8236582: (fc) FileChannel.map fails with InternalError when security manager enabled

[Alan Bateman]

On 07/01/2020 15:44, Brian Burkhalter wrote:
> This issue [1] is caused by using privateLookupIn() outside a privileged block. The patch [2] fixes this. The added test fails without the source patch but passes with it.
>
Thanks for picking this up, it's a small regression from JEP 352. The 
change to ExtendedMapMode looks good. I think the test should be in the 
FileChannel directory with the other tests for FileChannel.map. The test 
should close the FileChannel (try-with-resources should be best here).

-Alan