{"record":{"id":"d496a839149f049e","repo":"fluent/fluentd","slug":"specify-either-source-address-key-or-include-sourc","errorCode":null,"errorMessage":"specify either source_address_key or include_source_host","messagePattern":"specify either source_address_key or include_source_host","errorType":"exception","errorClass":"Fluent::ConfigError","httpStatus":null,"severity":"error","filePath":"lib/fluent/plugin/in_syslog.rb","lineNumber":135,"sourceCode":"    end\n\n    def configure(conf)\n      compat_parameters_convert(conf, :parser)\n\n      super\n\n      if conf.has_key?('priority_key')\n        log.warn \"priority_key is deprecated. Use severity_key instead\"\n      end\n\n      @use_default = false\n\n      @parser = parser_create\n      @parser_parse_priority = @parser.respond_to?(:with_priority) && @parser.with_priority\n\n      if @include_source_host\n        if @source_address_key\n          raise Fluent::ConfigError, \"specify either source_address_key or include_source_host\"\n        end\n        @source_address_key = @source_host_key\n      end\n      if @source_hostname_key\n        if @resolve_hostname.nil?\n          @resolve_hostname = true\n        elsif !@resolve_hostname # user specifies \"false\" in config\n          raise Fluent::ConfigError, \"resolve_hostname must be true with source_hostname_key\"\n        end\n      end\n\n      @_event_loop_run_timeout = @blocking_timeout\n\n      protocol = @protocol_type || @transport_config.protocol\n      if @send_keepalive_packet && protocol == :udp\n        raise Fluent::ConfigError, \"send_keepalive_packet is available for tcp/tls\"\n      end\n    end","sourceCodeStart":117,"sourceCodeEnd":153,"githubUrl":"https://github.com/fluent/fluentd/blob/dd45c6e18dc7be33b5e5a0f0767bf46307ff5626/lib/fluent/plugin/in_syslog.rb#L117-L153","documentation":"Error \"specify either source_address_key or include_source_host\" thrown in fluent/fluentd.","triggerScenarios":"Thrown at lib/fluent/plugin/in_syslog.rb:135 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"}