The following error appeared recently on master after merging 9.2 support, which itself pulled in #6649.
8) Error: test_system_with_conflicting_dir(TestSystem): Java::JavaIo::IOException: Cannot run program "java -version" (in directory "D:\a\jruby\jruby"): CreateProcess error=2, The system cannot find the file specified
java.lang.ProcessBuilder.start(java/lang/ProcessBuilder.java:1128)
java.lang.ProcessBuilder.start(java/lang/ProcessBuilder.java:1071)
jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
jdk.internal.reflect.NativeMethodAccessorImpl.invoke(jdk/internal/reflect/NativeMethodAccessorImpl.java:62)
jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(jdk/internal/reflect/DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(java/lang/reflect/Method.java:566)
org.jruby.javasupport.JavaMethod.invokeDirectWithExceptionHandling(org/jruby/javasupport/JavaMethod.java:442)
org.jruby.javasupport.JavaMethod.invokeDirect(org/jruby/javasupport/JavaMethod.java:306)
RUBY.processbuilder_run(D:/a/jruby/jruby/lib/ruby/stdlib/jruby/open3_windows.rb:79)
RUBY.popen3(D:/a/jruby/jruby/lib/ruby/stdlib/jruby/open3_windows.rb:19)
RUBY.test_system_with_conflicting_dir(D:/a/jruby/jruby/test/jruby/test_system.rb:25)
This is also likely broken on jruby-9.2 but we do not have a Windows CI for that branch.
The following error appeared recently on master after merging 9.2 support, which itself pulled in #6649.
This is also likely broken on jruby-9.2 but we do not have a Windows CI for that branch.