[error] [error] symbol value #15064 does not exist in a.B.d, which contains locals . [error] Method code: def d(): scala.Unit = B.this.c().update(undefinedSymbol, scala.Int.box(scala.Int.unbox(B.this.c().apply(undefinedSymbol)).+(1))) [error] while compiling: /Users/james/Projects/naptest/src/main/scala/com/netaporter/main/Application.scala [error] during phase: icode [error] library version: version 2.11.8 [error] compiler version: version 2.11.8 [error] reconstructed args: -classpath /Users/james/Projects/naptest/target/scala-2.11/classes -bootclasspath /Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/lib/sunrsasign.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/classes:/Users/james/.ivy2/cache/org.scala-lang/scala-library/jars/scala-library-2.11.8.jar -uniqid [error] [error] last tree to typer: Ident(c) [error] tree position: line 3 of /Users/james/Projects/naptest/src/main/scala/com/netaporter/main/Application.scala [error] tree tpe: scala#27.collection#2758.mutable#5843.Map#8427 [error] symbol: value c#9773 [error] symbol definition: c#9773: scala#27.collection#2758.mutable#5843.Map#8427 (a TermSymbol) [error] symbol package: a [error] symbol owners: value c#9773 -> constructor B#8307 -> class B#8210 [error] call site: object B#8212 in package a#8209 in package a#8208 [error] [error] == Source file context for tree position == [error] [error] 0 package a [error] 1 [error] 2 case class B(c: collection.mutable.Map[Int, Int]) { [error] 3 def d(): Unit = c(undefinedSymbol) += 1 [error] 4 } scala.reflect.internal.FatalError: symbol value #15064 does not exist in a.B.d, which contains locals . Method code: def d(): scala.Unit = B.this.c().update(undefinedSymbol, scala.Int.box(scala.Int.unbox(B.this.c().apply(undefinedSymbol)).+(1))) while compiling: /Users/james/Projects/naptest/src/main/scala/com/netaporter/main/Application.scala during phase: icode library version: version 2.11.8 compiler version: version 2.11.8 reconstructed args: -classpath /Users/james/Projects/naptest/target/scala-2.11/classes -bootclasspath /Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/lib/sunrsasign.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/classes:/Users/james/.ivy2/cache/org.scala-lang/scala-library/jars/scala-library-2.11.8.jar -uniqid last tree to typer: Ident(c) tree position: line 3 of /Users/james/Projects/naptest/src/main/scala/com/netaporter/main/Application.scala tree tpe: scala#27.collection#2758.mutable#5843.Map#8427 symbol: value c#9773 symbol definition: c#9773: scala#27.collection#2758.mutable#5843.Map#8427 (a TermSymbol) symbol package: a symbol owners: value c#9773 -> constructor B#8307 -> class B#8210 call site: object B#8212 in package a#8209 in package a#8208 == Source file context for tree position == 0 package a 1 2 case class B(c: collection.mutable.Map[Int, Int]) { 3 def d(): Unit = c(undefinedSymbol) += 1 4 } at scala.reflect.internal.Reporting$class.abort(Reporting.scala:59) at scala.reflect.internal.SymbolTable.abort(SymbolTable.scala:16) at scala.tools.nsc.backend.icode.GenICode$ICodePhase.genLoadIdent$1(GenICode.scala:890) at scala.tools.nsc.backend.icode.GenICode$ICodePhase.scala$tools$nsc$backend$icode$GenICode$ICodePhase$$genLoad(GenICode.scala:898) at scala.tools.nsc.backend.icode.GenICode$ICodePhase$$anonfun$genLoadArguments$1.apply(GenICode.scala:1140) at scala.tools.nsc.backend.icode.GenICode$ICodePhase$$anonfun$genLoadArguments$1.apply(GenICode.scala:1138) at scala.collection.LinearSeqOptimized$class.foldLeft(LinearSeqOptimized.scala:124) at scala.collection.immutable.List.foldLeft(List.scala:84) at scala.tools.nsc.backend.icode.GenICode$ICodePhase.genLoadArguments(GenICode.scala:1138) at scala.tools.nsc.backend.icode.GenICode$ICodePhase.genLoadApply6$1(GenICode.scala:778) at scala.tools.nsc.backend.icode.GenICode$ICodePhase.scala$tools$nsc$backend$icode$GenICode$ICodePhase$$genLoad(GenICode.scala:809) at scala.tools.nsc.backend.icode.GenICode$ICodePhase.gen(GenICode.scala:123) at scala.tools.nsc.backend.icode.GenICode$ICodePhase.gen(GenICode.scala:71) at scala.tools.nsc.backend.icode.GenICode$ICodePhase.gen(GenICode.scala:148) at scala.tools.nsc.backend.icode.GenICode$ICodePhase.gen(GenICode.scala:98) at scala.tools.nsc.backend.icode.GenICode$ICodePhase.gen(GenICode.scala:71) at scala.tools.nsc.backend.icode.GenICode$ICodePhase.gen(GenICode.scala:89) at scala.tools.nsc.backend.icode.GenICode$ICodePhase.gen(GenICode.scala:67) at scala.tools.nsc.backend.icode.GenICode$ICodePhase.apply(GenICode.scala:63) at scala.tools.nsc.Global$GlobalPhase$$anonfun$applyPhase$1.apply$mcV$sp(Global.scala:440) at scala.tools.nsc.Global$GlobalPhase.withCurrentUnit(Global.scala:431) at scala.tools.nsc.Global$GlobalPhase.applyPhase(Global.scala:440) at