[jdk21u-dev] RFR: 8375999: com/sun/jndi/ldap/LdapPoolTimeoutTest.java fails sporadically on Windows [v2]

[Roland Mesde]

> Backporting JDK-8375999: com/sun/jndi/ldap/LdapPoolTimeoutTest.java fails sporadically on Windows.
> 
> This PR fixes sporadic LdapPoolTimeoutTest.java failures on Windows by restoring a Windows-specific exception message that was accidentally removed in https://bugs.openjdk.org/browse/JDK-8287062, which in turn was added for parity with Oracle JDK. Already backported to 25.
> 
> Ran related tests on linux-x64, linux-aarch64, macos-aarch64 and windows-x64:
> 
> make test TEST=test/jdk/com/sun/jndi/ldap/LdapPoolTimeoutTest.java
> 
> Results attached:
> 
> [windows-x64-specific-test.log](https://github.com/user-attachments/files/25549900/windows-x64-specific-test.log)
> [macos-aarch64-specific-test.log](https://github.com/user-attachments/files/25549901/macos-aarch64-specific-test.log)
> [linux-x64-specific-test.log](https://github.com/user-attachments/files/25549902/linux-x64-specific-test.log)
> [linux-aarch64-specific-test.log](https://github.com/user-attachments/files/25549903/linux-aarch64-specific-test.log)

Roland Mesde has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase.

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Changes:
  - all: https://git.openjdk.org/jdk21u-dev/pull/2635/files
  - new: https://git.openjdk.org/jdk21u-dev/pull/2635/files/73f7faad..73f7faad

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2635&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2635&range=00-01

  Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2635.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2635/head:pull/2635

PR: https://git.openjdk.org/jdk21u-dev/pull/2635