我有一个kafka监听器,它正确地接收数据,但EventData ss = consumerRecord.value()提供ClassCastException。consumerRecord.value()); }Caused by: java.lang.ClassCastException: java.lang.String cannot be cast to com.betstars.betsyncadapter.
MethodArgumentResolutionException.class, ClassCastException.class(ProducerFactory.java:120)
at org.springframework.kafka.listener.DeadLetterPublishingRecoverer.determineSendTimeout(DeadLetterPublishingRecoverer.java:628)
Message to channel 'my.message.destination.my.message.group.errors'; nested exception is java.lang.ClassCastExceptionat org.springframework.kafka.listener.KafkaMessageListenerContainer$ListenerConsumer.invokeRecordListenerat org.springframework.kafka.<em
我正尝试在一个非常简单的项目中使用Spring Kafak,但是当我收到一个字符串消息时,我得到了一个错误。: Listener failed; nested exception is org.springframework.kafka.KafkaException: No method found for(KafkaMessageListenerContainer.java:1790) [spring-kafka-2.3.7.RELEASE.jar:2.3.7.RELEASE]
at org.springfram
但是当我运行它时,当使用kafka模板发送请求时,它会给org.apache.kafka.common.errors.SerializationException: Can't convert keyof class java.lang.Integer to class org.apache.kafka.common.serialization.StringSerializer specifiedpartitions = 1)class KafkaApplicationTests {
@
specified in Caused by: java.lang.ClassCastException: class java.lang.String cannot(Serializer.java:62) ~[kafka-clients-2.3.1.jar:na]at org.springframework.kafka.core.KafkaTemplate.