8323670: A few client tests intermittently throw ConcurrentModificationException

[TheRealMDoerr]

Backport of JDK-8323670. Applies cleanly except Copyright year update.

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8323670 needs maintainer approval

Issue

• JDK-8323670: A few client tests intermittently throw ConcurrentModificationException (Bug - P4 - Approved)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk11u-dev.git pull/2766/head:pull/2766
$ git checkout pull/2766

Update a local copy of the PR:
$ git checkout pull/2766
$ git pull https://git.openjdk.org/jdk11u-dev.git pull/2766/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 2766

View PR using the GUI difftool:
$ git pr show -t 2766

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk11u-dev/pull/2766.diff

Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back mdoerr! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

@TheRealMDoerr This change now passes all automated pre-integration checks.

After integration, the commit message for the final commit will be:

8323670: A few client tests intermittently throw ConcurrentModificationException

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 4 new commits pushed to the master branch:

• 5dddf69: 8279164: Disable TLS_ECDH_* cipher suites
• be6c621: 8305072: Win32ShellFolder2.compareTo is inconsistent
• 9a2a828: 8315437: Enable parallelism in vmTestbase/nsk/monitoring/stress/classload tests
• 46b15b9: 8315442: Enable parallelism in vmTestbase/nsk/monitoring/stress/thread tests

Please see this link for an up-to-date comparison between the source branch of this pull request and the master branch.
As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[openjdk]

This backport pull request has now been updated with issue from the original commit.

[openjdk]

⚠️ @TheRealMDoerr This change is now ready for you to apply for maintainer approval. This can be done directly in each associated issue or by using the /approval command.

[mlbridge]

Webrevs

• 00: Full (5199dcfe)

[TheRealMDoerr]

/approval request Should get backported for parity with 11.0.25-oracle. Recognized as clean backport and tier 1-4 have passed.

[openjdk]

@TheRealMDoerr
8323670: The approval request has been created successfully.

[TheRealMDoerr]

/integrate

[openjdk]

Going to push as commit dff2d60.
Since your change was applied there have been 4 commits pushed to the master branch:

• 5dddf69: 8279164: Disable TLS_ECDH_* cipher suites
• be6c621: 8305072: Win32ShellFolder2.compareTo is inconsistent
• 9a2a828: 8315437: Enable parallelism in vmTestbase/nsk/monitoring/stress/classload tests
• 46b15b9: 8315442: Enable parallelism in vmTestbase/nsk/monitoring/stress/thread tests

Your commit was automatically rebased without conflicts.

[openjdk]

@TheRealMDoerr Pushed as commit dff2d60.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.