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Yang Yu 编辑于
When a log entry is appended to a Kafka topic using KafkaLog4jAppender, the producer.send operation
may hit a deadlock if the producer network thread also tries to append a log at the same log level.
This issue is triggered when idempotence is enabled for the KafkaLog4jAppender and the producer
tries to acquire the TransactionManager lock.

This is a temporary workaround to avoid deadlocks by disabling idempotence explicitly in
KafkaLog4jAppender.

Reviewers: Luke Chen <showuon@gmail.com>, Ismael Juma <ismael@juma.me.uk>
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