8223737: HostsFileNameService doesn't handle IPv6 literal addresses correctly

[amosshi]

Backport of JDK-8223737, dependency of JDK-8314517

Testing

• Local: Test passed on MacOS 14.4.1
  • InternalNameServiceWithHostsFileTest.java: Test results: passed: 1
• Pipeline: All checks have passed
• Testing Machine: SAP nightlies passed on 2024-04-27
  • Automated jtreg test: jtreg_jdk_tier2
  • java/net/InetAddress/InternalNameServiceWithHostsFileTest.java: SUCCESSFUL GitHub 📊⏲ - [2,513 msec]

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8223737 needs maintainer approval

Issue

• JDK-8223737: HostsFileNameService doesn't handle IPv6 literal addresses correctly (Sub-task - P4)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk11u-dev.git pull/2683/head:pull/2683
$ git checkout pull/2683

Update a local copy of the PR:
$ git checkout pull/2683
$ git pull https://git.openjdk.org/jdk11u-dev.git pull/2683/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 2683

View PR using the GUI difftool:
$ git pr show -t 2683

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk11u-dev/pull/2683.diff

Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back ashi! 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 change is not yet ready to be integrated.
See the Progress checklist in the description for automated requirements.

[openjdk]

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

[openjdk]

⚠️ @amosshi 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.

[mlbridge]

Webrevs

• 00: Full (ffc36bec)

[amosshi]

/approval request "Clean backport. SAP nightlies passed on 2024-04-27. Tested passed in local machine MacOS 14.4.1”

[openjdk]

@amosshi
8223737: The approval request has been created successfully.

[bridgekeeper]

@amosshi This pull request has been inactive for more than 4 weeks and will be automatically closed if another 4 weeks passes without any activity. To avoid this, simply add a new comment to the pull request. Feel free to ask for assistance if you need help with progressing this pull request towards integration!

[amosshi]

This PR is for JDK-8223737, which is a real JDK code change
It is the dependency of JDK-8314517, which is a test case backport

So add this real JDK change to OpenJDK 11 for a test case is not a good idea, if the JDK-8223737 itself is not required.

We will close this PR.