ErrLookup › fluent/fluentd
fluent/fluentd
Fluentd: Unified Logging Layer (project under CNCF) · Ruby · 229 source files
Analyzed at dd45c6e18d on 2026-08-21. 291 documented errors.
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
invalid_params #{key} already exists in counter | exception | warning | windows, win32-event, signals, supervisor, waitformultipleobjects, fluentd |
unknown_key `#{key}` doesn't exist in counter | exception | warning | deprecation, configuration, stdin, cli, fluentd |
| Unknown #{@kind} plugin '#{type}'. Run 'gem search -rd fluen | exception | critical | fluentd, plugin, registry, not-found, config |
| Missing '@type' parameter on <#{e.name}> directive | exception | critical | fluentd, config, match, filter, missing-parameter |
| '#{capability}' is not valid capability. Valid Capabilities | exception | error | fluentd, cli, capabilities, capng, linux |
| Input must be a map (got #{record.class}) | exception | error | fluentd, fluent-cat, cli, json, input-validation |
| exceed retry limit | exception | critical | fluentd, fluent-cat, connection, retry, tcp |
| Missing arguments | exception | error | fluentd, plugin-generator, cli, usage-error |
| Template for formatter must be a Class or callable object | exception | error | fluentd, formatter, plugin-registration, v012-compat |
| 'format' parameter is required | exception | error | fluentd, formatter, config, v012-compat, missing-parameter |
| both of utc and localtime are specified, use only one of the | exception | error | fluentd, config, timezone, conflicting-options, v012-compat |
| this plugin '#{self.class}' cannot handle arguments for <buf | exception | critical | fluentd, config, buffer, v012-compat, plugin-migration |
| this plugin '#{self.class}' allows <buffer tag> only | exception | critical | fluentd, config, buffer, v012-compat, plugin-migration |
| time_slice_format only with %Y or %m is too long | exception | critical | fluentd, config, time-slice, v012-compat, buffer |
| Template for parser must be a Class, callable object or regu | exception | error | fluentd, parser, plugin-registration, v012-compat |
| 'format' parameter is required | exception | error | |
| Invalid regexp '#{format[1..-2]}': #{$!} | exception | error | |
| Unknown format template '#{format}' | exception | error | |
| time_key (#{@time_key.inspect}) is not included in keys (#{@ | exception | error | |
| time_format parameter is ignored because time_key parameter | exception | error | |
| Invalid boolean expression '#{s}' for include_tag_key parame | exception | error | |
| Invalid boolean expression '#{s}' for include_time_key param | exception | error | |
| Type is needed | exception | error | |
| Unknown Fluentd configuration syntax: '#{syntax}' | exception | error | |
| #{message} at #{error_sample} | exception | error | |
| #{name}: #{key} must be a #{klass}, but #{opts[key].class} | exception | error | |
| #{name}: #{key} must be true or false, but #{opts[key].class | exception | error | |
| :list is valid only for :enum type, but #{type}: #{name} | exception | error | |
| :value_type is valid only for :hash and :array, but #{type}: | exception | error | |
| :symbolize_keys is valid only for :hash, but #{type}: #{name | exception | error | |
| unknown option '#{key}' for configuration parameter: #{name} | exception | error | |
| #{name}: both of block and type cannot be specified | exception | error | |
| #{name}: unknown config_argument type `#{type}' | exception | error | |
| #{name}: enum parameter requires :list of Symbols | exception | error | |
| #{name}: both of deprecated and obsoleted cannot be specifie | exception | error | |
| #{self.name}: configured_in called twice | exception | error | |
| #{self.name}: config_argument called twice | exception | error | |
| #{self.name}: default value specified twice for #{name} | exception | error | |
| #{self.name}: description specified twice for #{name} | exception | error | |
| #{name}: config_section requires block parameter | exception | error | |
| name and names are exclusive | exception | error | |
| arg is available only with name | exception | error | |
| @ss.rest | exception | error | |
| parse error at #{@fname} line #{@i} | exception | error | |
| include error at #{@fname} line #{@i}: #{e.to_s} | exception | error | |
| '#{key}' doesn't have default value | exception | error | |
| '<#{proxy.name} ARG>' section requires argument | exception | error | |
