On Tue, 5 Aug 2025 21:17:36 GMT, Phil Race <p...@openjdk.org> wrote: > This PR removes javax/imageio/stream/ImageInputStreamImpl.finalize() > As a result, sub-classes which over-ride it to be empty no longer need to do > so. > Also it means that the 2 remaining classes which used it no longer can. > FileCacheImageOutputStream will have its cache cleaned up by a disposer. > The impact on applications is that they, or the ImageWriter may need to call > flush() IF they relied on finalization. > However that should be extremely unlikely given that finalization will happen > far too late in most cases, and is > really meant to clean up internal resources. > The JDK's GIF and TIFF image writers don't flush themselves, so applications > which use these together with one of these caching streams would have learned > this already. > > The principal outside risk is to 3rd party ImageIO stream subclasses which > both allocate native resources and rely on finalization as a backstop clean > up in case applications forget to call close. But it will be the applications > that are affected if the resource is depleted. > The risks of this will be covered in the CSR. > > There's also a lengthy write up in the JBS issue.
This pull request has now been integrated. Changeset: 0858743d Author: Phil Race <p...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/0858743deed6b4fa2329983c7911d9f56f875b8e Stats: 251 lines in 10 files changed: 37 ins; 203 del; 11 mod 8277585: Remove the terminally deprecated finalize() method from javax.imageio.stream APIs Reviewed-by: achung, azvegint, serb ------------- PR: https://git.openjdk.org/jdk/pull/26650
