我正在使用带有Kafka活页夹和Avro的Spring Cloud Stream版本2.2.0。显然，一个不正确的记录已发布到Kafka主题之一，在这里它导致所有使用者返回反序列化错误并进行某种无限重试。
Error deserializing key/value for partition realtime-object-1 at offset 908. If needed, please seek past the record to continue consumption. Caused by: org.apache.kafka.common.errors.SerializationException: Error deserializing Avro message for id 13 Caused by: org.apache.kafka.common.errors.SerializationException: Could not find class au.com.brolly.avro.model.GenericTaskTriggerCapsule specified in writer's schema whilst finding reader's schema for a SpecificRecord.
从技术上讲，应该有一种方法可以指定反序列化例外的策略。我可以找到一些different policies，例如logAndContinue和sendToDlq，但它们是用于Kafka流的，我没有在应用程序中使用它们。如果有人可以帮助我了解我在这里缺少的内容，我将不胜感激。
请参见spring-kafka documentation。
使用ErrorHandlingDeserializer2包裹Avro解串器。异常将发送到错误处理程序（默认情况下，该错误处理程序仅记录错误）。
您可以使用ListenerContainerCustomizer bean添加SeekToCurrentErrorHandler（可选地与DeadLetterPublishingRecoverer一起发送，以将反序列化失败的记录发送到另一个主题。
编辑
这里是使用Spring Cloud Stream配置它的示例...
@SpringBootApplication
@EnableBinding(Sink.class)
public class So60827393Application {
public static void main(String[] args) {
SpringApplication.run(So60827393Application.class, args);
}
@StreamListener(Sink.INPUT)
public void listen(String in) {
}
@Bean
public ApplicationRunner runner(KafkaTemplate<byte[], byte[]> template) {
return args -> template.send("foo", "foo".getBytes());
}
}
public class MyBadDeserializer implements Deserializer {
@Override
public Object deserialize(String topic, byte[] data) {
throw new RuntimeException("Always fails");
}
}
spring.cloud.stream.bindings.input.destination=foo
spring.cloud.stream.bindings.input.group=foo
spring.cloud.stream.bindings.input.consumer.use-native-decoding=true
spring.cloud.stream.kafka.bindings.input.consumer.configuration.value.deserializer=org.springframework.kafka.support.serializer.ErrorHandlingDeserializer2
spring.cloud.stream.kafka.bindings.input.consumer.configuration.spring.deserializer.value.delegate.class=com.example.demo.MyBadDeserializer
像以前一样将任何其他属性（例如架构注册表URL）添加到配置中（EHD2将其配置为委托反序列化器。）>
2020-03-24 18:18:35.633 ERROR 61822 --- [container-0-C-1] o.s.kafka.listener.LoggingErrorHandler : Error while processing: ConsumerRecord(topic = foo, partition = 0, leaderEpoch = 0, offset = 0, CreateTime = 1585088312600, serialized key size = -1, serialized value size = 3, headers = RecordHeaders(headers = [RecordHeader(key = springDeserializerExceptionValue, value = [-84, -19, 0, 5, 115, 114, 0, 69, 111, 114, 103, 46, 115, 112, 114, 105, 110, 103, 102, 114, 97, 109, 101, 119, 111, 114, 107, 46, 107, 97, 102, 107, 97, 46, 115, 117, 112, 112, 111, 114, 116, 46, 115, 101, 114, 105, 97, 108, 105, 122, 101, 114, 46, 68, 101, 115, 101, 114, 105, 97, 108, 105, 122, 97, 116, 105, 111, 110, 69, 120, 99, 101, 112, 116, 105, 111, 110, -26, -50, 105, 87, -16, 47, -111, -25, 2, 0, 2, 90, 0, 5, 105, 115, 75, 101, 121, 91, 0, 4, 100, 97, 116, 97, 116, 0, 2, 91, 66, 120, 114, 0, 40, 111, 114, 103, 46, 115, 112, 114, 105, 110, 103, 102, 114, 97, 109, 101, 119, 111, 114, 107, 46, 107, 97, 102, 107, 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126, 0, 51, 115, 113, 0, 126, 0, 16, 0, 0, 3, -34, 113, 0, 126, 0, 49, 113, 0, 126, 0, 50, 113, 0, 126, 0, 53, 115, 113, 0, 126, 0, 16, 0, 0, 3, -97, 113, 0, 126, 0, 49, 113, 0, 126, 0, 50, 113, 0, 126, 0, 55, 115, 113, 0, 126, 0, 16, 0, 0, 1, -1, 113, 0, 126, 0, 57, 113, 0, 126, 0, 58, 113, 0, 126, 0, 59, 115, 113, 0, 126, 0, 16, 0, 0, 1, 10, 113, 0, 126, 0, 61, 113, 0, 126, 0, 62, 113, 0, 126, 0, 55, 115, 113, 0, 126, 0, 16, 0, 0, 2, -20, 113, 0, 126, 0, 64, 113, 0, 126, 0, 65, 113, 0, 126, 0, 55, 113, 0, 126, 0, 69, 120, 0, 117, 114, 0, 2, 91, 66, -84, -13, 23, -8, 6, 8, 84, -32, 2, 0, 0, 120, 112, 0, 0, 0, 3, 102, 111, 111])], isReadOnly = false), key = null, value = null)
org.springframework.kafka.listener.ListenerExecutionFailedException: Listener failed; nested exception is org.springframework.kafka.support.serializer.DeserializationException: failed to deserialize; nested exception is java.lang.RuntimeException: Always fails
at org.springframework.kafka.listener.KafkaMessageListenerContainer$ListenerConsumer.decorateException(KafkaMessageListenerContainer.java:1777) [spring-kafka-2.3.6.RELEASE.jar:2.3.6.RELEASE]
at org.springframework.kafka.listener.KafkaMessageListenerContainer$ListenerConsumer.invokeErrorHandler(KafkaMessageListenerContainer.java:1766) [spring-kafka-2.3.6.RELEASE.jar:2.3.6.RELEASE]
at org.springframework.kafka.listener.KafkaMessageListenerContainer$ListenerConsumer.doInvokeRecordListener(KafkaMessageListenerContainer.java:1679) [spring-kafka-2.3.6.RELEASE.jar:2.3.6.RELEASE]
at org.springframework.kafka.listener.KafkaMessageListenerContainer$ListenerConsumer.doInvokeWithRecords(KafkaMessageListenerContainer.java:1605) [spring-kafka-2.3.6.RELEASE.jar:2.3.6.RELEASE]
at org.springframework.kafka.listener.KafkaMessageListenerContainer$ListenerConsumer.invokeRecordListener(KafkaMessageListenerContainer.java:1510) [spring-kafka-2.3.6.RELEASE.jar:2.3.6.RELEASE]
at org.springframework.kafka.listener.KafkaMessageListenerContainer$ListenerConsumer.invokeListener(KafkaMessageListenerContainer.java:1257) [spring-kafka-2.3.6.RELEASE.jar:2.3.6.RELEASE]
at org.springframework.kafka.listener.KafkaMessageListenerContainer$ListenerConsumer.pollAndInvoke(KafkaMessageListenerContainer.java:1007) [spring-kafka-2.3.6.RELEASE.jar:2.3.6.RELEASE]
at org.springframework.kafka.listener.KafkaMessageListenerContainer$ListenerConsumer.run(KafkaMessageListenerContainer.java:927) [spring-kafka-2.3.6.RELEASE.jar:2.3.6.RELEASE]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_212]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_212]
at java.lang.Thread.run(Thread.java:748) [na:1.8.0_212]
Caused by: org.springframework.kafka.support.serializer.DeserializationException: failed to deserialize; nested exception is java.lang.RuntimeException: Always fails
at org.springframework.kafka.support.serializer.ErrorHandlingDeserializer2.deserializationException(ErrorHandlingDeserializer2.java:228) ~[spring-kafka-2.3.6.RELEASE.jar:2.3.6.RELEASE]
at org.springframework.kafka.support.serializer.ErrorHandlingDeserializer2.deserialize(ErrorHandlingDeserializer2.java:203) ~[spring-kafka-2.3.6.RELEASE.jar:2.3.6.RELEASE]
at org.apache.kafka.clients.consumer.internals.Fetcher.parseRecord(Fetcher.java:1268) ~[kafka-clients-2.3.1.jar:na]
at org.apache.kafka.clients.consumer.internals.Fetcher.access$3600(Fetcher.java:124) ~[kafka-clients-2.3.1.jar:na]
at org.apache.kafka.clients.consumer.internals.Fetcher$PartitionRecords.fetchRecords(Fetcher.java:1492) ~[kafka-clients-2.3.1.jar:na]
at org.apache.kafka.clients.consumer.internals.Fetcher$PartitionRecords.access$1600(Fetcher.java:1332) ~[kafka-clients-2.3.1.jar:na]
at org.apache.kafka.clients.consumer.internals.Fetcher.fetchRecords(Fetcher.java:645) ~[kafka-clients-2.3.1.jar:na]
at org.apache.kafka.clients.consumer.internals.Fetcher.fetchedRecords(Fetcher.java:606) ~[kafka-clients-2.3.1.jar:na]
at org.apache.kafka.clients.consumer.KafkaConsumer.pollForFetches(KafkaConsumer.java:1294) ~[kafka-clients-2.3.1.jar:na]
at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:1225) ~[kafka-clients-2.3.1.jar:na]
at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:1201) ~[kafka-clients-2.3.1.jar:na]
at org.springframework.kafka.listener.KafkaMessageListenerContainer$ListenerConsumer.doPoll(KafkaMessageListenerContainer.java:1034) [spring-kafka-2.3.6.RELEASE.jar:2.3.6.RELEASE]
at org.springframework.kafka.listener.KafkaMessageListenerContainer$ListenerConsumer.pollAndInvoke(KafkaMessageListenerContainer.java:990) [spring-kafka-2.3.6.RELEASE.jar:2.3.6.RELEASE]
... 4 common frames omitted
Caused by: java.lang.RuntimeException: Always fails
at com.example.demo.MyBadDeserializer.deserialize(MyBadDeserializer.java:31) ~[classes/:na]
at org.apache.kafka.common.serialization.Deserializer.deserialize(Deserializer.java:60) ~[kafka-clients-2.3.1.jar:na]
at org.springframework.kafka.support.serializer.ErrorHandlingDeserializer2.deserialize(ErrorHandlingDeserializer2.java:200) ~[spring-kafka-2.3.6.RELEASE.jar:2.3.6.RELEASE]
... 15 common frames omitted