On Wed, 6 Jan 2021 16:10:12 GMT, Maurizio Cimadamore <mcimadam...@openjdk.org> wrote:
> This patch tweaks `MemorySegment::mapFile` so that it will throw > `IllegalArgumentException` whenever the path to be mapped is associated with > a custom file system provider. > > The check in the implementation is heavily borrowed by what > `UnixDomainSocketAddress::of(Path)` does (thanks Alan for the tip!). Not only > we have to check if file system is the default one, but also if the default > FS belongs to java.base (since that can be overridden). > > The test simply check that paths coming from the (internal) JRT file system > are not supported by the factory. This pull request has now been integrated. Changeset: d60a937e Author: Maurizio Cimadamore <mcimadam...@openjdk.org> URL: https://git.openjdk.java.net/jdk16/commit/d60a937e Stats: 20 lines in 3 files changed: 14 ins; 1 del; 5 mod 8259028: ClassCastException when using custom filesystem with wrapper FileChannel impl Reviewed-by: chegar, alanb, uschindler ------------- PR: https://git.openjdk.java.net/jdk16/pull/90