| '#{varname}' doesn't have default value | exception | error | |
| '#{name}' parameter is required but nil is specified | exception | error | |
| '#{name}' parameter is already removed: #{opts[:obsoleted]} | exception | error | |
| '#{name}' parameter is required | exception | error | |
| #{name}: init is specified, but default value of argument is | exception | error | |
| #{name}: init is specified, but there're parameters without | exception | error | |
| '<#{subproxy.name}>' sections are required | exception | error | |
| '<#{subproxy.name}>' section cannot be written twice or more | exception | error | |
| #{name}: invalid bool value: #{str} | exception | error | fluentd, config, boolean, type-conversion, strict-mode |
| invalid regexp: missing right slash: #{str} | exception | error | fluentd, config, regexp, type-conversion |
| valid options are #{list.join(',')} but got #{val} | exception | error | fluentd, config, enum, validation |
| #{name}: #{e.message} | exception | error | fluentd, config, integer, type-conversion, strict-mode |
| hash required but got #{val.inspect} | exception | error | fluentd, config, hash, type-validation |
| array required but got #{val.inspect} | exception | error | fluentd, config, array, type-validation |
| Cannot access pid file: #{pid_path} | exception | error | fluentd, daemon, pidfile, permissions, filesystem |
| pid(#{pid}) is running | exception | error | fluentd, daemon, pidfile, process-management |
| Cannot access directory for pid file: #{File.dirname(pid_pat | exception | error | fluentd, daemon, pidfile, permissions, filesystem |
| Unreloadable plugin: #{Fluent::Plugin.lookup_type_from_class | exception | error | fluentd, reload, plugin-lifecycle, config |
| Missing <match> sections in <label #{@context}> section | exception | error | fluentd, config, label, routing |
| invalid match - regex | exception | error | fluentd, match-pattern, regex, routing, config |
| Plugin '#{type}' does not support multi workers configuratio | exception | error | fluentd, multi-worker, scaling, plugin-lifecycle, config |
| can't acquire lock because FLUENTD_LOCK_DIR isn't set | exception | error | fluentd, environment, file-lock, testing, missing-env |
| buffer path is not configured. specify 'path' in <buffer> | exception | error | fluentd, buffer, file-buffer, config |
| Other '#{type_using_this_path}' plugin already use same buff | exception | error | fluentd, buffer, path-conflict, config |
| chunk keys must be tag or one field | exception | error | fluentd, buffer, file-single-buffer, chunk-keys, config |
| 2 or more chunk keys is not allowed | exception | error | fluentd, buffer, file-single-buffer, chunk-keys, config |
| buffer path is not configured. specify 'path' in <buffer> | exception | critical | fluentd, buffer, file-single, configuration, configerror |
| Other '#{type_using_this_path}' plugin already uses same buf | exception | critical | fluentd, buffer, path-conflict, variable-store, configerror |
| buffer space has too many data | exception | error | fluentd, buffer-overflow, backpressure, buffer, runtime |
| regexp#{i} does not contain 2 parameters | validation | error | fluentd, grep-filter, configuration, deprecated-syntax, configerror |
| regexp#{i} contains a duplicated key, #{key} | validation | error | fluentd, grep-filter, duplicate-key, configuration, configerror |
| exclude#{i} does not contain 2 parameters | validation | error | fluentd, grep-filter, configuration, deprecated-syntax, configerror |
| exclude#{i} contains a duplicated key, #{key} | validation | error | fluentd, grep-filter, duplicate-key, configuration, configerror |
| Duplicate key: #{e.key} | validation | error | fluentd, grep-filter, duplicate-key, configuration, migration, configerror |
| Do not specify both <regexp> and <exclude> in <and> | validation | error | fluentd, grep-filter, configuration, boolean-logic, configerror |
| Duplicate key in <and>: #{e.key} | validation | error | fluentd, grep-filter, duplicate-key, and-section, configerror |
| Do not specify both <regexp> and <exclude> in <or> | validation | error | fluentd, grep-filter, configuration, boolean-logic, configerror |
| invalid meta data | exception | error | fluentd, buffer, file-chunk, corruption, resume, msgpack |
| invalid unique_id | exception | error | fluentd, buffer, file-chunk, corruption, resume, unique-id |
