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  1. JDK
  2. JDK-8218030

Weird generics & abstract classes drive javac into StackOverflowError

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    • x86_64
    • generic

      ADDITIONAL SYSTEM INFORMATION :
      $ java -version
      java version "1.8.0_162"
      Java(TM) SE Runtime Environment (build 1.8.0_162-b12)
      Java HotSpot(TM) 64-Bit Server VM (build 25.162-b12, mixed mode)


      A DESCRIPTION OF THE PROBLEM :
      The classes given in the steps below cause a StackOverflowError.
      This is the minimal example, reducing it further makes the StackOverflowError disappear.
      It does not matter whether the classes are in one or in multiple files.

      STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
      Run the test case code through javac.

      EXPECTED VERSUS ACTUAL BEHAVIOR :
      EXPECTED -
      Compiler should either generate class files, or report an error.
      ACTUAL -
      $ javac Fail.java


      The system is out of resources.
      Consult the following stack trace for details.
      java.lang.StackOverflowError
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4395)
              at com.sun.tools.javac.code.Type$ClassType.accept(Type.java:786)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4442)
              at com.sun.tools.javac.code.Types$Rewriter.visitTypeVar(Types.java:4395)
              at com.sun.tools.javac.code.Type$TypeVar.accept(Type.java:1299)
              at com.sun.tools.javac.code.Types$UnaryVisitor.visit(Types.java:4652)
              at com.sun.tools.javac.code.Types$Rewriter.visitClassType(Types.java:4410)


      ---------- BEGIN SOURCE ----------
      class Fails<T extends AbstractA<C>, C extends AbstractB<T>> {
          private void fail(AbstractX<T, C> owner) {
              if (owner instanceof X) {
              }
          }
      }

      abstract class AbstractA<T extends AbstractB> { }
      class A extends AbstractA<B> { }

      abstract class AbstractB<T extends AbstractA> { }
      class B extends AbstractB<A> { }

      abstract class AbstractX<I extends AbstractA, T extends AbstractB> { }
      class X extends AbstractX<A, B> { }
      ---------- END SOURCE ----------

      CUSTOMER SUBMITTED WORKAROUND :
      Change something minimally (e.g. remove a generic declaration).
      In real life, revert the change that caused the StackOverflowError.

      FREQUENCY : always


            pmangal Priyanka Mangal (Inactive)
            webbuggrp Webbug Group
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              Created:
              Updated:
              Resolved: