2016-11-14 6 views
0

スカラ座2.11.8、グアバ20.0とSBT 0.13.13、 次のスニペットは、コンパイルがクラッシュし使用:グアバブルームフィルタ - Scalaのコンパイラでエラーが発生しました:typevarのLUB/GLBをやろうとしているT

import com.google.common.hash.BloomFilter 
object Test { 
    def test() { 
    BloomFilter.create(null, 1, 1) 
    } 
} 
を?この問題の原因を

Error in Scala compiler: trying to do lub/glb of typevar ?T
SBT builder crashed while compiling. The error message is 'trying to do lub/glb of typevar ?T' Unknown Scala Problem

任意のアイデア:エラーと

完全なログ:作成方法は、ジェネリック型TとScalaのコンパイラを持っている

[error] trying to do lub/glb of typevar ?T scala.reflect.internal.FatalError: trying to do lub/glb of typevar ?T at scala.reflect.internal.Reporting$class.abort(Reporting.scala:59) at scala.reflect.internal.SymbolTable.abort(SymbolTable.scala:16) at scala.reflect.internal.tpe.GlbLubs$class.stripType$1(GlbLubs.scala:224) at scala.reflect.internal.tpe.GlbLubs$$anonfun$18.apply(GlbLubs.scala:227) at scala.reflect.internal.tpe.GlbLubs$$anonfun$18.apply(GlbLubs.scala:227) at scala.collection.immutable.List.loop$1(List.scala:173) at scala.collection.immutable.List.mapConserve(List.scala:189) at scala.reflect.internal.tpe.GlbLubs$class.stripExistentialsAndTypeVars(GlbLubs.scala:227) at scala.reflect.internal.tpe.GlbLubs$class.lub1$1(GlbLubs.scala:328) at scala.reflect.internal.tpe.GlbLubs$class.lub0$1(GlbLubs.scala:322) at scala.reflect.internal.tpe.GlbLubs$class.lub(GlbLubs.scala:419) at scala.reflect.internal.SymbolTable.lub(SymbolTable.scala:16) at scala.reflect.internal.tpe.GlbLubs$class.lub(GlbLubs.scala:279) at scala.reflect.internal.SymbolTable.lub(SymbolTable.scala:16) at scala.reflect.internal.tpe.TypeConstraints$class.solveOne$1(TypeConstraints.scala:248) at scala.reflect.internal.tpe.TypeConstraints$$anonfun$solve$1.apply(TypeConstraints.scala:260) at scala.reflect.internal.tpe.TypeConstraints$$anonfun$solve$1.apply(TypeConstraints.scala:260) at scala.reflect.internal.util.Collections$class.foreach3(Collections.scala:231) at scala.reflect.internal.SymbolTable.foreach3(SymbolTable.scala:16) at scala.reflect.internal.tpe.TypeConstraints$class.solve(TypeConstraints.scala:260) at scala.reflect.internal.SymbolTable.solve(SymbolTable.scala:16) at scala.reflect.internal.Types$ExistentialType.withTypeVars(Types.scala:2699) at scala.reflect.internal.tpe.TypeComparers$class.thirdTry$1(TypeComparers.scala:483) at scala.reflect.internal.tpe.TypeComparers$class.secondTry$1(TypeComparers.scala:450) at scala.reflect.internal.tpe.TypeComparers$class.firstTry$1(TypeComparers.scala:426) at scala.reflect.internal.tpe.TypeComparers$class.isSubType2(TypeComparers.scala:552) at scala.reflect.internal.tpe.TypeComparers$class.isSubType1(TypeComparers.scala:320) at scala.reflect.internal.tpe.TypeComparers$class.isSubType(TypeComparers.scala:278) at scala.reflect.internal.SymbolTable.isSubType(SymbolTable.scala:16) at scala.reflect.internal.tpe.TypeComparers$class.secondTry$1(TypeComparers.scala:445) at scala.reflect.internal.tpe.TypeComparers$class.firstTry$1(TypeComparers.scala:426) at scala.reflect.internal.tpe.TypeComparers$class.isSubType2(TypeComparers.scala:552) at scala.reflect.internal.tpe.TypeComparers$class.isSubType1(TypeComparers.scala:320) at scala.reflect.internal.tpe.TypeComparers$class.isSubType(TypeComparers.scala:278) at scala.reflect.internal.SymbolTable.isSubType(SymbolTable.scala:16) at scala.reflect.internal.tpe.TypeComparers$class.isWeakSubType(TypeComparers.scala:575) at scala.reflect.internal.SymbolTable.isWeakSubType(SymbolTable.scala:16) at scala.reflect.internal.Types$Type.weak_$less$colon$less(Types.scala:825) at scala.tools.nsc.typechecker.Infer$Inferencer.scala$tools$nsc$typechecker$Infer$Inferencer$$isCompatible(Infer.scala:305) at scala.tools.nsc.typechecker.Infer$Inferencer$$anonfun$methTypeArgs$2.apply(Infer.scala:545) at