| invalid created_at | exception | error | fluentd, buffer, file-chunk, corruption, resume, timestamp |
| invalid modified_at | exception | error | fluentd, buffer, file-chunk, corruption, resume, timestamp |
| can't create buffer file for #{path}. Stop creating buffer f | exception | critical | fluentd, buffer, file-chunk, fd-limit, emfile, disk-full, buffer-overflow-error |
| can't create buffer metadata for #{path}. Stop creating buff | exception | critical | fluentd, buffer, file-chunk, meta-file, disk-full, fd-limit |
| staged file chunk is empty | exception | warning | fluentd, buffer, file-chunk, resume, empty-chunk, corruption |
| staged meta file is broken. #{e.message} | exception | critical | fluentd, ruby, file-buffer, metadata-corruption, startup-failure |
| enqueued file chunk is empty | exception | critical | fluentd, ruby, file-buffer, empty-file, startup-failure |
| enqueued meta file is broken. #{e.message} | exception | critical | fluentd, ruby, file-buffer, metadata-corruption, startup-failure |
| Invalid chunk found. unique_id and key not exist: #{@path} | exception | critical | fluentd, ruby, file-buffer, path-validation, startup-failure |
| can't create buffer file for #{path}. Stop creating buffer f | exception | error | fluentd, ruby, file-descriptors, too-many-open-files, buffer-overflow |
| staged file chunk is empty | exception | critical | fluentd, ruby, file-buffer, empty-file, startup-failure |
| enqueued file chunk is empty | exception | critical | fluentd, ruby, file-buffer, empty-file, startup-failure |
| Decompressed data exceeds limit of #{limit} bytes | exception | error | fluentd, ruby, gzip, decompression, size-limit, zip-bomb |
| Duplicate key in <or>: #{e.key} | exception | error | fluentd, ruby, filter-grep, configuration, duplicate-key |
| #{@key_name} does not exist | exception | warning | fluentd, ruby, filter-parser, missing-field, per-record-error |
| parse failed #{e.message} | exception | warning | fluentd, ruby, filter-parser, parse-error, per-record-error |
| `renew_record` must be true to use `keep_keys` | exception | error | fluentd, ruby, record-transformer, configuration, param-dependency |
| empty value is specified in fields parameter | exception | error | fluentd, ruby, formatter-csv, configuration, missing-param |
| in_debug_agent: `#{@unix_path}` is not writable | exception | error | fluentd, ruby, debug-agent, permissions, unix-socket |
| 'tag' or 'tag_key' option is required on exec input | exception | error | fluentd, ruby, exec-input, configuration, missing-param |
| e.message | exception | error | fluentd, ruby, exec-input, encoding, configuration |
| resolve_hostname must be true with source_hostname_key | exception | error | |
| 'tag' parameter must not be empty | exception | error | |
| 'add_tag_prefix' parameter must not be empty | exception | error | |
| <user> sections required if user_auth enabled | exception | error | |
| <client> sections required if allow_anonymous_source disable | exception | error | |
| both of 'host' and 'network' are specified for client | exception | error | |
| Either of 'host' and 'network' must be specified for client | exception | error | |
| host '#{client.host}' cannot be resolved | exception | error | |
| network '#{client.network}' address format is invalid | exception | error | |
| both 'send_keepalive_packet' and 'deny_keepalive' cannot be | exception | error | |
| Cannot enable cors_allow_credentials without specific origin | exception | error | |
| 'add_tag_prefix' parameter must not be empty | exception | error | |
| #{ex.class}: #{ex.message} | exception | error | |
| #{i}th element of sample, #{e}, is not a hash | exception | error | |
| specify either source_address_key or include_source_host | exception | error | |
| resolve_hostname must be true with source_hostname_key | exception | error | |
| send_keepalive_packet is available for tcp/tls | exception | error | |
| <parse> section is required. | exception | error | |
| either of enable_watch_timer or enable_stat_watcher must be | exception | error | |
| cannot use glob_policy as always with the default path_delim | exception | error | |
| Missing '@type' parameter in <store> section | exception | error | fluentd, output, copy, configuration, plugin-type |
| This plugin can only be used in the <secondary> section | validation | error | fluentd, secondary-file, buffer, configuration, plugin-misuse |
| basename should not include `/` | validation | error | fluentd, secondary-file, path-validation, configuration |
