#  undefined method \`bytesize' for #ActionDispatch::Response:0x000000042073b8

**URL:** <https://community.miniprofiler.com/t/undefined-method-bytesize-for-actiondispatch-response-0x000000042073b8/79>\
**Category:** uncategorized\
**Created:** [August 7, 2012, 3:48am UTC](https://community.miniprofiler.com/t/undefined-method-bytesize-for-actiondispatch-response-0x000000042073b8/79 "2012-08-07T03:48:51Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![batzen](https://avatars.discourse-cdn.com/v4/letter/b/59ef9b/32.png) [@batzen](https://community.miniprofiler.com/u/batzen)\
**Post date:** [August 7, 2012, 3:48am UTC](https://community.miniprofiler.com/t/undefined-method-bytesize-for-actiondispatch-response-0x000000042073b8/79/1 "2012-08-07T03:48:51Z")

</div>

When processing a request, this error appears:

```
[2012-08-07 15:42:44] ERROR NoMethodError: undefined method `bytesize' for #<ActionDispatch::Response:0x000000042073b8>
/home/tbh/.rvm/gems/ruby-1.9.3-p125@skippr/gems/rack-mini-profiler-0.1.7/lib/mini_profiler/body_add_proxy.rb:18:in `method_missing'
/home/tbh/.rvm/gems/ruby-1.9.3-p125@skippr/gems/rack-1.2.5/lib/rack/utils.rb:276:in `bytesize'
/home/tbh/.rvm/gems/ruby-1.9.3-p125@skippr/gems/rack-1.2.5/lib/rack/content_length.rb:22:in `block i...
...

```

Using Rails 3.0.15, Ruby 1.9.3p125 Rack 1.2.5 rack-mini-profiler 0.1.7

---

<div class="post-metadata">

**Author:** ![sam](https://sea2.discourse-cdn.com/flex016/user_avatar/community.miniprofiler.com/sam/32/377_2.png) [@sam](https://community.miniprofiler.com/u/sam)\
**Post date:** [August 7, 2012, 3:36pm UTC](https://community.miniprofiler.com/t/undefined-method-bytesize-for-actiondispatch-response-0x000000042073b8/79/2 "2012-08-07T15:36:16Z")

</div>

This is way old, please grab the latest gem

---

<div class="post-metadata">

**Author:** ![batzen](https://avatars.discourse-cdn.com/v4/letter/b/59ef9b/32.png) [@batzen](https://community.miniprofiler.com/u/batzen)\
**Post date:** [August 8, 2012, 8:12am UTC](https://community.miniprofiler.com/t/undefined-method-bytesize-for-actiondispatch-response-0x000000042073b8/79/3 "2012-08-08T08:12:56Z")

</div>

Sorry, forgot to bundle update. Works fine, thanks!