for com.twitter.scrooge.serializer.thriftscala.SerializerListTest$$Adapt
[error]     at scala.sys.package$.error(package.scala:27)
[error]     at sbt.internal.inc.AnalysisCallback.nameHashesForCompanions(Compile.scala:325)
[error]     at sbt.internal.inc.AnalysisCallback.analyzeClass(Compile.scala:332)
[error]     at sbt.internal.inc.AnalysisCallback.$anonfun$addProductsAndDeps$4(Compile.scala:348)
[error]     at scala.collection.TraversableLike.$anonfun$map$1(TraversableLike.scala:234)
[error]     at scala.collection.mutable.HashSet.foreach(HashSet.scala:78)
[error]     at scala.collection.TraversableLike.map(TraversableLike.scala:234)
[error]     at scala.collection.TraversableLike.map$(TraversableLike.scala:227)
[error]     at scala.collection.mutable.AbstractSet.scala$collection$SetLike$$super$map(Set.scala:46)
[error]     at scala.collection.SetLike.map(SetLike.scala:101)
[error]     at scala.collection.SetLike.map$(SetLike.scala:101)
[error]     at scala.collection.mutable.AbstractSet.map(Set.scala:46)
[error]     at sbt.internal.inc.AnalysisCallback.$anonfun$addProductsAndDeps$1(Compile.scala:348)
[error]     at scala.collection.TraversableOnce.$anonfun$foldLeft$1(TraversableOnce.scala:157)
[error]     at scala.collection.TraversableOnce.$anonfun$foldLeft$1$adapted(TraversableOnce.scala:157)
[error]     at scala.collection.mutable.HashSet.foreach(HashSet.scala:78)
[error]     at scala.collection.TraversableOnce.foldLeft(TraversableOnce.scala:157)
[error]     at scala.collection.TraversableOnce.foldLeft$(TraversableOnce.scala:155)
[error]     at scala.collection.AbstractTraversable.foldLeft(Traversable.scala:104)
[error]     at scala.collection.TraversableOnce.$div$colon(TraversableOnce.scala:151)
[error]     at scala.collection.TraversableOnce.$div$colon$(TraversableOnce.scala:151)
[error]     at scala.collection.AbstractTraversable.$div$colon(Traversable.scala:104)
[error]     at sbt.internal.inc.AnalysisCallback.addProductsAndDeps(Compile.scala:344)
[error]     at sbt.internal.inc.AnalysisCallback.get(Compile.scala:294)
[error]     at sbt.internal.inc.Incremental$.doCompile(Incremental.scala:102)
[error]     at sbt.internal.inc.Incremental$.$anonfun$compile$4(Incremental.scala:82)
[error]     at sbt.internal.inc.IncrementalCommon.recompileClasses(IncrementalCommon.scala:117)
[error]     at sbt.internal.inc.IncrementalCommon.cycle(IncrementalCommon.scala:64)
[error]     at sbt.internal.inc.Incremental$.$anonfun$compile$3(Incremental.scala:84)
[error]     at sbt.internal.inc.Incremental$.manageClassfiles(Incremental.scala:129)
[error]     at sbt.internal.inc.Incremental$.compile(Incremental.scala:75)
[error]     at sbt.internal.inc.IncrementalCompile$.apply(Compile.scala:70)
[error]     at sbt.internal.inc.IncrementalCompilerImpl.compileInternal(IncrementalCompilerImpl.scala:309)
[error]     at sbt.internal.inc.IncrementalCompilerImpl.$anonfun$compileIncrementally$1(IncrementalCompilerImpl.scala:267)
[error]     at sbt.internal.inc.IncrementalCompilerImpl.handleCompilationError(IncrementalCompilerImpl.scala:158)
[error]     at sbt.internal.inc.IncrementalCompilerImpl.compileIncrementally(IncrementalCompilerImpl.scala:237)
[error]     at sbt.internal.inc.IncrementalCompilerImpl.compile(IncrementalCompilerImpl.scala:68)
[error]     at sbt.Defaults$.compileIncrementalTaskImpl(Defaults.scala:1403)
[error]     at sbt.Defaults$.$anonfun$compileIncrementalTask$1(Defaults.scala:1385)
[error]     at scala.Function1.$anonfun$compose$1(Function1.scala:44)
[error]     at sbt.internal.util.$tilde$greater.$anonfun$$u2219$1(TypeFunctions.scala:42)
[error]     at sbt.std.Transform$$anon$4.work(System.scala:64)
[error]     at sbt.Execute.$anonfun$submit$2(Execute.scala:257)
[error]     at sbt.internal.util.ErrorHandling$.wideConvert(ErrorHandling.scala:16)
[error]     at sbt.Execute.work(Execute.scala:266)
[error]     at sbt.Execute.$anonfun$submit$1(Execute.scala:257)
[error]     at sbt.ConcurrentRestrictions$$anon$4.$anonfun$submitValid$1(ConcurrentRestrictions.scala:167)
[error]     at sbt.CompletionService$$anon$2.call(CompletionService.scala:32)
[error]     at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[error]     at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
[error]     at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[error]     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
[error]     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
[error]     at java.lang.Thread.run(Thread.java:745)
[error] (scrooge-serializer/test:compileIncremental) Failed to find name hashes for com.twitter.scrooge.serializer.thriftscala.SerializerListTest$$Adapt
[error] Total time: 6 s, completed Apr 19, 2018 2:44:17 PM

Issue Analytics

State:
Created 5 years ago
Comments:9 (8 by maintainers)

Top GitHub Comments

1reaction

stuhoodcommented, Jun 24, 2018

I was able to work around this by using a different namespacing character in this generated code, so I think we’re unblocked.

1reaction

stuhoodcommented, Jun 24, 2018

It looks like this one might go fairly deep into a rabbit hole. It’s very, very easy to reproduce in a zinc test: I’ve pushed a repro here: https://github.com/sbt/zinc/compare/1.x...stuhood:stuhood/double-dollar .

Take this investigation with a grain of salt, but:

The issue appears to be that nothing ever calls void api(File sourceFile, xsbti.api.ClassLike classApi); for the class. From what I can tell, what should be calling that method in this case is the analysis callback in the compiler bridge.

As far as I can tell, the TopLevelTraverser in scala.xsbt.API never observes the class in the Tree, and so never calls ExtractAPI.extractAllClassesOf for it.

I’m going to give up on this one for now, because (if I understand this correctly), that means that either the class is not in the Tree (…which seems unlikely) or we’re not traversing the Tree correctly… and someone with more knowledge of the compiler would be able to move more quickly in there. cc @retronym , @jvican

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