scala.tools.nsc.typechecker.Infer$Inferencer$$anonfun$methTypeArgs$2.apply(Infer.scala:539) at scala.reflect.internal.util.Collections$class.map2(Collections.scala:79) at scala.reflect.internal.SymbolTable.map2(SymbolTable.scala:16) at scala.tools.nsc.typechecker.Infer$Inferencer.methTypeArgs(Infer.scala:539) at scala.tools.nsc.typechecker.Infer$Inferencer$$anonfun$tryInstantiating$1$1.apply$mcZ$sp(Infer.scala:736) at scala.tools.nsc.typechecker.Infer$class.falseIfNoInstance(Infer.scala:114) at scala.tools.nsc.Global$$anon$1.falseIfNoInstance(Global.scala:462) at scala.tools.nsc.typechecker.Infer$Inferencer.tryInstantiating$1(Infer.scala:734) at scala.tools.nsc.typechecker.Infer$Inferencer.typesCompatible$1(Infer.scala:746) at scala.tools.nsc.typechecker.Infer$Inferencer.isApplicableToMethod(Infer.scala:757) at scala.tools.nsc.typechecker.Infer$Inferencer.scala$tools$nsc$typechecker$Infer$Inferencer$$isApplicable(Infer.scala:776) at scala.tools.nsc.typechecker.Infer$Inferencer$$anonfun$scala$tools$nsc$typechecker$Infer$Inferencer$$isApplicable$2.apply(Infer.scala:778) at scala.tools.nsc.typechecker.Infer$Inferencer$$anonfun$scala$tools$nsc$typechecker$Infer$Inferencer$$isApplicable$2.apply(Infer.scala:778) at scala.reflect.internal.Symbols$class.createFromClonedSymbols(Symbols.scala:3662) at scala.reflect.internal.SymbolTable.createFromClonedSymbols(SymbolTable.scala:16) at scala.tools.nsc.typechecker.Infer$Inferencer.scala$tools$nsc$typechecker$Infer$Inferencer$$isApplicable(Infer.scala:778) at scala.tools.nsc.typechecker.Infer$Inferencer.checkIsApplicable$1(Infer.scala:807) at scala.tools.nsc.typechecker.Infer$Inferencer.isAsSpecific(Infer.scala:827) at scala.tools.nsc.typechecker.Infer$Inferencer.isStrictlyMoreSpecific(Infer.scala:865) at scala.tools.nsc.typechecker.Infer$Inferencer$InferMethodAlternativeTwice$1.scala$tools$nsc$typechecker$Infer$Inferencer$InferMethodAlternativeTwice$$rankAlternatives(Infer.scala:1401) at scala.tools.nsc.typechecker.Infer$Inferencer$InferMethodAlternativeTwice$1$$anonfun$36.apply(Infer.scala:1404) at scala.tools.nsc.typechecker.Infer$Inferencer$InferMethodAlternativeTwice$1$$anonfun$36.apply(Infer.scala:1404) at scala.tools.nsc.typechecker.Infer$class.improves$1(Infer.scala:62) at scala.tools.nsc.typechecker.Infer$$anonfun$4.apply(Infer.scala:65) at scala.tools.nsc.typechecker.Infer$$anonfun$4.apply(Infer.scala:65) at scala.math.Ordering$$anon$9.compare(Ordering.scala:200) at java.util.TimSort.countRunAndMakeAscending(Unknown Source) at java.util.TimSort.sort(Unknown Source) at java.util.Arrays.sort(Unknown Source) at scala.collection.SeqLike$class.sorted(SeqLike.scala:648) at scala.collection.AbstractSeq.sorted(Seq.scala:41) at scala.collection.SeqLike$class.sortWith(SeqLike.scala:601) at scala.collection.AbstractSeq.sortWith(Seq.scala:41) at scala.tools.nsc.typechecker.Infer$class.scala$tools$nsc$typechecker$Infer$$bestAlternatives(Infer.scala:65) at scala.tools.nsc.typechecker.Infer$Inferencer$InferMethodAlternativeTwice$1.bestForExpectedType(Infer.scala:1404) at scala.tools.nsc.typechecker.Infer$Inferencer$InferMethodAlternativeTwice$1.tryOnce(Infer.scala:1416) at scala.tools.nsc.typechecker.Contexts$Context$TryTwice.apply(Contexts.scala:357) at scala.tools.nsc.typechecker.Infer$Inferencer.inferMethodAlternative(Infer.scala:1420) at scala.tools.nsc.typechecker.Typers$Typer.handleOverloaded$1(Typers.scala:3297) at scala.tools.nsc.typechecker.Typers$Typer.doTypedApply(Typers.scala:3301) at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$98.apply(Typers.scala:4496) at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$98.apply(Typers.scala:4496) at scala.tools.nsc.typechecker.Typers$Typer.silent(Typers.scala:680) at scala.tools.nsc.typechecker.Typers$Typer.tryTypedApply$1(Typers.scala:4496) at scala.tools.nsc.typechecker.Typers$Typer.normalTypedApply$1(Typers.scala:4544) at