| out_secondary_file: `#{@directory}` should be writable | validation | error | fluentd, secondary-file, permissions, filesystem, configuration |
| out_secondary_file: basename or directory has an incompatibl | validation | error | fluentd, secondary-file, buffer, placeholder, time-format, configuration |
| out_secondary_file: basename or directory has an incompatibl | validation | error | fluentd, secondary-file, buffer, placeholder, tag, configuration |
| out_secondary_file: basename or directory has an incompatibl | validation | error | fluentd, secondary-file, buffer, placeholder, chunk-keys, configuration |
| <buffer> section is configured, but plugin '#{self.class}' d | validation | error | fluentd, output-plugin, buffer, plugin-capability, configuration |
| secondary plugin '#{self.class}' must support buffering, but | validation | error | fluentd, output-plugin, secondary, buffer, plugin-capability, configuration |
| secondary plugin '#{self.class}' must support buffering, but | validation | error | fluentd, buffer, secondary, configuration |
| in chunk_keys: bracket notation is not allowed | validation | error | fluentd, buffer, chunk-keys, record-accessor |
| in chunk_keys: #{e.message} | validation | error | fluentd, buffer, chunk-keys, record-accessor |
| chunk_keys specification includes invalid char | validation | error | fluentd, buffer, chunk-keys, validation |
| <buffer ...> argument includes 'time', but timekey is not co | validation | error | fluentd, buffer, timekey, configuration |
| timekey should be greater than 0. current timekey: #{@timeke | validation | error | fluentd, buffer, timekey, validation |
| 'flush_interval' can't be specified when 'flush_mode' is not | validation | error | fluentd, buffer, flush-mode, configuration |
| Invalid <secondary> section for non-buffered plugin | validation | error | fluentd, secondary, buffer, configuration |
| <secondary> section cannot have <buffer> section | validation | error | fluentd, secondary, buffer, configuration |
| <secondary> section cannot have <secondary> section | validation | error | fluentd, secondary, configuration, nesting |
| Failed to setup secondary plugin in '#{conf['@type']}'. '#{s | validation | error | fluentd, secondary, plugin, compatibility |
| Parameter '#{name}: #{string}' doesn't have timestamp placeh | validation | error | fluentd, placeholder, timekey, path, configuration |
| Parameter '#{name}: #{string}' has timestamp placeholders, b | exception | error | fluentd, placeholder, timekey, path, configuration |
| Parameter '#{name}: #{string}' doesn't have timestamp placeh | exception | error | fluentd, placeholder, timekey, path, configuration |
| Parameter '#{name}: #{string}' doesn't have tag placeholder | exception | error | fluentd, placeholder, tag, path, configuration |
| Parameter '#{name}: #{string}' has tag placeholders, but chu | exception | error | fluentd, placeholder, tag, path, configuration |
| Parameter '#{name}: #{string}' doesn't have enough placehold | exception | error | fluentd, placeholder, chunk-keys, path, configuration |
| Parameter '#{name}: #{string}' has placeholders, but chunk k | exception | error | fluentd, placeholder, chunk-keys, path, configuration |
| Invalid path component detected in tag: #{metadata.tag} | exception | error | fluentd, path-traversal, tag, security, runtime |
| Invalid path component detected in #{matched}: #{replace} | exception | critical | fluentd, buffer, path-traversal, unrecoverable-error, output-plugin |
| Invalid path component detected, replaced to: #{rvalue} | exception | critical | fluentd, buffer, path-traversal, unrecoverable-error, output-plugin |
| tag must be a String: #{tag.class} | exception | error | fluentd, output-plugin, argument-validation, buffer |
| time must be a Fluent::EventTime (or Integer): #{time.class} | exception | error | fluentd, output-plugin, argument-validation, eventtime |
| record must be a Hash: #{record.class} | exception | error | fluentd, output-plugin, argument-validation, record-format |
| Implement this method in child class | exception | error | fluentd, parser-plugin, not-implemented, plugin-development |
| Unknown feature for parser plugin: #{feature} | exception | error | fluentd, parser-plugin, argument-validation, feature-detection |
| Optional API #parse_io is not implemented | exception | error | fluentd, parser-plugin, not-implemented, optional-api, io-streaming |
