# No marshal\_dump is defined for class StringIO

**URL:** <https://www.ruby-forum.com/t/no-marshal-dump-is-defined-for-class-stringio/132263>\
**Category:** Rails\
**Created:** [March 18, 2008, 2:29pm UTC](https://www.ruby-forum.com/t/no-marshal-dump-is-defined-for-class-stringio/132263 "2008-03-18T14:29:25Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![shuja](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/13edae/32.png) [@shuja](https://www.ruby-forum.com/u/shuja)\
**Post date:** [March 18, 2008, 2:29pm UTC](https://www.ruby-forum.com/t/no-marshal-dump-is-defined-for-class-stringio/132263/1 "2008-03-18T14:29:25Z")

</div>

Hi all,

I’m newbie to ROR, anybody know why I would be getting the following  
error when I use paginating\_find with memcache “no marshal\_dump is  
defined for class StringIO”

Im just using the plugin straight out with very default options like  
from the documentation.

Thanks in advance.