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POHow do you debug opscode chef / ruby errors?
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copied!<p>I'm a python guy and struggling to make sense of ruby stacktraces. I'd appreciate if anyone can tell me a systematic method to get to the bottom of what is causing a message like this. Running Opscode 11.4. I thought its probably due to an outdated opscode cookbook, so updated ark to 0.0.17 - the latest. However the problem persists. I thought perhaps it was a dependancy of another cookbook. It is, elasticsearch, however no version is specified. In any case this method seems like guess work however there is not a clear stack trace of where the underlaying problem is. What is the correct way to action such a message?</p> <pre><code>Synchronizing Cookbooks: - users - ark - elasticsearch - openssl - sudo - yum - ohai - munin - bluepill - runit - postgresql - build-essential - apt - git - nginx Compiling Cookbooks... ================================================================================ Recipe Compile Error in /var/chef/cache/cookbooks/ark/libraries/resource_ark.rb ================================================================================ NoMethodError ------------- undefined method `attribute' for Chef::Resource::Ark:Class Cookbook Trace: --------------- /var/chef/cache/cookbooks/ark/libraries/resource_ark.rb:37 Relevant File Content: ---------------------- /var/chef/cache/cookbooks/ark/libraries/resource_ark.rb: 30: @allowed_actions.push(:install, :dump, :cherry_pick, :put, :install_with_make, :configure, :setup_py_build, :setup_py_install, :setup_py) 31: @action = :install 32: @provider = Chef::Provider::Ark 33: end 34: 35: attr_accessor :path, :release_file, :prefix_bin, :prefix_root, :home_dir, :extension, :version 36: 37>> attribute :owner, :kind_of => String, :default => 'root' 38: attribute :group, :kind_of => [String, Fixnum], :default => 0 39: attribute :url, :kind_of => String, :required => true 40: attribute :path, :kind_of => String, :default => nil 41: attribute :full_path, :kind_of => String, :default => nil 42: attribute :append_env_path, :kind_of => [TrueClass, FalseClass], :default => false 43: attribute :checksum, :regex => /^[a-zA-Z0-9]{64}$/, :default => nil 44: attribute :has_binaries, :kind_of => Array, :default => [] 45: attribute :creates, :kind_of => String, :default => nil 46: attribute :release_file, :kind_of => String, :default => '' [2013-02-25T00:19:30+00:00] ERROR: Running exception handlers [2013-02-25T00:19:30+00:00] FATAL: Saving node information to /var/chef/cache/failed-run-data.json [2013-02-25T00:19:30+00:00] ERROR: Exception handlers complete Chef Client failed. 0 resources updated [2013-02-25T00:19:30+00:00] FATAL: Stacktrace dumped to /var/chef/cache/chef-stacktrace.out [2013-02-25T00:19:30+00:00] FATAL: NoMethodError: undefined method `attribute' for Chef::Resource::Ark:Class </code></pre>

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