undefined method 'exists?' for class File

[SPUDYBRO]

• CPU Architecture: x86_64
• OS Name & Version: Windows 11 Home 10.0.26100 Build 26100
• Java Development Kit Version: JDK 24.0.1
• JRuby Version: 10.0.0.1 x64
• Glimmer Libraries/Versions: glimmer-dsl-swt v4.30.1.1

Describe the issue
When running the command glimmer samples i get the error:

NoMethodError: undefined method 'exists?' for class File
         glimmer_lib at C:/jruby-10.0.0.1/lib/ruby/gems/shared/gems/glimmer-dsl-swt-4.30.1.1/lib/glimmer/launcher.rb:95
              launch at C:/jruby-10.0.0.1/lib/ruby/gems/shared/gems/glimmer-dsl-swt-4.30.1.1/lib/glimmer/launcher.rb:125
  launch_application at C:/jruby-10.0.0.1/lib/ruby/gems/shared/gems/glimmer-dsl-swt-4.30.1.1/lib/glimmer/launcher.rb:179
              launch at C:/jruby-10.0.0.1/lib/ruby/gems/shared/gems/glimmer-dsl-swt-4.30.1.1/lib/glimmer/launcher.rb:172
              <main> at C:/jruby-10.0.0.1/lib/ruby/gems/shared/gems/glimmer-dsl-swt-4.30.1.1/bin/glimmer:35
                load at org/jruby/RubyKernel.java:1212
              <main> at c:\jruby-10.0.0.1\bin\glimmer:25

Also note this happens when running a file aswell. e.g glimmer .\main.rb