Hi all, This PR make 2 changes which make test more rubustness:
1. Add max 10 times tries which removed by JDK-8342659, this will make test more steady after JDK-8373945. 2. test/hotspot/jtreg/vmTestbase/nsk/jvmti/scenarios/events/EM02/em02t003.java try to invoke thread and do not wailt the thread run finish unload the class immediately. This PR wait util the thread is non alive, and wait more 2 senonds to make sure the thread exit completely. This will make test more robustness, before this PR vmTestbase/nsk/jvmti/scenarios/events/EM02/em02t003/TestDescription.java fails probability 1/50, after this PR test run all passed 10k times. Additional testing: - [ ] All tests touched test by JDK-8373945 ------------- Commit messages: - 8375485: Tests in vmTestbase/nsk are failing due to missing class unloading after JDK-8373945 Changes: https://git.openjdk.org/jdk/pull/29285/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=29285&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8375485 Stats: 21 lines in 2 files changed: 20 ins; 0 del; 1 mod Patch: https://git.openjdk.org/jdk/pull/29285.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/29285/head:pull/29285 PR: https://git.openjdk.org/jdk/pull/29285
