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https://issues.apache.org/jira/browse/FLINK-22407?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chesnay Schepler updated FLINK-22407:
-------------------------------------
Summary: Bump log4j to 2.14.2 (was: Bump log4j to 2.13.2)
> Bump log4j to 2.14.2
> --------------------
>
> Key: FLINK-22407
> URL: https://issues.apache.org/jira/browse/FLINK-22407
> Project: Flink
> Issue Type: Improvement
> Reporter: Svend Vanderveken
> Assignee: Chesnay Schepler
> Priority: Major
>
> Flink is currently [relying on log4j
> 2.12.1|https://github.com/apache/flink/blob/master/pom.xml#L110]
> .Unfortunately, this vesrion has a bug related to json layout that prevents a
> user from adding additional log fields, as reported here
> https://issues.apache.org/jira/browse/LOG4J2-2652 as well as here:
> [https://stackoverflow.com/questions/57003440/why-is-log4j2-jsonlayout-keyvaluepair-printing-empty-logevent-messages]
> The problem is fixed in Log4j 2.13.1.
> Is there a good reason to keep Log4j 2.12.1, or can we upgrade?
> As an illustration, the presence of {{additional1}} in the snippet below:
> {code:java}
> rootLogger.level = INFO
> rootLogger.appenderRef.console.ref = LogConsole
> appender.console.name = LogConsole
> appender.console.type = CONSOLE
> appender.console.layout.type = JsonLayout
> appender.console.layout.complete = false
> appender.console.layout.compact = true
> appender.console.layout.eventEol = true
> appender.console.layout.properties = true
> appender.console.layout.includeStacktrace=true
> appender.console.layout.stacktraceAsString=true
> appender.console.layout.additional1.type=KeyValuePair
> appender.console.layout.additional1.key=timestamp
> appender.console.layout.additional1.value=$${date:yyyy-MM-dd'T'HH:mm:ss.SSSZ}
> {code}
>
> leads to missing fields in the resulting logs, e.g.:
> {code:java}
> {"logEvent":"Recover all persisted job
> graphs.","timestamp":"2021-04-21T16:50:31.722+0000"}
> {"logEvent":"Successfully recovered 0 persisted job
> graphs.","timestamp":"2021-04-21T16:50:31.723+0000"}
> {"logEvent":"Starting the
> SlotManager.","timestamp":"2021-04-21T16:50:31.732+0000"}
> {"logEvent":"Starting RPC endpoint for
> org.apache.flink.runtime.dispatcher.StandaloneDispatcher at
> akka://flink/user/rpc/dispatcher_1
> .","timestamp":"2021-04-21T16:50:31.822+0000"}
> {code}
>
> Removing the {{additional1}} resolves the issue and yield json logs
> containing all expected fields:
> {code:java}
> {"thread":"cluster-io-thread-1","level":"INFO","loggerName":"org.apache.flink.runtime.dispatcher.runner.SessionDispatcherLeaderProcess","message":"Successfully
> recovered 0 persisted job
> graphs.","endOfBatch":false,"loggerFqcn":"org.apache.logging.slf4j.Log4jLogger","instant":{"epochSecond":1619080838,"nanoOfSecond":216868000},"threadId":48,"contextMap":{},"threadPriority":5}
> {"thread":"flink-akka.actor.default-dispatcher-3","level":"INFO","loggerName":"org.apache.flink.runtime.resourcemanager.slotmanager.SlotManagerImpl","message":"Starting
> the
> SlotManager.","endOfBatch":false,"loggerFqcn":"org.apache.logging.slf4j.Log4jLogger","instant":{"epochSecond":1619080838,"nanoOfSecond":313130000},"threadId":19,"contextMap":{},"threadPriority":5}
> {"thread":"cluster-io-thread-1","level":"INFO","loggerName":"org.apache.flink.runtime.rpc.akka.AkkaRpcService","message":"Starting
> RPC endpoint for org.apache.flink.runtime.dispatcher.StandaloneDispatcher at
> akka://flink/user/rpc/dispatcher_1
> .","endOfBatch":false,"loggerFqcn":"org.apache.logging.slf4j.Log4jLogger","instant":{"epochSecond":1619080838,"nanoOfSecond":408714000},"threadId":48,"contextMap":{},"threadPriority":5}
> {code}
>
>
>
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