org.apache.kafka.common.errors.UnknownTopicOrPartitionException：此服務器未托管此主題分區

Question

我使用java將一個json object發送到kafka，最初它為我工作了2天，現在出現以下exception

Exception in thread "main" java.util.concurrent.ExecutionException: org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does not host this topic-partition.
    at org.apache.kafka.clients.producer.internals.FutureRecordMetadata.valueOrError(FutureRecordMetadata.java:65)
    at org.apache.kafka.clients.producer.internals.FutureRecordMetadata.get(FutureRecordMetadata.java:52)
    at org.apache.kafka.clients.producer.internals.FutureRecordMetadata.get(FutureRecordMetadata.java:25)
    at dummy.DummySyntheticManifestProducer.main(DummySyntheticManifestProducer.java:164)
 Caused by: org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does not host this topic-partition.

Answer 1

在生產者設置中設置retries屬性。 還需要將屬性max.in.flight.requests.per.connection設置為1