[jdk8u-dev] RFR: 8305931: jdk/jfr/jcmd/TestJcmdDumpPathToGCRoots.java failed with "Expected chains but found none" [v2]

[duke]

On Tue, 4 Jun 2024 18:27:14 GMT, Robert Toyonaga <duke at openjdk.org> wrote:

>> This is a backport of https://github.com/openjdk/jdk/commit/65be5e0c547d74ca7de288b164aa9bd6d6855685
>> 
>> This change to JFR test code is needed because TestJcmdDumpPathToGCRoots transiently fails because it can't guarantee the expected objects are sampled. The change improves cleanups between checks and also adds retries.
>> 
>> This should help resolve some test failures for Adoptium (see https://github.com/adoptium/aqa-tests/issues/2766)
>> 
>> Testing: the updated test/jdk/jdk/jfr/jcmd/TestJcmdDumpPathToGCRoots.java test passes.
>
> Robert Toyonaga has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:
> 
>  - Merge branch 'master' of github.com:openjdk/jdk8u-dev into TestJcmdDumpPathToGCRoots-backport-8u-dev
>  - Backport 65be5e0c547d74ca7de288b164aa9bd6d6855685

@roberttoyonaga 
Your change (at version 95c8f1f231e85a76fc06d8721ba94903675c479c) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/jdk8u-dev/pull/490#issuecomment-2218054193