> The problem is RedefineClasses does not update cached_class_bytes, so > subsequent RetransformClasses gets obsolete class bytes (this are testcases > 3-6 from the new test) > > cached_class_bytes are set when an agent instruments the class from > ClassFileLoadHook. > After successful RedefineClasses it should be reset. > The fix updates ClassFileLoadHook caller to not use old cached_class_bytes > with RedefineClasses (if some agent instruments the class, new > cached_class_bytes are allocated for scratch_class) and updates > cached_class_bytes after successful RedefineClasses or RetransformClasses.
Alex Menkov has updated the pull request incrementally with one additional commit since the last revision: Fixed compilation error on linux ------------- Changes: - all: https://git.openjdk.org/jdk/pull/10032/files - new: https://git.openjdk.org/jdk/pull/10032/files/d853f23f..36c4ba60 Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=10032&range=06 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=10032&range=05-06 Stats: 4 lines in 1 file changed: 2 ins; 2 del; 0 mod Patch: https://git.openjdk.org/jdk/pull/10032.diff Fetch: git fetch https://git.openjdk.org/jdk pull/10032/head:pull/10032 PR: https://git.openjdk.org/jdk/pull/10032