fix(NA): MaxListenersExceededWarning on getLoggerStream #57133
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…h for getLoggerStream
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@elasticmachine merge upstream |
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…bana into fix-log-reporter-max-listeners
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* fix(NA): possible EventEmitter memory leak detected with a passthrough for getLoggerStream * chore(na): remove passthrough Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
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* fix(NA): possible EventEmitter memory leak detected with a passthrough for getLoggerStream * chore(na): remove passthrough Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
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* master: (34 commits) [Index management] Server-side NP ready (elastic#56829) Webhook action - make user and password secrets optional (elastic#56823) [DOCS] Removes reference to IRC (elastic#57245) [Monitoring] NP migration: Local angular module (elastic#51823) [SIEM] Adds ECS link to help menu (elastic#57104) Ensure http interceptors are shares across lifecycle methods (elastic#57150) [Remote clusters] Migrate server code out of legacy (elastic#56781) fixes render bug in alert list (elastic#57152) siem 7.6 updates (elastic#57169) Make the update alert API key API work when AAD is out of sync (elastic#56640) fix(NA): MaxListenersExceededWarning on getLoggerStream (elastic#57133) [Metrics UI] Setup commonly used time ranges in timepicker (elastic#56701) [Maps] set filter.meta.key to geoFieldName so query passes filterMatchesIndex when ignoreFilterIfFieldNotInIndex is true (elastic#56692) Create plugin mock for event log plugin (elastic#57048) fix ts error on master (elastic#57236) Don't create API key for disabled alerts when calling create API (elastic#57041) Fix enable and disable API to still work when AAD is out of sync (elastic#56634) [DOCS] Canvas embed objects (elastic#57156) Delete autocomplete namespace (elastic#57187) Security - Inject logout url (elastic#57201) ...
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That solves a recent warning we have been experiencing, since #55937 was merged, every time we start the server.
We just hit the default max listeners value for
process.stdoutdue to the way thelegacy loggerworks. That sets a new hard limit.MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 error listeners added. Use emitter.setMaxListeners() to increase limit at _addListener (events.js:256:17) at WriteStream.prependListener (events.js:279:14) at prependListener (_stream_readable.js:56:20) at KbnLoggerStringFormat.pipe (_stream_readable.js:738:3) at getLoggerStream (/Users/nicholaspartridge/Documents/repos/kibana/src/legacy/server/logging/log_reporter.js:49:6) at loggingConfiguration (/Users/nicholaspartridge/Documents/repos/kibana/src/legacy/server/logging/configuration.js:50:24) at setupLogging (/Users/nicholaspartridge/Documents/repos/kibana/src/legacy/server/logging/index.js:28:14) at new LegacyLoggingServer (/Users/nicholaspartridge/Documents/repos/kibana/src/core/server/legacy/logging/legacy_logging_server.ts:103:5) at new LegacyAppender (/Users/nicholaspartridge/Documents/repos/kibana/src/core/server/legacy/logging/appenders/legacy_appender.ts:45:26) at Function.create (/Users/nicholaspartridge/Documents/repos/kibana/src/core/server/logging/appenders/appenders.ts:75:16) at LoggingService.upgrade (/Users/nicholaspartridge/Documents/repos/kibana/src/core/server/logging/logging_service.ts:71:49) at MapSubscriber.configService.getConfig$.pipe.config [as project] (/Users/nicholaspartridge/Documents/repos/kibana/src/core/server/root/index.ts:102:41) at MapSubscriber._next (/Users/nicholaspartridge/Documents/repos/kibana/node_modules/rxjs/src/internal/operators/map.ts:84:29) at MapSubscriber.Subscriber.next (/Users/nicholaspartridge/Documents/repos/kibana/node_modules/rxjs/src/internal/Subscriber.ts:99:12) at SwitchMapSubscriber.notifyNext (/Users/nicholaspartridge/Documents/repos/kibana/node_modules/rxjs/src/internal/operators/switchMap.ts:166:24) at InnerSubscriber._next (/Users/nicholaspartridge/Documents/repos/kibana/node_modules/rxjs/src/internal/InnerSubscriber.ts:17:17)Thanks @spalger for the discussion and the ideas around it!