Anthony Schmieder

@mengu did you find a workaround? I'm seeing this on both Windows and Linux using: * `jruby 9.2.5.0 (2.5.0) 2018-12-06 6d5a228 Java HotSpot(TM) 64-Bit Server VM 25.144-b01 on 1.8.0_144-b01 +jit...

OK, thanks for replying. This is the same symptom as [JRuby Issue 5341](https://github.com/jruby/jruby/issues/5341), but that issue is fixed in 9.2.5.0

@mengu on our project this failure seemed to be triggered by a .jrubyrc in the app root with "debug.fullTrace=true" in it. If you have debug.fullTrace enabled, try disabling it. I...

I've included some warnings that I omitted in the original report. ``` > jruby bin\rake db:second_base:rollback --trace jruby: warning: unknown property jruby.cext.enabled C:/jruby/jruby-9.1.2.0/lib/ruby/gems/shared/gems/rubyzip-1.1.7/lib/zip.rb:35: warning: ObjectSpace impacts performance. See http://wiki.jruby.org/PerformanceTuning#dont-enable-objectspace **...