scala.tools.nsc.Global$GlobalPhase$$anonfun$run$1.apply(Global.scala:398) at scala.tools.nsc.Global$GlobalPhase$$anonfun$run$1.apply(Global.scala:398) at scala.collection.Iterator$class.foreach(Iterator.scala:893) at scala.collection.AbstractIterator.foreach(Iterator.scala:1336) at scala.tools.nsc.Global$GlobalPhase.run(Global.scala:398) at scala.tools.nsc.backend.icode.GenICode$ICodePhase.run(GenICode.scala:55) at scala.tools.nsc.Global$Run.compileUnitsInternal(Global.scala:1501) at scala.tools.nsc.Global$Run.compileUnits(Global.scala:1486) at scala.tools.nsc.Global$Run.compileSources(Global.scala:1481) at scala.tools.nsc.Global$Run.compile(Global.scala:1582) at xsbt.CachedCompiler0.run(CompilerInterface.scala:116) at xsbt.CachedCompiler0.run(CompilerInterface.scala:95) at xsbt.CompilerInterface.run(CompilerInterface.scala:26) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at sbt.compiler.AnalyzingCompiler.call(AnalyzingCompiler.scala:101) at sbt.compiler.AnalyzingCompiler.compile(AnalyzingCompiler.scala:47) at sbt.compiler.AnalyzingCompiler.compile(AnalyzingCompiler.scala:41) at sbt.compiler.MixedAnalyzingCompiler$$anonfun$compileScala$1$1.apply$mcV$sp(MixedAnalyzingCompiler.scala:51) at sbt.compiler.MixedAnalyzingCompiler$$anonfun$compileScala$1$1.apply(MixedAnalyzingCompiler.scala:51) at sbt.compiler.MixedAnalyzingCompiler$$anonfun$compileScala$1$1.apply(MixedAnalyzingCompiler.scala:51) at sbt.compiler.MixedAnalyzingCompiler.timed(MixedAnalyzingCompiler.scala:75) at sbt.compiler.MixedAnalyzingCompiler.compileScala$1(MixedAnalyzingCompiler.scala:50) at sbt.compiler.MixedAnalyzingCompiler.compile(MixedAnalyzingCompiler.scala:65) 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:31) at sbt.inc.Incremental$$anonfun$1.apply(Incremental.scala:62) at sbt.inc.Incremental$$anonfun$1.apply(Incremental.scala:61) at sbt.inc.Incremental$.manageClassfiles(Incremental.scala:89) at sbt.inc.Incremental$.compile(Incremental.scala:61) at sbt.inc.IncrementalCompile$.apply(Compile.scala:54) at sbt.compiler.IC$.compileInternal(IncrementalCompiler.scala:160) at sbt.compiler.IC$.incrementalCompile(IncrementalCompiler.scala:138) at sbt.Compiler$.compile(Compiler.scala:128) at sbt.Compiler$.compile(Compiler.scala:114) at sbt.Defaults$.sbt$Defaults$$compileIncrementalTaskImpl(Defaults.scala:829) at sbt.Defaults$$anonfun$compileIncrementalTask$1.apply(Defaults.scala:820) at sbt.Defaults$$anonfun$compileIncrementalTask$1.apply(Defaults.scala:818) at scala.Function1$$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$$anonfun$apply$1.apply(Execute.scala:226) at sbt.Execute$$anonfun$submit$1$$anonfun$apply$1.apply(Execute.scala:226) at sbt.ErrorHandling$.wideConvert(ErrorHandling.scala:17) at sbt.Execute.work(Execute.scala:235) at sbt.Execute$$anonfun$submit$1.apply(Execute.scala:226) at sbt.Execute$$anonfun$submit$1.apply(Execute.scala:226) at sbt.ConcurrentRestrictions$$anon$4$$anonfun$1.apply(ConcurrentRestrictions.scala:159) at sbt.CompletionService$$anon$2.call(CompletionService.scala:28) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) [error] (compile:compileIncremental) scala.reflect.internal.FatalError: [error] symbol value #15064 does not exist in a.B.d, which contains locals . [error] Method code: def d(): scala.Unit = B.this.c().update(undefinedSymbol, scala.Int.box(scala.Int.unbox(B.this.c().apply(undefinedSymbol)).+(1))) [error] while compiling: /Users/james/Projects/naptest/src/main/scala/com/netaporter/main/Application.scala [error] during phase: icode [error] library version: version 2.11.8 [error] compiler version: version 2.11.8 [error] reconstructed args: -classpath /Users/james/Projects/naptest/target/scala-2.11/classes -bootclasspath /Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/lib/sunrsasign.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/classes:/Users/james/.ivy2/cache/org.scala-lang/scala-library/jars/scala-library-2.11.8.jar -uniqid [error] [error] last tree to typer: Ident(c) [error] tree position: line 3 of /Users/james/Projects/naptest/src/main/scala/com/netaporter/main/Application.scala [error] tree tpe: scala#27.collection#2758.mutable#5843.Map#8427 [error] symbol: value c#9773 [error] symbol definition: c#9773: scala#27.collection#2758.mutable#5843.Map#8427 (a TermSymbol) [error] symbol package: a [error] symbol owners: value c#9773 -> constructor B#8307 -> class B#8210 [error] call site: object B#8212 in package a#8209 in package a#8208 [error] [error] == Source file context for tree position == [error] [error] 0 package a [error] 1 [error] 2 case class B(c: collection.mutable.Map[Int, Int]) { [error] 3 def d(): Unit = c(undefinedSymbol) += 1 [error] 4 } [error] Total time: 4 s, completed 17-May-2016 22:10:02