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Re: `rescue in block in dlload': can't load user32 (Fiddle::DLError) on running cap

On 2017-08-03 00:13, Ashley Mozhuman wrote:
> I installed Capistrano and am facing problems white executing the cap
> command.  The OS is Windows 2012 R2.
> So when I run,
> cap <<>> deploy,
>  the error displayed is,
> /usr/share/ruby/2.3.0/fiddle/import.rb:86:in `rescue in block in
> dlload': can't load user32 (Fiddle::DLError)
>         from /usr/share/ruby/2.3.0/fiddle/import.rb:83:in `block in dlload'
>         from /usr/share/ruby/2.3.0/fiddle/import.rb:74:in `collect'
>         from /usr/share/ruby/2.3.0/fiddle/import.rb:74:in `dlload'
>         from /home/Administrator/.gem/ruby/2.3.0/gems/net-ssh-4.0.1/lib/net/ssh/authentication/pageant.rb:59:in
> `<module:Win>'
>         from /home/Administrator/.gem/ruby/2.3.0/gems/net-ssh-4.0.1/lib/net/ssh/authentication/pageant.rb:41:in
> `<module:Pageant>'
>         from /home/Administrator/.gem/ruby/2.3.0/gems/net-ssh-4.0.1/lib/net/ssh/authentication/pageant.rb:33:in
> `<module:Authentication>'
>         from /home/Administrator/.gem/ruby/2.3.0/gems/net-ssh-4.0.1/lib/net/ssh/authentication/pageant.rb:24:in
> `<module:SSH>'
>         from /home/Administrator/.gem/ruby/2.3.0/gems/net-ssh-4.0.1/lib/net/ssh/authentication/pageant.rb:24:in
> `<module:Net>'
>         from /home/Administrator/.gem/ruby/2.3.0/gems/net-ssh-4.0.1/lib/net/ssh/authentication/pageant.rb:24:in
> `<top (required)>'
>         from /usr/local/share/ruby/site_ruby/rubygems/core_ext/kernel_require.rb:55:in
> `require'
>         from /usr/local/share/ruby/site_ruby/rubygems/core_ext/kernel_require.rb:55:in
> `require'
>         from /home/Administrator/.gem/ruby/2.3.0/gems/net-ssh-4.0.1/lib/net/ssh/authentication/agent.rb:9:in
> `<top (required)>'
>         from /usr/local/share/ruby/site_ruby/rubygems/core_ext/kernel_require.rb:55:in
> `require'
>         from /usr/local/share/ruby/site_ruby/rubygems/core_ext/kernel_require.rb:55:in
> `require'
>         from /home/Administrator/.gem/ruby/2.3.0/gems/net-ssh-4.0.1/lib/net/ssh/authentication/key_manager.rb:4:in
> `<top (required)>'
>         from /usr/local/share/ruby/site_ruby/rubygems/core_ext/kernel_require.rb:55:in
> `require'
>         from /usr/local/share/ruby/site_ruby/rubygems/core_ext/kernel_require.rb:55:in
> `require'
>         from /home/Administrator/.gem/ruby/2.3.0/gems/net-ssh-4.0.1/lib/net/ssh/authentication/session.rb:4:in
> `<top (required)>'
>         from /usr/local/share/ruby/site_ruby/rubygems/core_ext/kernel_require.rb:55:in
> `require'
>         from /usr/local/share/ruby/site_ruby/rubygems/core_ext/kernel_require.rb:55:in
> `require'
>         from /home/Administrator/.gem/ruby/2.3.0/gems/net-ssh-4.0.1/lib/net/ssh.rb:12:in
> `<top (required)>'
>         from /usr/local/share/ruby/site_ruby/rubygems/core_ext/kernel_require.rb:55:in
> `require'
>         from /usr/local/share/ruby/site_ruby/rubygems/core_ext/kernel_require.rb:55:in
> `require'
>         from /home/Administrator/.gem/ruby/2.3.0/gems/net-ssh-gateway-2.0.0/lib/net/ssh/gateway.rb:2:in
> `<top (required)>'
>         from /usr/local/share/ruby/site_ruby/rubygems/core_ext/kernel_require.rb:55:in
> `require'
