8282628: Potential memory leak in sun.font.FontConfigManager.getFontConfig()

[zhengyu123]

A clean backport to fix a memory leak.

---

Progress

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Issue

• JDK-8282628: Potential memory leak in sun.font.FontConfigManager.getFontConfig()

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.java.net/jdk17u-dev pull/288/head:pull/288
$ git checkout pull/288

Update a local copy of the PR:
$ git checkout pull/288
$ git pull https://git.openjdk.java.net/jdk17u-dev pull/288/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 288

View PR using the GUI difftool:
$ git pr show -t 288

Using diff file

Download this PR as a diff file:
https://git.openjdk.java.net/jdk17u-dev/pull/288.diff

[bridgekeeper]

👋 Welcome back zgu! 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 from the original commit.

[openjdk]

@zhengyu123 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:

8282628: Potential memory leak in sun.font.FontConfigManager.getFontConfig()

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[mlbridge]

Webrevs

• 00: Full (9785e24f)

[zhengyu123]

/integrate

[openjdk]

Going to push as commit ac41711.
Since your change was applied there have been 43 commits pushed to the master branch:

• ab2f61e: 8283497: [windows] print TMP and TEMP in hs_err and VM.info
• 06c955a: 8283249: CompressedClassPointers.java fails on ppc with 'Narrow klass shift: 0' missing
• 25f2a52: 8281450: Remove unnecessary operator new and delete from ObjectMonitor
• 1007ded: 8280941: os::print_memory_mappings() prints segment preceeding the inclusion range
• 0bb751b: 8280004: DCmdArgument::parse_value() should handle NULL input
• 2875e18: 8273142: Remove dependancy of TestHttpServer, HttpTransaction, HttpCallback from open/test/jdk/sun/net/www/protocol/http/ tests
• 6976bb4: 8256368: Avoid repeated upcalls into Java to re-resolve MH/VH linkers/invokers
• 2c79c33: 8282590: C2: assert(addp->is_AddP() && addp->outcnt() > 0) failed: Don't process dead nodes
• 2aa1fe0: 8283641: Large value for CompileThresholdScaling causes assert
• b9089e7: 8283451: C2: assert(_base == Long) failed: Not a Long
• ... and 33 more: https://git.openjdk.java.net/jdk17u-dev/compare/86ac4ab1d6aa72f75ecaa3d9d842d971e59a9a8b...master

Your commit was automatically rebased without conflicts.

[openjdk]

@zhengyu123 Pushed as commit ac41711.

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