8196969: JTreg Failure: serviceability/sa/ClhsdbJstack.java causes NPE

[kvergizova]

I'd like to backport 8196969 to 13u for parity with 11u.
The patch applies cleanly.
Tested with tier1; new test fails without the patch, passes with it.

---

Progress

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

Issue

• JDK-8196969: JTreg Failure: serviceability/sa/ClhsdbJstack.java causes NPE

Download

$ git fetch https://git.openjdk.java.net/jdk13u-dev pull/113/head:pull/113
$ git checkout pull/113

[bridgekeeper]

👋 Welcome back evergizova! 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]

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

[openjdk]

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

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

8196969: JTreg Failure: serviceability/sa/ClhsdbJstack.java causes NPE

Account for serialized null scopes in NMethod

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 2 new commits pushed to the master branch:

• bb3bbd0: 8259048: (tz) Upgrade time-zone data to tzdata2020f
• f7aa8b5: 8243925: Toolkit#getScreenInsets() returns wrong value on HiDPI screens (Windows)

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.

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[mlbridge]

Webrevs

• 00: Full (526b03d)

[kvergizova]

/integrate

[openjdk]

@kvergizova
Your change (at version 526b03d) is now ready to be sponsored by a Committer.

[yan-too]

/sponsor

[openjdk]

@yan-too @kvergizova Since your change was applied there have been 2 commits pushed to the master branch:

• bb3bbd0: 8259048: (tz) Upgrade time-zone data to tzdata2020f
• f7aa8b5: 8243925: Toolkit#getScreenInsets() returns wrong value on HiDPI screens (Windows)

Your commit was automatically rebased without conflicts.

Pushed as commit 962ff98.

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