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https://issues.apache.org/jira/browse/KAFKA-15783?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Diego Pettisani resolved KAFKA-15783.
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Resolution: Not A Problem
> Unable to set batchSize in log4j2 Kafka appender
> ------------------------------------------------
>
> Key: KAFKA-15783
> URL: https://issues.apache.org/jira/browse/KAFKA-15783
> Project: Kafka
> Issue Type: Bug
> Components: logging
> Affects Versions: 3.6.0
> Reporter: Diego Pettisani
> Priority: Minor
>
> When I try to configure the batchSize of the Kafka log4j2 appender the
> application logs the following error:
> {noformat}
> ERROR StatusConsoleListener Kafka contains an invalid element or attribute
> "batchSize"
> {noformat}
> This is an example of configuration that fails:
> {code:xml}
> <?xml version="1.0" encoding="UTF-8"?>
> <Configuration status="WARN">
> <Appenders>
> <Console name="LogToConsole" target="SYSTEM_OUT">
> <PatternLayout
> pattern="%d{HH:mm:ss.SSS} [%t] %-5level
> %logger{36} - %msg%n" />
> </Console>
> <Kafka name="Kafka" topic="log-collector" syncSend="false"
> batchSize="8192">
> <PatternLayout
> pattern="%d{HH:mm:ss.SSS} [%t] %-5level
> %logger{36} - %msg%n" />
> <Property
> name="bootstrap.servers">localhost:9092</Property>
> </Kafka>
> </Appenders>
> <Loggers>
> <Root level="info">
> <AppenderRef ref="LogToConsole" />
> <AppenderRef ref="Kafka" />
> </Root>
> <Logger name="org.apache.kafka" level="WARN" /><!-- avoid
> recursive
> logging -->
> </Loggers>
> </Configuration>
> {code}
> Please note that other parameters like {{syncSend}} work fine.
> Could be possible that log4j2 expects this field:
> https://github.com/apache/kafka/blob/3.6.0/log4j-appender/src/main/java/org/apache/kafka/log4jappender/KafkaLog4jAppender.java#L83C11-L83C11
> as a String for working fine?
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