Anyone seen / know how to fix this yajl gem error in JRuby?

gistfile1.txt

[sysadmin@support chef-11.4.4]$ jruby -S irb
irb(main):001:0> require 'rubygems'
=> false
irb(main):002:0> require 'yajl'
LoadError: load error: yajl/yajl -- java.lang.UnsatisfiedLinkError: failed to load shim library, error: /home/sysadmin/opt/stow/jruby-1.7.4/lib/native/x86_64-Linux/libjruby-cext.so: cannot open shared object file: No such file or directory
  from org/jruby/RubyKernel.java:1054:in `require'
	from /home/sysadmin/opt/stow/jruby-1.7.4/lib/ruby/shared/rubygems/custom_require.rb:36:in `require'
	from /home/sysadmin/opt/stow/jruby-1.7.4/lib/ruby/gems/shared/gems/yajl-ruby-1.1.0/lib/yajl.rb:1:in `(root)'
	from org/jruby/RubyKernel.java:1054:in `require'
	from /home/sysadmin/opt/stow/jruby-1.7.4/lib/ruby/shared/rubygems/custom_require.rb:1:in `(root)'
	from /home/sysadmin/opt/stow/jruby-1.7.4/lib/ruby/shared/rubygems/custom_require.rb:60:in `require'
	from org/jruby/RubyKernel.java:1093:in `eval'
	from (irb):2:in `evaluate'
	from org/jruby/RubyKernel.java:1489:in `loop'
	from org/jruby/RubyKernel.java:1254:in `catch'
	from org/jruby/RubyKernel.java:1254:in `catch'
	from /home/sysadmin/opt/stow/jruby-1.7.4/bin/jirb:13:in `(root)'

A streaming JSON parsing and encoding library for Ruby (C bindings to yajl) — Read more

AKA, no.