8275809: crash in [CommonComponentAccessibility getCAccessible:withEnv:]

[forantar]

A fix for a crash on accessing a weak JNI global ref.

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8275809: crash in [CommonComponentAccessibility getCAccessible:withEnv:]

Reviewers

• Alexander Zuev (@azuev-java - Reviewer)
• pbansal - no project role ⚠️ Added manually

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.java.net/jdk17u pull/299/head:pull/299
$ git checkout pull/299

Update a local copy of the PR:
$ git checkout pull/299
$ git pull https://git.openjdk.java.net/jdk17u pull/299/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 299

View PR using the GUI difftool:
$ git pr show -t 299

Using diff file

Download this PR as a diff file:
https://git.openjdk.java.net/jdk17u/pull/299.diff

[bridgekeeper]

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[openjdk]

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

[openjdk]

@forantar 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:

8275809: crash in [CommonComponentAccessibility getCAccessible:withEnv:]

Reviewed-by: kizune, pbansal
Backport-of: 7c88a59b7bca50061f120a1cf2c1d4457a1d741b

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 10 new commits pushed to the master branch:

• 63981ab: 8275819: [TableRowAccessibility accessibilityChildren] method is ineffective
• 57e6e61: 8264293: Create implementation for NSAccessibilityMenu protocol peer
• 8571633: 8277093: Vector should throw ClassNotFoundException for a missing class of an element
• ed45df2: 8277212: GC accidentally cleans valid megamorphic vtable inline caches
• c47e233: 8140241: (fc) Data transfer from FileChannel to itself causes hang in case of overlap
• 9be7550: 8272095: ProblemList java/nio/channels/FileChannel/Transfer2GPlus.java on linux-aarch64
• d2d734c: 8276927: [ppc64] Port shenandoahgc to linux on ppc64le
• dc7216a: 8275811: Incorrect instance to dispose
• 6f2bdc0: 8274736: Concurrent read/close of SSLSockets causes SSLSessions to be invalidated unnecessarily
• d998761: 8276139: TestJpsHostName.java not reliable, better to expand HostIdentifierCreate.java test

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.

[mlbridge]

Webrevs

• 00: Full (6e1994da)

[forantar]

/reviewer credit @azuev-java @pankaj-bansal

[openjdk]

@forantar
Reviewer kizune successfully credited.

Reviewer pbansal successfully credited.

[forantar]

/integrate

[openjdk]

Going to push as commit f1d9e37.
Since your change was applied there have been 10 commits pushed to the master branch:

• 63981ab: 8275819: [TableRowAccessibility accessibilityChildren] method is ineffective
• 57e6e61: 8264293: Create implementation for NSAccessibilityMenu protocol peer
• 8571633: 8277093: Vector should throw ClassNotFoundException for a missing class of an element
• ed45df2: 8277212: GC accidentally cleans valid megamorphic vtable inline caches
• c47e233: 8140241: (fc) Data transfer from FileChannel to itself causes hang in case of overlap
• 9be7550: 8272095: ProblemList java/nio/channels/FileChannel/Transfer2GPlus.java on linux-aarch64
• d2d734c: 8276927: [ppc64] Port shenandoahgc to linux on ppc64le
• dc7216a: 8275811: Incorrect instance to dispose
• 6f2bdc0: 8274736: Concurrent read/close of SSLSockets causes SSLSessions to be invalidated unnecessarily
• d998761: 8276139: TestJpsHostName.java not reliable, better to expand HostIdentifierCreate.java test

Your commit was automatically rebased without conflicts.

[openjdk]

@forantar Pushed as commit f1d9e37.

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