| Optional API #parse_partial_data is not implemented | exception | error | fluentd, parser-plugin, not-implemented, optional-api, streaming |
| unknown value conversion for key:'#{field_name}', type:'#{ty | exception | error | fluentd, parser-plugin, config-error, type-conversion |
| Invalid regexp '#{formats}': #{e} | exception | error | fluentd, multiline-parser, config-error, regex |
| Jump of format index found. format#{i - 1} is missing. | exception | error | fluentd, multiline-parser, config-error, format-index |
| Invalid formatN found. N should be 1 - #{FORMAT_MAX_NUM}: #{ | exception | error | fluentd, multiline-parser, config-error, format-range |
| Invalid regexp in #{key}: #{e} | exception | error | fluentd, multiline-parser, config-error, regex |
| format should be Regexp, need //, in #{key}: '#{format}' | exception | error | fluentd, multiline-parser, config-error, regex-syntax |
| No named captures in 'expression' parameter. The regexp must | exception | error | fluentd, regexp-parser, config-error, named-captures |
| sd_file: path=#{@path} not found | exception | error | fluentd, service-discovery, config-error, file-not-found |
| sd_file: path=#{@path} couldn't open #{e} | exception | error | fluentd, service-discovery, config-error, file-permissions, encoding |
| #{e}. Service must have `host` and `port` | exception | error | fluentd, service-discovery, config-error, missing-field |
| key must be a string (or symbol for to_s) | exception | error | fluentd, storage, argument-validation, plugin-development |
| Implement this method in child class | exception | error | fluentd, storage, not-implemented, abstract-method, plugin-development |
| Plugin @id or path for <storage> required when 'persistent' | exception | error | fluentd, storage, config-error, persistence, plugin-id, startup |
| Plugin storage path '#{@path}' is not readable/writable | exception | error | fluentd, storage, permissions, filesystem, config-error, startup |
| Invalid contents (not object) in plugin storage file: '#{@pa | exception | error | fluentd, storage, json, config-error, data-corruption, startup |
| Unexpected error: failed to read data from plugin storage fi | exception | error | fluentd, storage, json, io-error, data-corruption, config-error, startup |
| Directory is not writable for plugin storage file '#{@path}' | exception | error | fluentd, storage, permissions, filesystem, config-error, startup |
| Cannot enable FIPS compliant mode. OpenSSL FIPS configuratio | exception | error | fluentd, tls, openssl, fips, security, config-error, startup |
| private_key_path is required when cert_path is specified | exception | error | fluentd, tls, certificate, private-key, config-error, startup |
| ca_private_key_path is required when ca_cert_path is specifi | exception | error | fluentd, tls, certificate, certificate-authority, private-key, config-error, startup |
| no valid cert options configured. specify either 'cert_path' | exception | error | fluentd, tls, certificate, config-error, startup, server |
| cert_path does not contain a valid certificate | exception | error | fluentd, tls, certificate, pem, config-error, startup |
| time_slice_format only with %Y or %m is too long | exception | error | fluentd, buffer, compat, v012-migration, time-slice, config-error, startup |
| both of utc and localtime are specified, use only one of the | exception | error | fluentd, buffer, compat, v012-migration, timezone, config-error, startup |
| <counter_client> is required in <system> | exception | error | fluentd, configuration, counter, metrics, plugin-helper |
| @type is required in <format> | exception | error | fluentd, formatter, configuration, plugin-helper |
| duplicated formatter configured: #{section.usage} | exception | error | fluentd, formatter, configuration, duplicate |
| the key specified by 'hostname_key' in <inject> cannot be us | exception | error | fluentd, inject, buffer, configuration, hostname |
| @type is required in <parse> | exception | error | fluentd, parser, configuration, plugin-helper |
| duplicated parsers configured: #{section.usage} | exception | error | fluentd, parser, configuration, duplicate |
| empty keys in dot notation | exception | error | fluentd, record-accessor, dot-notation, configuration |
| whitespace character is not allowed in dot notation. Use bra | exception | error | fluentd, record-accessor, dot-notation, whitespace |
