[jdk25u] Integrated: 8364257: JFR: User-defined events and settings with a one-letter name cannot be configured

[Rui Li]

On Fri, 5 Sep 2025 00:44:28 GMT, Rui Li <duke at openjdk.org> wrote:

> A clean backport for https://bugs.openjdk.org/browse/JDK-8364257
> 
> This fixes a bug where a single letter name jfr event couldn't be configured. On tip for about one month. The test `test/jdk/jdk/jfr/api/flightrecorder/TestSettingsControl.java` passed locally. Other tests are running. Relatively low risk.

This pull request has now been integrated.

Changeset: cadbc36a
Author:    Rui Li <ruiamzn at amazon.com>
Committer: Victor Rudometov <vrudomet at openjdk.org>
URL:       https://git.openjdk.org/jdk25u/commit/cadbc36a54c62aedb84dd6c042f6f68e9ca61502
Stats:     10 lines in 2 files changed: 4 ins; 0 del; 6 mod

8364257: JFR: User-defined events and settings with a one-letter name cannot be configured

Backport-of: ea7e943874288e1cbea10a6bd82d6c7f2a1c9ae0

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PR: https://git.openjdk.org/jdk25u/pull/171