>         from /usr/local/share/ruby/site_ruby/rubygems/core_ext/kernel_require.rb:55:in
> `require'
>         from /home/Administrator/.gem/ruby/2.3.0/gems/capistrano-2.15.9/lib/capistrano/configuration/connections.rb:2:in
> `<top (required)>'
>         from /usr/local/share/ruby/site_ruby/rubygems/core_ext/kernel_require.rb:55:in
> `require'
>         from /usr/local/share/ruby/site_ruby/rubygems/core_ext/kernel_require.rb:55:in
> `require'
>         from /home/Administrator/.gem/ruby/2.3.0/gems/capistrano-2.15.9/lib/capistrano/configuration.rb:5:in
> `<top (required)>'
>         from /usr/local/share/ruby/site_ruby/rubygems/core_ext/kernel_require.rb:55:in
> `require'
>         from /usr/local/share/ruby/site_ruby/rubygems/core_ext/kernel_require.rb:55:in
> `require'
>         from /home/Administrator/.gem/ruby/2.3.0/gems/capistrano-2.15.9/lib/capistrano.rb:3:in
> `<top (required)>'
>         from /usr/local/share/ruby/site_ruby/rubygems/core_ext/kernel_require.rb:55:in
> `require'
>         from /usr/local/share/ruby/site_ruby/rubygems/core_ext/kernel_require.rb:55:in
> `require'
>         from /home/Administrator/.gem/ruby/2.3.0/gems/capistrano-2.15.9/lib/capistrano/cli.rb:1:in
> `<top (required)>'
>         from /usr/local/share/ruby/site_ruby/rubygems/core_ext/kernel_require.rb:55:in
> `require'
>         from /usr/local/share/ruby/site_ruby/rubygems/core_ext/kernel_require.rb:55:in
> `require'
>         from /home/Administrator/.gem/ruby/2.3.0/gems/capistrano-2.15.9/bin/cap:3:in
> `<top (required)>'
>         from /home/Administrator/bin/cap:23:in `load'
>         from /home/Administrator/bin/cap:23:in `<main>'
> 
> 
> My gem environment info is given below -
> 
> RubyGems Environment:
>   - RUBYGEMS VERSION: 2.6.12
>   - RUBY VERSION: 2.3.3 (2016-11-21 patchlevel 222) [x86_64-cygwin]
>   - INSTALLATION DIRECTORY: /home/Administrator/.gem/ruby/2.3.0
>   - USER INSTALLATION DIRECTORY: /home/Administrator/.gem/ruby/2.3.0
>   - RUBY EXECUTABLE: /usr/bin/ruby.exe
>   - EXECUTABLE DIRECTORY: /home/Administrator/bin
>   - SPEC CACHE DIRECTORY: /home/Administrator/.gem/specs
>   - SYSTEM CONFIGURATION DIRECTORY: /etc
>   - RUBYGEMS PLATFORMS:
>     - ruby
>     - x86_64-cygwin
>   - GEM PATHS:
>      - /home/Administrator/.gem/ruby/2.3.0
>      - /usr/share/gems
>      - /usr/local/share/gems
>   - GEM CONFIGURATION:
>      - :update_sources => true
>      - :verbose => true
>      - :backtrace => false
>      - :bulk_threshold => 1000
>   - REMOTE SOURCES:
>      - https://rubygems.org/
>   - SHELL PATH:
>      - /usr/local/bin
>      - /usr/bin
> 
> And the gem list is  -
> 
> *** LOCAL GEMS ***
> 
> builder (3.2.2)
> capistrano (2.15.9)
> capistrano-ext (1.2.1)
> capistrano_rsync_with_remote_cache (2.4.0)
> did_you_mean (1.0.2)
> highline (1.7.8)
> io-console (0.4.6)
> json (1.8.6)
> minitest (5.10.1)
> net-scp (1.2.1)
> net-sftp (2.1.2)
> net-ssh (4.0.1)
> net-ssh-gateway (2.0.0)
> psych (2.2.4)
> railsless-deploy (1.1.2)
> rake (11.3.0)
> rdoc (4.3.0)

Might want to try asking first on:

	https://github.com/capistrano/capistrano/issues

then if you find you have problems with specific Cygwin ruby packages ask back
here.

-- 
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

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