| missing array index in '[]'. Invalid syntax: #{param} | exception | error | fluentd, record-accessor, array-index, dot-notation |
| '[' found but ']' not found. Invalid syntax: #{param} | exception | error | fluentd, record-accessor, dot-notation, syntax |
| found more characters after ']'. Invalid syntax: #{param} | exception | error | fluentd, record-accessor, dot-notation, syntax |
| Mismatched quotes. Invalid syntax: #{orig_param} | exception | error | fluentd, record-accessor, bracket-notation, quoting |
| Incomplete bracket. Invalid syntax: #{orig_param} | exception | error | fluentd, record-accessor, bracket-notation, syntax |
| '[' found but ']' not found. Invalid syntax: #{orig_param} | exception | error | fluentd, record-accessor, bracket-notation, syntax |
| found more characters after ']'. Invalid syntax: #{orig_para | exception | error | fluentd, record-accessor, bracket-notation, syntax |
| empty keys in bracket notation | exception | error | fluentd, record-accessor, bracket-notation, syntax |
| BUG: invalid protocol name | exception | error | fluentd, server, protocol, argument-error, plugin-helper |
| BUG: cannot create connection for UDP | exception | error | fluentd, server, udp, argument-error, plugin-helper |
| BUG: tls_options is available only for tls | exception | error | fluentd, server, tls, argument-error, plugin-helper |
| BUG: block not specified which handles connection | exception | error | |
| BUG: block must have just one argument | exception | error | |
| BUG: TLS transport specified, but certification options are | exception | error | |
| BUG: title must be a symbol | exception | error | |
| BUG: port must be an integer | exception | error | |
| BUG: socket option is available only for udp | exception | error | |
| BUG: block not specified which handles received data | exception | error | |
| BUG: block must have 1 or 2 arguments | exception | error | |
| BUG: backlog is available for tcp/tls | exception | error | |
| BUG: max_bytes is available only for udp | exception | error | |
| BUG: flags is available only for udp | exception | error | |
| BUG: max_bytes must be specified for UDP | exception | error | |
| socket must be a UDPSocket: sock = #{sock} | exception | error | |
| invalid protocol: #{proto} | exception | error | |
| BUG: failed to verify certification and to handle it correct | exception | error | |
| cert_path does not contain a valid certificate | exception | error | |
| BUG: resolve_name in available for tcp/udp/tls | exception | error | |
| BUG: linger_timeout is available for tcp/tls | exception | error | |
| BUG: send_keepalive_packet is available for tcp/tls | exception | error | |
| Argument in <storage ARG> uses invalid characters: '#{usage} | validation | error | |
| @type is required in <storage> | validation | error | |
| BUG: both type and conf are not specified | exception | error | |
| BUG: conf must be a Element, Hash (or unspecified), but '#{c | exception | error | |
| Argument in <storage ARG> uses invalid characters: '#{sectio | validation | error | |
| duplicated storages configured: #{section.usage} | validation | error | |
| BUG: title must be a symbol | exception | error | |
| BUG: callback not specified | exception | error | |
| BUG: title must be a symbol | exception | error | |
| BUG: block not specified for callback | exception | error | |
| Duplicated plugin id `#{@id}`. Check whole configuration and | validation | error | |
| Missing worker id on <worker> directive | validation | error | |
| greater first_worker_id<#{first_worker_id}> than last_worker | validation | error | |
| worker id #{target_worker_id} specified by <worker> directiv | exception | error | |
| specified worker_id<#{worker_id}> collisions is detected on | exception | error | |
| <worker> section cannot have <#{elem.name}> directive | exception | error | |
| Missing symbol argument on <label> directive | exception | error | |
| @ROOT for <label> is not permitted, reserved for getting roo | exception | error | |
| Missing '@type' parameter on <source> directive | exception | error | |
| Section <label #{name}> appears twice | exception | error | |
| #{label_name} label not found | exception | error | |
| Invalid rpc_endpoint: #{endpoint} | exception | error | |
| specified worker_id<#{id}> collisions is detected on <worker | exception | error | |
| <worker> section cannot have <#{elem.name}> directive | exception | error | |
