A DESCRIPTION OF THE PROBLEM :
with java update cpuapr2022 (8u331 11.0.15 and 18.0.1) undertow is broken for windows.

this code:
https://github.com/xnio/xnio/blob/3.x/api/src/main/java/org/xnio/channels/Channels.java#L1098
return new FileOutputStream("NUL:").getChannel();
 

is broken after this "improvement" (ticket JDK-8278356 is not public, why?)
https://github.com/openjdk/jdk/commit/395bb5b7f97f2549da89641257fe56712856b49d "8278356: Improve file creation"

2022-04-21 11:06:26,989 [XNIO-10 task-10] {} ERROR io.undertow.request.io UT005090: Unexpected failure
java.lang.NoClassDefFoundError: Could not initialize class org.xnio.channels.Channels

REGRESSION : Last worked in version 8

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
run test program below.




EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
No Exception.

ACTUAL -
 Exception in thread "main" java.io.FileNotFoundException: Invalid file path

---------- BEGIN SOURCE ----------
import java.io.FileOutputStream;

public class NulFile {
    public static void main(String[] args) throws Exception {
        new FileOutputStream("NUL:");
    }
}
---------- END SOURCE ----------

CUSTOMER SUBMITTED WORKAROUND :
set system property: -Djdk.io.File.enableADS=true

FREQUENCY : always