toRealPath throws InternalError: Should not get here on Windows (paths with junctions)

[Alan Bateman]

On 15/03/2016 11:19, Dawid Weiss wrote:
> I couldn't find an appropriate bug in bugzilla, but this fails
> reliably for me with Java 8 and 9 on Windows 10, 64-bit:
>
> mkdir foo
> mklink /J bar foo
> cd bar
> java -cp Test .
>
> where Test.java is as simple as:
>
> import java.io.*;
> import java.nio.file.*;
>
> public class Test {
>    public static void main(String[] args) throws Exception {
>      System.out.println("p.toRealPath(): " + Paths.get(args[0]).toRealPath());
>    }
> }
>
> The thrown error shows:
>
> Exception in thread "main" java.lang.InternalError: Should not get here
>          at sun.nio.fs.WindowsNativeDispatcher.GetFinalPathNameByHandle(Native
> Method)
There are a number of win32 functions that this code uses GetProcAddress 
to get their address in kernel32. This dates back to when we had to 
support Windows XP. This should be cleaned up now. Doesn't explain why 
you are seeing though, can you submit a bug?

-Alan