| Missing worker id on <worker> directive | exception | error | |
| worker id should be integer: #{worker_id_str} | exception | error | |
| worker id #{l} specified by <worker> directive is not allowe | exception | error | |
| worker id #{r} specified by <worker> directive is not allowe | exception | error | |
| greater first_worker_id<#{l}> than last_worker_id<#{r}> spec | exception | error | |
| Missing symbol argument on <label> directive | exception | error | |
| Section <label #{name}> appears twice | exception | error | |
| Missing '@type' parameter on <#{e.name}> directive | exception | error | |
| invalid number of workers (must be > 0):#{@system_config.wor | exception | error | |
| with-source-only is not supported on Windows | exception | error | |
| non directory entry exists:#{root_dir} | exception | error | |
| failed to create root directory:#{root_dir}, #{e.inspect} | exception | critical | fluentd, filesystem, permissions, startup, root-dir, mkdir |
| invalid number of workers (must be 1 or unspecified) with -- | exception | error | fluentd, configuration, workers, no-supervisor, startup |
| <system> is duplicated. <system> should be only one | exception | error | fluentd, configuration, system-config, duplicate, startup |
| both of utc and localtime are specified, use only one of the | exception | error | fluentd, configuration, time, utc, localtime, parser |
| time_type is :mixed but time_format and time_format_fallback | exception | error | fluentd, configuration, time, mixed-parser, time-format, startup |
| specifying timezone requires time format | exception | error | fluentd, configuration, time, timezone, parser, startup |
| value must be string: #{value} | exception | error | fluentd, time, parser, type-error, runtime |
| invalid time format: value = #{value}, error_class = #{e.cla | exception | error | fluentd, time, parser, time-format, runtime |
| value must be a string or a number: #{value}(#{value.class}) | exception | error | fluentd, time, parser, unixtime, type-error, runtime |
| invalid time format: value = #{value}, even though fallbacks | exception | error | fluentd, time, mixed-parser, time-format, runtime |
| Unsupported timezone '#{timezone}' | exception | error | fluentd, timezone, configuration, validation, startup |
| When you set max_version, must set min_version together | exception | error | fluentd, tls, ssl, configuration, startup |
| When you set min_version, must set max_version together | exception | error | fluentd, tls, ssl, configuration, startup |
| failed to flush the buffer with secondary output. | console | warning | fluentd, buffer, retry, secondary-output, logging, runtime |
| failed to flush the buffer. | console | error | buffering, retry, output-plugin, data-loss-risk |
| Ruby DSL configuration format is deprecated. Please use orig | console | warning | configuration, deprecation, ruby-dsl |
| Receiving missing id data: #{data} | console | warning | counter, rpc, request-id, message-mismatch |
| Deprecated method: this method is going to be deleted. Use F | console | warning | deprecation, plugin-api, engine |
| Unknown severity: #{severity} | console | warning | logging, log-level, console-adapter |
| Deprecated method: this method is going to be deleted. Use F | console | warning | deprecation, msgpack, serialization, plugin-api |
| Deprecated method: this method is going to be deleted. Use F | console | warning | deprecation, msgpack, serialization, plugin-api |
| Deprecated method: this method is going to be deleted. Use F | console | warning | deprecation, msgpack, serialization, plugin-api |
| this method is deprecated. Use #http_server_create_http_serv | console | warning | deprecation, http-server, plugin-helper |
| There is no discovery_manager. skip start them | console | warning | service-discovery, plugin-helper, configuration |
| BUG: #{msg} | console | error | service-discovery, internal-bug, invariant, plugin-api |
| Not found service: name=#{service.name} #{service.host}:#{se | console | warning | service-discovery, event-ordering, deregistration |
| Unexpected return value of Win32::Ipc#wait_any: #{ipc_idx} | console | error | |
| the value "-" for `inline_config` is deprecated. See https:/ | console | error | |
| Recommend adding #{File.dirname(element['pos_file'])} to the | console | error | |
| Recommend adding #{File.dirname(storage['path'])} to the exc | console | error |