{"record":{"id":"65e65a61e292cd3b","repo":"mongodb/mongoid","slug":"no-vector-search-indexes-declared-on-name","errorCode":null,"errorMessage":"No vector search indexes declared on #{name}","messagePattern":"No vector search indexes declared on #(.+?)","errorType":"exception","errorClass":"ArgumentError","httpStatus":null,"severity":"error","filePath":"lib/mongoid/search_indexable.rb","lineNumber":431,"sourceCode":"      #\n      # @param [ Array<String> ] names the index names to query\n      #\n      # @return [ Array<Hash> ] the raw index documents\n      def get_indexes(names)\n        collection.search_indexes.select { |i| names.include?(i['name']) }\n      end\n\n      # Resolves the index name and vector path from the declared specs,\n      # applying inference when either is omitted.\n      #\n      # @param [ String | Symbol | nil ] index The requested index name.\n      # @param [ String | Symbol | nil ] path The requested field path.\n      #\n      # @return [ Array<String> ] the resolved [ index_name, field_path ] pair.\n      def resolve_vector_index(index, path)\n        vector_specs = search_index_specs.select { |s| s[:type] == 'vectorSearch' }\n\n        raise ArgumentError, \"No vector search indexes declared on #{name}\" if vector_specs.empty?\n\n        spec = if index\n                 found = vector_specs.find { |s| s[:name] == index.to_s }\n                 raise ArgumentError, \"No vector search index '#{index}' declared on #{name}\" unless found\n\n                 found\n               elsif vector_specs.size == 1\n                 vector_specs.first\n               else\n                 raise ArgumentError,\n                       \"#{name} has multiple vector search indexes; specify index: to select one\"\n               end\n\n        resolved_index = spec[:name] || 'default'\n        resolved_path  = path ? path.to_s : infer_vector_path(spec)\n\n        [ resolved_index, resolved_path ]\n      end","sourceCodeStart":413,"sourceCodeEnd":449,"githubUrl":"https://github.com/mongodb/mongoid/blob/0da0e23d71adfbad31128c18e5e2c8c301c6f7c4/lib/mongoid/search_indexable.rb#L413-L449","documentation":"Error \"No vector search indexes declared on #{name}\" thrown in mongodb/mongoid.","triggerScenarios":"Thrown at lib/mongoid/search_indexable.rb:431 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"0da0e23d71adfbad31128c18e5e2c8c301c6f7c4","analyzedAt":"2026-08-23T06:25:47.656Z","schemaVersion":2},"datasetVersion":"2026-08-23T08:06:27.607Z"}