Integrated: 8349705: java.net.URI.scanIPv4Address throws unnecessary URISyntaxException

[Xiaolong Peng]

On Mon, 10 Feb 2025 08:47:36 GMT, Xiaolong Peng <xpeng at openjdk.org> wrote:

> java.net.URI.scanIPv4Address is a private method, it is only called by java.net.URI.takeIPv4Address and java.net.URI.parseIPv4Address, the URISyntaxException("Malformed IPv4 address") is not necessary, returning -1 should be good. In one of our systems, we noticed the exception consumes ~0.3% CPU.
> 
> Additional test:
> - [x] make test TEST=jdk/java/net
> - [x] all tier2 tests(except DirectIOTest.java which is a [known issue](https://bugs.openjdk.org/browse/JDK-8333783))

This pull request has now been integrated.

Changeset: a90f323d
Author:    Xiaolong Peng <xpeng at openjdk.org>
Committer: SendaoYan <syan at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/a90f323d05f1c90767823b8729b124de0bead265
Stats:     6 lines in 1 file changed: 4 ins; 0 del; 2 mod

8349705: java.net.URI.scanIPv4Address throws unnecessary URISyntaxException

Reviewed-by: dfuchs

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PR: https://git.openjdk.org/jdk/pull/23538