8316193: jdk/jfr/event/oldobject/TestListenerLeak.java java.lang.Exception: Could not find leak

[cost0much]

Clean backport. Improves jdk/jfr/event/oldobject/TestListenerLeak test making it more robust. Passes tier1 tests on linux x64 and the test itself.

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8316193 needs maintainer approval

Issue

• JDK-8316193: jdk/jfr/event/oldobject/TestListenerLeak.java java.lang.Exception: Could not find leak (Bug - P4 - Approved)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk21u-dev.git pull/918/head:pull/918
$ git checkout pull/918

Update a local copy of the PR:
$ git checkout pull/918
$ git pull https://git.openjdk.org/jdk21u-dev.git pull/918/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 918

View PR using the GUI difftool:
$ git pr show -t 918

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk21u-dev/pull/918.diff

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[bridgekeeper]

👋 Welcome back cost0much! 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]

@cost0much This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

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

8316193: jdk/jfr/event/oldobject/TestListenerLeak.java java.lang.Exception: Could not find leak

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 27 new commits pushed to the master branch:

• b8038ea: 8335743: jhsdb jstack cannot print some information on the waiting thread
• e79f9b4: 8323196: jdk/jfr/api/consumer/filestream/TestOrdered.java failed with "Events are not ordered! Reuse = false"
• 24f453c: 8333149: ubsan : memset on nullptr target detected in jvmtiEnvBase.cpp get_object_monitor_usage
• dc8365c: 8333088: ubsan: shenandoahAdaptiveHeuristics.cpp:245:44: runtime error: division by zero
• fa8ef0f: 8333354: ubsan: frame.inline.hpp:91:25: and src/hotspot/share/runtime/frame.inline.hpp:88:29: runtime error: member call on null pointer of type 'const struct SmallRegisterMap'
• d5b8ea8: 8330981: ZGC: Should not dedup strings in the finalizer graph
• 38eeb50: 8335007: Inline OopMapCache table
• affb895: 8336926: jdk/internal/util/ReferencedKeyTest.java can fail with ConcurrentModificationException
• 846962d: 8334078: RISC-V: TestIntVect.java fails after JDK-8332153 when running without RVV
• cd5ac19: 8299813: java/nio/channels/DatagramChannel/Disconnect.java fails with jtreg test timeout due to lost datagram
• ... and 17 more: https://git.openjdk.org/jdk21u-dev/compare/d4a6e72a22cf8cee91dc9553454dd62fe0547b85...master

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.

As you do not have Committer status in this project an existing Committer must agree to sponsor your change.

➡️ To flag this PR as ready for integration with the above commit message, type /integrate in a new comment. (Afterwards, your sponsor types /sponsor in a new comment to perform the integration).

[openjdk]

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

[openjdk]

⚠️ @cost0much 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.

[cost0much]

/approval request Improves the test added by JDK-8316193 in JDK 22. Applies cleanly. Affected test
passes. Risk is low: the change is test code only.

[openjdk]

@cost0much
8316193: The approval request has been created successfully.

[mlbridge]

Webrevs

• 00: Full (71f2cddd)

[cost0much]

/integrate

[openjdk]

@cost0much
Your change (at version 71f2cdd) is now ready to be sponsored by a Committer.

[benty-amzn]

/sponsor

[openjdk]

Going to push as commit 4f28612.
Since your change was applied there have been 27 commits pushed to the master branch:

• b8038ea: 8335743: jhsdb jstack cannot print some information on the waiting thread
• e79f9b4: 8323196: jdk/jfr/api/consumer/filestream/TestOrdered.java failed with "Events are not ordered! Reuse = false"
• 24f453c: 8333149: ubsan : memset on nullptr target detected in jvmtiEnvBase.cpp get_object_monitor_usage
• dc8365c: 8333088: ubsan: shenandoahAdaptiveHeuristics.cpp:245:44: runtime error: division by zero
• fa8ef0f: 8333354: ubsan: frame.inline.hpp:91:25: and src/hotspot/share/runtime/frame.inline.hpp:88:29: runtime error: member call on null pointer of type 'const struct SmallRegisterMap'
• d5b8ea8: 8330981: ZGC: Should not dedup strings in the finalizer graph
• 38eeb50: 8335007: Inline OopMapCache table
• affb895: 8336926: jdk/internal/util/ReferencedKeyTest.java can fail with ConcurrentModificationException
• 846962d: 8334078: RISC-V: TestIntVect.java fails after JDK-8332153 when running without RVV
• cd5ac19: 8299813: java/nio/channels/DatagramChannel/Disconnect.java fails with jtreg test timeout due to lost datagram
• ... and 17 more: https://git.openjdk.org/jdk21u-dev/compare/d4a6e72a22cf8cee91dc9553454dd62fe0547b85...master

Your commit was automatically rebased without conflicts.

[openjdk]

@benty-amzn @cost0much Pushed as commit 4f28612.

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