8268294: Reusing HttpClient in a WebSocket.Listener hangs.

[akashche]

Clean backport of the WebSocket fix.

Additiona testing:

• checked that jtreg:jdk/java/net/httpclient/websocket/java.net.http/ tests pass with the patch; these updated tests are not runnable without the patch due to MessageEncoder internal API change

---

Progress

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

Issue

• JDK-8268294: Reusing HttpClient in a WebSocket.Listener hangs.

Reviewing

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Checkout this PR locally:
$ git fetch https://git.openjdk.java.net/jdk17u pull/246/head:pull/246
$ git checkout pull/246

Update a local copy of the PR:
$ git checkout pull/246
$ git pull https://git.openjdk.java.net/jdk17u pull/246/head

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$ git pr checkout 246

View PR using the GUI difftool:
$ git pr show -t 246

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Download this PR as a diff file:
https://git.openjdk.java.net/jdk17u/pull/246.diff

[bridgekeeper]

👋 Welcome back akasko! 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]

@akashche 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:

8268294: Reusing HttpClient in a WebSocket.Listener hangs.

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[mlbridge]

Webrevs

• 00: Full (4585bbfa)

[akashche]

/integrate

[openjdk]

Going to push as commit 24c7fe3.
Since your change was applied there have been 8 commits pushed to the master branch:

• b2f4dff: 8269481: SctpMultiChannel never releases own file descriptor
• c3de885: 8273416: C2: assert(false) failed: bad AD file after JDK-8252372 with UseSSE={0,1}
• ff4f533: 8274560: JFR: Add test for OldObjectSample event when using Shenandoah
• 23b4496: 8268927: Windows: link error: unresolved external symbol "int __cdecl convert_to_unicode(char const *,wchar_t * *)"
• a1036ef: 8274606: Fix jaxp/javax/xml/jaxp/unittest/transform/SurrogateTest.java test
• 193c7f1: 8274501: c2i entry barriers read int as long on AArch64
• 3e349b4: 8276025: Hotspot's libsvml.so may conflict with user dependency
• 58a6dae: 8275872: Sync J2DBench run and analyze Makefile targets with build.xml

Your commit was automatically rebased without conflicts.

[openjdk]

@akashche Pushed as commit 24c7fe3.

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