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https://issues.apache.org/jira/browse/KAFKA-7134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16558028#comment-16558028
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Andras Katona commented on KAFKA-7134:
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I just realized, there are two KafkaLog4jAppender classes:
# org.apache.kafka.log4jappender.KafkaLog4jAppender - this is in kafka
repository
# org.apache.logging.log4j.core.appender.mom.kafka.KafkaAppender - in log4j
repository
The documentation is about #2. And in my opinion that one should be used
instead of #1. The appender in log4j repository is far more sophisticated.
[~venkatpotru], which appender is this issue about?
> KafkaLog4jAppender - Appender exceptions are propagated to caller
> -----------------------------------------------------------------
>
> Key: KAFKA-7134
> URL: https://issues.apache.org/jira/browse/KAFKA-7134
> Project: Kafka
> Issue Type: Bug
> Components: clients
> Reporter: venkata praveen
> Assignee: Andras Katona
> Priority: Major
>
> KafkaLog4jAppender exceptions are propagated to caller when Kafka is
> down/slow/other, it may cause the application crash. Ideally appender should
> print and ignore the exception
> or should provide option to ignore/throw the exceptions like
> 'ignoreExceptions' property of
> https://logging.apache.org/log4j/2.x/manual/appenders.html#KafkaAppender
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