Mongrel crashes

I’m running Mongrel with JRuby on an XP machine. However after some time
testing with about 15 concurrent clients, Mongrel crashes without a
trace in the log. I managed to save this trace from the console, has
anyone since this or know what this is about?

…/jruby-1.0.0RC2/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:263:in
load_missing_constant': uninitialized constant Errno::ECONNABORTED (NameError) from .../jruby-1.0.0RC2/lib/ruby/site_ruby/1.8/mongrel.rb:730:inconst_missing’
from …/jruby-1.0.0RC2/lib/ruby/site_ruby/1.8/mongrel.rb:730:in
run' from .../jruby-1.0.0RC2/lib/ruby/site_ruby/1.8/mongrel/configurator.rb:271:ininitialize’