RFR: 8340383: VM issues warning failure to find kernel32.dll on Windows nanoserver

[Martijn Verburg]

On Wed, 18 Sep 2024 16:57:00 GMT, George Adams <gdams at openjdk.org> wrote:

> On Windows Nanoserver the `kernel32.dll` is not within the System32 directory itself but within the "forwarders" sub-folder.
> 
> See a similar bug reported in dotnet a while back: https://github.com/dotnet/sdk/issues/6056

detection logic extraction

src/hotspot/os/windows/os_windows.cpp line 4112:

> 4110:   strncat(kernel32_path, "\\kernel32.dll", MAX_PATH - ret);
> 4111:   // On Windows Nanoserver the kernel32.dll is located in the forwarders subdirectory
> 4112:   if (!os::file_exists(kernel32_path)) {

Should this detection logic be extracted for other scenarios wher we need to special case nano?

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PR Review: https://git.openjdk.org/jdk/pull/21070#pullrequestreview-2313655147
PR Review Comment: https://git.openjdk.org/jdk/pull/21070#discussion_r1765634764