org.springframework.kafka.core.KafkaProducerException: Failed to send; nested exception is org.apache.kafka.common.errors.NotEnoughReplicasException: Messages are rejected since there are fewer in-sync replicas than required.
	at org.springframework.kafka.core.KafkaTemplate$1.onCompletion(KafkaTemplate.java:255)
	at org.apache.kafka.clients.producer.internals.RecordBatch.done(RecordBatch.java:113)
	at org.apache.kafka.clients.producer.internals.Sender.completeBatch(Sender.java:310)
	at org.apache.kafka.clients.producer.internals.Sender.handleProduceResponse(Sender.java:270)
	at org.apache.kafka.clients.producer.internals.Sender.access$100(Sender.java:54)
	at org.apache.kafka.clients.producer.internals.Sender$1.onComplete(Sender.java:358)
	at org.apache.kafka.clients.ClientResponse.onComplete(ClientResponse.java:96)
	at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:368)
	at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:225)
	at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:126)
	at java.lang.Thread.run(Thread.java:748)

kafka磁盘占满