{"record":{"id":"251386aed72e3e64","repo":"ruby/rubygems","slug":"unable-to-find-spec-for-name-inspect","errorCode":null,"errorMessage":"Unable to find spec for #{name.inspect}","messagePattern":"Unable to find spec for #(.+?)","errorType":"exception","errorClass":"Gem::Exception","httpStatus":null,"severity":"error","filePath":"lib/rubygems/source/local.rb","lineNumber":109,"sourceCode":"      if version.satisfied_by?(s.version)\n        if prerelease\n          found << s\n        elsif !s.version.prerelease? || version.prerelease?\n          found << s\n        end\n      end\n    end\n\n    found\n  end\n\n  def fetch_spec(name) # :nodoc:\n    load_specs :complete\n\n    if data = @specs[name]\n      data.last.spec\n    else\n      raise Gem::Exception, \"Unable to find spec for #{name.inspect}\"\n    end\n  end\n\n  def download(spec, cache_dir = nil) # :nodoc:\n    load_specs :complete\n\n    @specs.each do |_name, data|\n      return data[0] if data[1].spec == spec\n    end\n\n    raise Gem::Exception, \"Unable to find file for '#{spec.full_name}'\"\n  end\n\n  def pretty_print(q) # :nodoc:\n    q.object_group(self) do\n      q.group 2, \"[Local gems:\", \"]\" do\n        q.breakable\n        if @specs","sourceCodeStart":91,"sourceCodeEnd":127,"githubUrl":"https://github.com/ruby/rubygems/blob/86cbb817a38ce8477b181c17467a703ded3f2be8/lib/rubygems/source/local.rb#L91-L127","documentation":"Error \"Unable to find spec for #{name.inspect}\" thrown in ruby/rubygems.","triggerScenarios":"Thrown at lib/rubygems/source/local.rb:109 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Build the gem first (`gem build <name>.gemspec`) so a spec exists locally","Check the gem name spelling"],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"86cbb817a38ce8477b181c17467a703ded3f2be8","analyzedAt":"2026-08-23T06:27:48.159Z","schemaVersion":2},"datasetVersion":"2026-08-23T08:06:27.607Z"}