{"record":{"id":"82a1dc79a1b3b86f","repo":"fluent/fluentd","slug":"invalid-boolean-expression-s-for-include-tag","errorCode":null,"errorMessage":"Invalid boolean expression '#{s}' for include_tag_key parameter","messagePattern":"Invalid boolean expression '#(.+?)' for include_tag_key parameter","errorType":"exception","errorClass":"Fluent::ConfigError","httpStatus":null,"severity":"error","filePath":"lib/fluent/compat/set_tag_key_mixin.rb","lineNumber":35,"sourceCode":"require 'fluent/config/error'\nrequire 'fluent/config/types'\nrequire 'fluent/compat/record_filter_mixin'\n\nmodule Fluent\n  module Compat\n    module SetTagKeyMixin\n      include RecordFilterMixin\n\n      attr_accessor :include_tag_key, :tag_key\n\n      def configure(conf)\n        @include_tag_key = false\n\n        super\n\n        if s = conf['include_tag_key']\n          include_tag_key = Fluent::Config.bool_value(s)\n          raise Fluent::ConfigError, \"Invalid boolean expression '#{s}' for include_tag_key parameter\" if include_tag_key.nil?\n\n          @include_tag_key = include_tag_key\n        end\n\n        @tag_key = conf['tag_key'] || 'tag' if @include_tag_key\n      end\n\n      def filter_record(tag, time, record)\n        super\n\n        record[@tag_key] = tag if @include_tag_key\n      end\n    end\n  end\nend\n","sourceCodeStart":17,"sourceCodeEnd":51,"githubUrl":"https://github.com/fluent/fluentd/blob/dd45c6e18dc7be33b5e5a0f0767bf46307ff5626/lib/fluent/compat/set_tag_key_mixin.rb#L17-L51","documentation":"Error \"Invalid boolean expression '#{s}' for include_tag_key parameter\" thrown in fluent/fluentd.","triggerScenarios":"Thrown at lib/fluent/compat/set_tag_key_mixin.rb:35 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":"dd45c6e18dc7be33b5e5a0f0767bf46307ff5626","analyzedAt":"2026-08-21T16:22:07.332Z","schemaVersion":2},"datasetVersion":"2026-08-21T18:17:14.833Z"}