{"record":{"id":"8dbedadb689c6543","repo":"ruby/rubygems","slug":"your-ruby-engine-is-gem-ruby-engine-but-your","errorCode":null,"errorMessage":"Your Ruby engine is #{Gem.ruby_engine}, but your #{gem_deps_file} requires #{engine}","messagePattern":"Your Ruby engine is #(.+?), but your #(.+?) requires #(.+?)","errorType":"exception","errorClass":"Gem::RubyVersionMismatch","httpStatus":null,"severity":"error","filePath":"lib/rubygems/request_set/gem_dependency_api.rb","lineNumber":804,"sourceCode":"\n    raise ArgumentError,\n          \"You must specify engine_version along with the Ruby engine\" if\n            engine && !engine_version\n\n    return true if @installing\n\n    unless version == RUBY_VERSION\n      message = \"Your Ruby version is #{RUBY_VERSION}, \" \\\n                \"but your #{gem_deps_file} requires #{version}\"\n\n      raise Gem::RubyVersionMismatch, message\n    end\n\n    if engine && engine != Gem.ruby_engine\n      message = \"Your Ruby engine is #{Gem.ruby_engine}, \" \\\n                \"but your #{gem_deps_file} requires #{engine}\"\n\n      raise Gem::RubyVersionMismatch, message\n    end\n\n    if engine_version\n      if engine_version != RUBY_ENGINE_VERSION\n        message =\n          \"Your Ruby engine version is #{Gem.ruby_engine} #{RUBY_ENGINE_VERSION}, \" \\\n          \"but your #{gem_deps_file} requires #{engine} #{engine_version}\"\n\n        raise Gem::RubyVersionMismatch, message\n      end\n    end\n\n    true\n  end\n\n  ##\n  # :category: Gem Dependencies DSL\n  #","sourceCodeStart":786,"sourceCodeEnd":822,"githubUrl":"https://github.com/ruby/rubygems/blob/86cbb817a38ce8477b181c17467a703ded3f2be8/lib/rubygems/request_set/gem_dependency_api.rb#L786-L822","documentation":"Error \"Your Ruby engine is #{Gem.ruby_engine}, but your #{gem_deps_file} requires #{engine}\" thrown in ruby/rubygems.","triggerScenarios":"Thrown at lib/rubygems/request_set/gem_dependency_api.rb:804 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Run with the Ruby engine required by the dependencies file (e.g. jruby, truffleruby)","Or change the file's engine requirement"],"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"}