> The old core reflection implementation generates dynamic classes that are > special cases in the VM to bypass bytecode verification to workaround various > issues [1] [2] [3]. > > The old core reflection implementation was [removed in JDK > 22](https://bugs.openjdk.org/browse/JDK-8305104). It's time to remove these > VM hacks along with the old implementation of > `sun.reflect.ReflectionFactory::newConstructorForSerialization`. > > After this change, `jdk.internal.reflect.DelegatingClassLoader` no longer > exists. Hence the special metaspace for reflection is no longer needed. > GTests will need to be updated when `Metaspace::ReflectionMetaspaceType` is > removed. Such clean up can be done separately (JDK-8342561). > > [1] [JDK-4486457](https://bugs.openjdk.org/browse/JDK-4486457) > [2] [JDK-4474172](https://bugs.openjdk.org/browse/JDK-4474172) > [3] [JDK-6790209](https://bugs.openjdk.org/browse/JDK-6790209)
Mandy Chung has updated the pull request incrementally with one additional commit since the last revision: Remove unused classes ------------- Changes: - all: https://git.openjdk.org/jdk/pull/21571/files - new: https://git.openjdk.org/jdk/pull/21571/files/4753637c..245cfb6f Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=21571&range=01 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=21571&range=00-01 Stats: 1836 lines in 11 files changed: 0 ins; 1832 del; 4 mod Patch: https://git.openjdk.org/jdk/pull/21571.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/21571/head:pull/21571 PR: https://git.openjdk.org/jdk/pull/21571
