# Undefined method \`last' for {"user\_engine"=\>:environment}:Ha

**URL:** <https://www.ruby-forum.com/t/undefined-method-last-for-user-engine-environment-ha/160482>\
**Category:** Engines\
**Created:** [February 16, 2009, 9:44pm UTC](https://www.ruby-forum.com/t/undefined-method-last-for-user-engine-environment-ha/160482 "2009-02-16T21:44:19Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![mehdy](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/eada6e/32.png) [@mehdy](https://www.ruby-forum.com/u/mehdy)\
**Post date:** [February 16, 2009, 9:44pm UTC](https://www.ruby-forum.com/t/undefined-method-last-for-user-engine-environment-ha/160482/1 "2009-02-16T21:44:19Z")

</div>

[root@localhost coupa-1.5]# ruby -v  
ruby 1.8.5 (2006-08-25) [i386-linux]

[root@localhost coupa-1.5]# gem -v  
1.3.1

[root@localhost coupa-1.5]# gem list

\*\*\* LOCAL GEMS \*\*\*

actionmailer (2.2.2, 1.3.3)  
actionpack (2.2.2, 1.13.3)  
actionwebservice (1.2.3)  
activerecord (2.2.2, 1.15.3)  
activeresource (2.2.2)  
activesupport (2.2.2, 1.4.2)  
acts\_as\_ferret (0.4.3)  
ferret (0.11.6)  
mysql (2.7)  
rails (2.2.2, 1.2.3)  
rake (0.8.3)  
rtf (0.1.0)  
rubygems-update (1.3.1)  
vpim (0.658)

/root/coupa-1.5/config/boot.rb:26:Warning: Gem::SourceIndex#search  
support for String patterns is deprecated  
rake aborted!  
undefined method `last' for {"user_engine"=>:environment}:Hash /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1717:in`resolve\_args’  
/root/coupa-1.5/config/…/vendor/plugins/engines/tasks/engines.rake:9:in  
`redefine_task' /root/coupa-1.5/config/../vendor/plugins/engines/tasks/engines.rake:32:in`redefine\_task’  
/root/coupa-1.5/config/…/vendor/plugins/engines/tasks/engines.rake:71  
/usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1255:in `each' /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1255:in`send’  
/usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1255:in `each' /root/coupa-1.5/config/../vendor/plugins/engines/tasks/engines.rake:69 /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1851:in`in\_namespace’  
/usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:892:in `namespace' /root/coupa-1.5/config/../vendor/plugins/engines/tasks/engines.rake:66 /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1851:in`in\_namespace’  
/usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:892:in `namespace' /root/coupa-1.5/config/../vendor/plugins/engines/tasks/engines.rake:62 /usr/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:488:in`load’  
/usr/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active\_support/dependencies.rb:488:in  
`load' /usr/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:342:in`new\_constants\_in’  
/usr/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active\_support/dependencies.rb:488:in  
`load' /usr/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/tasks/rails.rb:8 /usr/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/tasks/rails.rb:8:in`each’  
/usr/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/tasks/rails.rb:8  
/usr/lib/ruby/site\_ruby/1.8/rubygems/custom\_require.rb:31:in  
`gem_original_require' /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in`require’  
/root/coupa-1.5/Rakefile:10  
/usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:2349:in `load' /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:2349:in`raw\_load\_rakefile’  
/usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1985:in  
`load_rakefile' /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:2036:in`standard\_exception\_handling’  
/usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1984:in  
`load_rakefile' /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1969:in`run’  
/usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:2036:in  
`standard_exception_handling' /usr/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1967:in`run’  
/usr/lib/ruby/gems/1.8/gems/rake-0.8.3/bin/rake:31  
/usr/bin/rake:19:in `load’  
/usr/bin/rake:19

please help me solve this error  
thanks  
mehdy

---

<div class="post-metadata">

**Author:** ![mehdy](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/eada6e/32.png) [@mehdy](https://www.ruby-forum.com/u/mehdy)\
**Post date:** [May 20, 2009, 3:12am UTC](https://www.ruby-forum.com/t/undefined-method-last-for-user-engine-environment-ha/160482/2 "2009-05-20T03:12:45Z")

</div>

Help!

Getting following error:

rake aborted!  
undefined method `last’ for {“user\_engine”=\>:environment}:Hash

I found many posts with similar issue, but no resolution.  
Pleas help.  
Thank you!  
Tony

---

<div class="post-metadata">

**Author:** ![mehdy](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/eada6e/32.png) [@mehdy](https://www.ruby-forum.com/u/mehdy)\
**Post date:** [December 9, 2009, 6:55am UTC](https://www.ruby-forum.com/t/undefined-method-last-for-user-engine-environment-ha/160482/3 "2009-12-09T06:55:07Z")

</div>

Tony Dentamaro wrote:

> Help!
> 
> Getting following error:
> 
> rake aborted!  
> undefined method `last’ for {“user\_engine”=\>:environment}:Hash
> 
> I found many posts with similar issue, but no resolution.  
> Pleas help.  
> Thank you!  
> Tony

Hi, Tony. I’m getting the exact same issue while attempting to install  
Coupa Express. Did you ever get this resolved? Any pointers?

Thank you!