Error configuring s3 with attachment_fu

Hi everyone,

I’m configuring attachment_fu to use s3, but I’m getting an error:

Image.new
NoMethodError: You have a nil object when you didn’t expect it!
The error occurred while evaluating nil.tmp_dh_callback=
from
/usr/local/lib/ruby/gems/1.8/gems/rubyforge-1.0.0/lib/rubyforge/client.rb:24:in
use_ssl=' from /usr/local/lib/ruby/gems/1.8/gems/aws-s3-0.5.1/lib/aws/s3/connection.rb:101:increate_connection’
from
/usr/local/lib/ruby/gems/1.8/gems/aws-s3-0.5.1/lib/aws/s3/connection.rb:116:in
connect' from /usr/local/lib/ruby/gems/1.8/gems/aws-s3-0.5.1/lib/aws/s3/connection.rb:23:ininitialize’
from
/usr/local/lib/ruby/gems/1.8/gems/aws-s3-0.5.1/lib/aws/s3/connection.rb:6:in
new' from /usr/local/lib/ruby/gems/1.8/gems/aws-s3-0.5.1/lib/aws/s3/connection.rb:6:inconnect’
from
/usr/local/lib/ruby/gems/1.8/gems/aws-s3-0.5.1/lib/aws/s3/connection.rb:202:in
establish_connection!' from /Users/sean/Projects/onecause/vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu/backends/s3_backend.rb:143:inincluded’
from
/Users/sean/Projects/onecause/vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu.rb:78:in
include' from /Users/sean/Projects/onecause/vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu.rb:78:inhas_attachment’
from /Users/sean/Projects/onecause/app/models/image.rb:27
from
/usr/local/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependencies.rb:215:in
load_without_new_constant_marking' from /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependencies.rb:215:inload_file’
from
/usr/local/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependencies.rb:354:in
new_constants_in' from /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependencies.rb:214:inload_file’
from
/usr/local/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependencies.rb:95:in
require_or_load' from /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependencies.rb:260:inload_missing_constant’
from
/usr/local/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependencies.rb:467:in
const_missing_not_from_s3_library' from /usr/local/lib/ruby/gems/1.8/gems/aws-s3-0.5.1/lib/aws/s3/extensions.rb:174:inrake_original_const_missing’
from /usr/local/lib/ruby/gems/1.8/gems/rake-0.8.1/lib/rake.rb:2237:in
const_missing' from /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependencies.rb:479:inconst_missing’
from (irb):1
from :0>>

The gems are installed and included. The amazon_s3.yml file is
configured correctly with the right bucket, access_key, and
secret_access_key. The model is configured like this:

has_attachment :storage => :s3,
:content_type => :image,
:max_size => 500.kilobytes,
:resize_to => ‘151x195>’,
:thumbnails => { :thumbnail => ‘100x100>’}

Any ideas? I can’t find mention of tmp_dh_callback anywhere. If I
use the same amazon_s3.yml in a new Rails tree, everything works fine,
so it’s not the network or my machine in particular.

Thanks!

Sean

Wow, that was it. Thanks! Is there a link where I can view the
progress of the bug?

I’ve got several hosts I’d need to patch with this, so I unpacked the
gem into vendor/gems, made the change, and all seems well.

Thanks again!

Sean

Sean H. schreef:

use_ssl=' from /usr/local/lib/ruby/gems/1.8/gems/aws-s3-0.5.1/lib/aws/s3/connection.rb:202:in from /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependencies.rb:215:inconst_missing_not_from_s3_library’
configured correctly with the right bucket, access_key, and
so it’s not the network or my machine in particular.

Thanks!

Sean

he problem is in the rubyforge 1.0.0 gem. It patches Net:HTTP but not
very good, making the use_ssl=false call to cause an error. I posted a
bug report to the rubyforge gem guys.

a quick fix is changing

@ssl_context.tmp_dh_callback = proc {}

into

@ssl_context.tmp_dh_callback = proc {} if flag

in the file client.rb (on my mac in
/Library/Ruby/Gems/1.8/gems/rubyforge-1.0.0/lib/rubyforge/client.rb)

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