大佬们好: 我这边指定EXACTLY_ONCE写kafka后,任务直接起能起来,但是从savepoint起任务总是失败,kafka-clients版本2.5.0,flink版本及相关依赖版本均为1.12.4,
异常如下: 2022-08-25 10:42:44 org.apache.kafka.common.errors.UnsupportedVersionException: Attempted to write a non-default producerId at version 0 相关代码如下: Properties properties = new Properties(); properties.put("bootstrap.servers", KafkaConstant.bootstrap_servers_01); properties.put("transaction.timeout.ms", 15 * 60 * 1000); FlinkKafkaProducer<String> statsLogV2Producer = new FlinkKafkaProducer<>( KafkaConstant.topic_01, new MyKafkaSerializationSchema(KafkaConstant.topic_01), properties , FlinkKafkaProducer.Semantic.EXACTLY_ONCE);