[jdk11u-dev] RFR: 8369226: GHA: Switch to MacOS 15

[Severin Gehwolf]

On Wed, 12 Nov 2025 19:12:31 GMT, Antonio Vieiro <avieiro at openjdk.org> wrote:

> One JDWP test failed when using a `*.local` address for JDWP:
> 
> ` -Xrunjdwp:transport=dt_socket,address=Mac-1762967583261.local:49212`
> 
> With:
> 
> ```
> 2025-11-12T17:27:03.7710510Z ERROR: transport error 202: getaddrinfo: unknown host
> 2025-11-12T17:27:03.7742510Z ERROR: JDWP Transport dt_socket failed to initialize, TRANSPORT_INIT(510)
> 2025-11-12T17:27:03.7762640Z JDWP exit error AGENT_ERROR_TRANSPORT_INIT(197): No transports initialized [src/jdk.jdwp.agent/share/native/libjdwp/debugInit.c:745]
> ```
> 
> This is nothing new. `macos-13` GHA runners were also unable to resolve `*.local` addresses using `getaddrinfo` (see [this issue](https://github.com/actions/runner-images/issues/8649), [or this reproducer](https://github.com/vieiro/gha-macos-resolve-hostname) ) and the problem may be also happening in `macos-15-intel` GHA runners. I'll try to reproduce and file a new issue.

I think we should consider with the work-around proposed in:
https://github.com/openjdk/jdk11u-dev/pull/2861/

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PR Comment: https://git.openjdk.org/jdk11u-dev/pull/3117#issuecomment-3527110613