Ruby

I get the following error when I use rexml (in fact it's a rails call) with sidekiq.

I suspect that some of the value's that the parser is using are getting moved by the gc witch is call after each sidekiq process

/h/u/.rvm/rubies/ruby-2.2.4/lib/ruby/2.2.0/rexml/parsers/baseparser.rb:411: [BUG] rb_gc_mark(): unknown data type 0x10(0x007f547c000078) non object ruby 2.2.4p230 (2015-12-16 revision 53155) [x86_64-linux] -- Control frame information ----------------------------------------------- c:0121 p:2179 s:0554 e:000551 METHOD /h/u/.rvm/rubies/ruby-2.2.4/lib/ruby/2.2.0/rexml/parsers/baseparser.rb:411 c:0120 p:0007 s:0521 e:000520 METHOD /h/u/.rvm/rubies/ruby-2.2.4/lib/ruby/2.2.0/rexml/parsers/baseparser.rb:184 c:0119 p:0034 s:0518 e:000517 METHOD /h/u/.rvm/rubies/ruby-2.2.4/lib/ruby/2.2.0/rexml/parsers/treeparser.rb:22 c:0118 p:0020 s:0506 e:000505 METHOD /h/u/.rvm/rubies/ruby-2.2.4/lib/ruby/2.2.0/rexml/document.rb:287 c:0117 p:0084 s:0502 e:000501 METHOD /h/u/.rvm/rubies/ruby-2.2.4/lib/ruby/2.2.0/rexml/document.rb:44 [FINISH] ... [NOTE] You may have encountered a bug in the Ruby interpreter or extension libraries. Bug reports are welcome. For details: http://www.ruby-lang.org/bugreport.html