scala.tools.nsc.typechecker.Typers$Typer.typedApply$1(Typers.scala:4580) at scala.tools.nsc.typechecker.Typers$Typer.typedInAnyMode$1(Typers.scala:5343) at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:5360) at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.scala:5396) at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.scala:5423) at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.scala:5370) at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5374) at scala.tools.nsc.typechecker.Typers$Typer.transformedOrTyped(Typers.scala:5605) at scala.tools.nsc.typechecker.Typers$Typer.typedDefDef(Typers.scala:2208) at scala.tools.nsc.typechecker.Typers$Typer.typedMemberDef$1(Typers.scala:5308) at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:5359) at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.scala:5396) at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.scala:5423) at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.scala:5370) at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5374) at scala.tools.nsc.typechecker.Typers$Typer.typedByValueExpr(Typers.scala:5452) at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedStat$1(Typers.scala:3047) at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$65.apply(Typers.scala:3151) at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$65.apply(Typers.scala:3151) at scala.collection.immutable.List.loop$1(List.scala:173) at scala.collection.immutable.List.mapConserve(List.scala:189) at scala.tools.nsc.typechecker.Typers$Typer.typedStats(Typers.scala:3151) at scala.tools.nsc.typechecker.Typers$Typer.typedTemplate(Typers.scala:1921) at scala.tools.nsc.typechecker.Typers$Typer.typedModuleDef(Typers.scala:1808) at scala.tools.nsc.typechecker.Typers$Typer.typedMemberDef$1(Typers.scala:5310) at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:5359) at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.scala:5396) at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.scala:5423) at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.scala:5370) at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5374) at scala.tools.nsc.typechecker.Typers$Typer.typedByValueExpr(Typers.scala:5452) at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedStat$1(Typers.scala:3047) at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$65.apply(Typers.scala:3151) at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$65.apply(Typers.scala:3151) at scala.collection.immutable.List.loop$1(List.scala:173) at scala.collection.immutable.List.mapConserve(List.scala:189) at scala.tools.nsc.typechecker.Typers$Typer.typedStats(Typers.scala:3151) at scala.tools.nsc.typechecker.Typers$Typer.typedPackageDef$1(Typers.scala:5015) at scala.tools.nsc.typechecker.Typers$Typer.typedMemberDef$1(Typers.scala:5312) at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:5359) at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.scala:5396) at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.scala:5423) at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.scala:5370) at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5374) at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5448) at scala.tools.nsc.typechecker.Analyzer$typerFactory$$anon$3.apply(Analyzer.scala:102) at scala.tools.nsc.Global$GlobalPhase$$anonfun$applyPhase$1.apply$mcV$sp(Global.scala:440) at scala.tools.nsc.Global$GlobalPhase.withCurrentUnit(Global.scala:431) at scala.tools.nsc.Global$GlobalPhase.applyPhase(Global.scala:440) at scala.tools.nsc.typechecker.Analyzer$typerFactory$$anon$3$$anonfun$run$1.apply(Analyzer.scala:94) at scala.tools.nsc.typechecker.Analyzer$typerFactory$$anon$3$$anonfun$run$1.apply(Analyzer.scala:93) at scala.collection.Iterator$class.foreach(Iterator.scala:893) at