gistfile1.rb

require 'java'
require 'rubygems'
require 'nokogiri'

data = %[<?xml version="1.0" encoding="UTF-8"?>
    <auth_createToken_response xmlns="http://api.facebook.com/1.0/" 
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
        xsi:schemaLocation="http://api.facebook.com/1.0/ http://api.facebook.com/1.0/facebook.xsd">
        3e4a22bb2f5ed75114b0fc9995ea85f1
        </auth_createToken_response>]
        
xml = Nokogiri::XML(data.strip)

gistfile2.txt

[mbc@mbcbook nokogiri-problem]$ jruby -X+O test.rb 
FastIntMethodFactory.java:340:in `isConvertible': java.lang.NoSuchMethodError: org.jruby.ext.ffi.Struct.getMemory()Lorg/jruby/runtime/builtin/IRubyObject;
	from FastIntPointerMethodOneArg.java:25:in `invoke'
	from FastIntPointerMethodOneArg.java:44:in `call'
	from CachingCallSite.java:309:in `cacheAndCall'
	from CachingCallSite.java:148:in `call'
	from CallOneArgNode.java:57:in `interpret'
	from LocalAsgnNode.java:123:in `interpret'
	from NewlineNode.java:104:in `interpret'
	from BlockNode.java:71:in `interpret'
	from InterpretedMethod.java:160:in `call'
	from DefaultMethod.java:164:in `call'
	from RubyClass.java:459:in `finvoke'
	from RubyObject.java:1438:in `send'
	from org/jruby/RubyObject$i_method_multi$RUBYINVOKER$send.gen:-1:in `call'
	from JavaMethod.java:266:in `call'
	from CachingCallSite.java:146:in `call'
	from FCallOneArgNode.java:36:in `interpret'
	from DAsgnNode.java:110:in `interpret'
	from NewlineNode.java:104:in `interpret'
	from BlockNode.java:71:in `interpret'
	from RescueNode.java:225:in `executeBody'
	from RescueNode.java:147:in `interpretWithJavaExceptions'
	from RescueNode.java:110:in `interpret'
	from BeginNode.java:83:in `interpret'
	from NewlineNode.java:104:in `interpret'
	from InterpretedBlock.java:373:in `evalBlockBody'
	from InterpretedBlock.java:346:in `yield'
	from InterpretedBlock.java:303:in `yield'
	from Block.java:194:in `yield'
	from RubyArray.java:2507:in `rejectBang'
	from RubyArray.java:2527:in `reject_bang'
	from RubyArray.java:2487:in `rejectCommon'
	from RubyArray.java:2493:in `reject'
	from org/jruby/RubyArray$i_method_0_0$RUBYFRAMEDINVOKER$reject.gen:-1:in `call'
	from CachingCallSite.java:299:in `cacheAndCall'
	from CachingCallSite.java:117:in `callBlock'
	from CachingCallSite.java:122:in `call'
	from CallNoArgBlockNode.java:64:in `interpret'
	from CallNoArgBlockNode.java:60:in `interpret'
	from CallOneArgNode.java:57:in `interpret'
	from LocalAsgnNode.java:123:in `interpret'
	from NewlineNode.java:104:in `interpret'
	from BlockNode.java:71:in `interpret'
	from InterpretedMethod.java:139:in `call'
	from DefaultMethod.java:156:in `call'
	from RubyClass.java:555:in `finvoke'
	from RuntimeHelpers.java:428:in `invoke'
	from RubyBasicObject.java:319:in `callMethod'
	from RubyObject.java:927:in `inspect'
	from RubyKernel.java:449:in `p'
	from org/jruby/RubyKernel$s_method_0_0$RUBYINVOKER$p.gen:-1:in `call'
	from JavaMethod.java:630:in `call'
	from DynamicMethod.java:186:in `call'
	from CachingCallSite.java:309:in `cacheAndCall'
	from CachingCallSite.java:148:in `call'
	from test.rb:14:in `__file__'
	from test.rb:-1:in `load'
	from Ruby.java:651:in `runScript'
	from Ruby.java:569:in `runNormally'
	from Ruby.java:415:in `runFromMain'
	from Main.java:275:in `run'
	from Main.java:117:in `run'
	from Main.java:97:in `main'