scala.collection.AbstractIterator.foreach(Iterator.scala:1336) at scala.tools.nsc.typechecker.Analyzer$typerFactory$$anon$3.run(Analyzer.scala:93) at scala.tools.nsc.Global$Run.compileUnitsInternal(Global.scala:1501) at scala.tools.nsc.Global$Run.compileUnits(Global.scala:1486) at scala.tools.nsc.Global$Run.compileSources(Global.scala:1481) at scala.tools.nsc.Global$Run.compile(Global.scala:1582) at xsbt.CachedCompiler0.run(CompilerInterface.scala:116) at xsbt.CachedCompiler0.run(CompilerInterface.scala:95) at xsbt.CompilerInterface.run(CompilerInterface.scala:26) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at sbt.compiler.AnalyzingCompiler.call(AnalyzingCompiler.scala:107) at sbt.compiler.AnalyzingCompiler.compile(AnalyzingCompiler.scala:53) at sbt.compiler.AnalyzingCompiler.compile(AnalyzingCompiler.scala:47) at sbt.compiler.MixedAnalyzingCompiler$$anonfun$compileScala$1$1.apply$mcV$sp(MixedAnalyzingCompiler.scala:50) at sbt.compiler.MixedAnalyzingCompiler$$anonfun$compileScala$1$1.apply(MixedAnalyzingCompiler.scala:50) at sbt.compiler.MixedAnalyzingCompiler$$anonfun$compileScala$1$1.apply(MixedAnalyzingCompiler.scala:50) at sbt.compiler.MixedAnalyzingCompiler.timed(MixedAnalyzingCompiler.scala:74) at sbt.compiler.MixedAnalyzingCompiler.compileScala$1(MixedAnalyzingCompiler.scala:49) at sbt.compiler.MixedAnalyzingCompiler.compile(MixedAnalyzingCompiler.scala:64) at sbt.compiler.IC$$anonfun$compileInternal$1.apply(IncrementalCompiler.scala:160) at sbt.compiler.IC$$anonfun$compileInternal$1.apply(IncrementalCompiler.scala:160) at sbt.inc.IncrementalCompile$$anonfun$doCompile$1.apply(Compile.scala:66) at sbt.inc.IncrementalCompile$$anonfun$doCompile$1.apply(Compile.scala:64) at sbt.inc.IncrementalCommon.cycle(IncrementalCommon.scala:32) at sbt.inc.Incremental$$anonfun$1.apply(Incremental.scala:72) at sbt.inc.Incremental$$anonfun$1.apply(Incremental.scala:71) at sbt.inc.Incremental$.manageClassfiles(Incremental.scala:99) at sbt.inc.Incremental$.compile(Incremental.scala:71) at sbt.inc.IncrementalCompile$.apply(Compile.scala:54) at sbt.compiler.IC$.compileInternal(IncrementalCompiler.scala:160) at sbt.compiler.IC$.incrementalCompile(IncrementalCompiler.scala:138) at sbt.Compiler$.compile(Compiler.scala:155) at sbt.Compiler$.compile(Compiler.scala:141) at sbt.Defaults$.sbt$Defaults$$compileIncrementalTaskImpl(Defaults.scala:879) at sbt.Defaults$$anonfun$compileIncrementalTask$1.apply(Defaults.scala:870) at sbt.Defaults$$anonfun$compileIncrementalTask$1.apply(Defaults.scala:868) at scala.Function1$$anonfun$compose$1.apply(Function1.scala:47) at sbt.$tilde$greater$$anonfun$$u2219$1.apply(TypeFunctions.scala:40) at sbt.std.Transform$$anon$4.work(System.scala:63) at sbt.Execute$$anonfun$submit$1$$anonfun$apply$1.apply(Execute.scala:228) at sbt.Execute$$anonfun$submit$1$$anonfun$apply$1.apply(Execute.scala:228) at sbt.ErrorHandling$.wideConvert(ErrorHandling.scala:17) at sbt.Execute.work(Execute.scala:237) at sbt.Execute$$anonfun$submit$1.apply(Execute.scala:228) at sbt.Execute$$anonfun$submit$1.apply(Execute.scala:228) at sbt.ConcurrentRestrictions$$anon$4$$anonfun$1.apply(ConcurrentRestrictions.scala:159) at sbt.CompletionService$$anon$2.call(CompletionService.scala:28) at java.util.concurrent.FutureTask.run(Unknown Source) at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) at java.util.concurrent.FutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) [error] (test:compileIncremental) scala.reflect.internal.FatalError: trying to do lub/glb of typevar ?T [error] Total time: 3 s, completed Nov 14, 2016 10:05:52 AM

答えて

3

は、あなたが最初の引数として与えるNULL値からそれを推測するために失敗しています。それを少し助けても、それはうまくコンパイルされます:

import com.google.common.hash.BloomFilter 

object Test { 

    def test(): Unit = { 
    BloomFilter.create[Nothing](null, 1, 1) 
    } 

} 
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